Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 546
Name: Organic compounds -- part of the class 532-570 series >
Description:










Class Number Class Name No. of Patents
 

Organic compounds (class 532, subclass 1)

 
 

Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1)

 
546/1

Hetero ring is six-membered consisting of one nitrogen and five carbons

212
546/268.1

Additional hetero ring containing

695
546/281.7

Ring oxygen in the additional hetero ring

250
546/283.4

The additional hetero ring is five-membered

497
546/284.4

Chalcogen attached directly to the additional hetero ring by nonionic bonding

218
546/284.7

Nitrogen or -c(=x)-, wherein x is chalcogen, attached directly to the additional hetero ring by nonionic bonding

177
546/283.7

Plural ring oxygens in the additional hetero ring

330
546/284.1

Polycyclo ring system having the additional hetero ring as one of the cyclos

365
546/282.1

The additional hetero ring is six-membered

270
546/282.4

Plural ring oxygens in the additional hetero ring

206
546/282.7

Polycyclo ring system having the additional hetero ring as one of the cyclos

245
546/283.1

Chalcogen attached directly to the additional hetero ring by nonionic bonding

190
546/279.7

Ring sulfur in the additional hetero ring

90
546/280.4

The additional hetero ring is five-membered

708
546/281.4

Nitrigen attached directly to the six-membered hetero ring or to the additional hetero ring by nonionic bonding

256
546/280.7

Plural ring sulfurs in the additional hetero ring

65
546/281.1

Polycyclo ring system having the additional hetero ring as one of the cyclos

260
546/280.1

The additional hetero ring is six-membered

166
546/276.4

The additional hetero ring is five-membered consisting of one nitrogen and four carbons

823
546/278.4

Chalcogen attached directly to the five-membered hetero ring by nonionic bonding

337
546/278.7

Plural chalcogens attached directly to the five-membered hetero ring by nonionic bonding

150
546/279.4

Nicotine, per se, or its salts

43
546/279.1

Nitrogen or -c(=x)-, wherein x is chalcogen, attached directly to the five- membered ring by nonionic bonding

535
546/276.7

Polycyclo ring system having the five-membered hetero ring as one of the cyclos

391
546/277.4

Bicyclo ring system which is indole (including hydrogenated)

562
546/277.7

Chalcogen attached directly to the five-membered hetero ring by nonionic bonding

179
546/278.1

Having -c(=x)-, wherein x is chalcogen, bonded directly to the five- membered hetero ring

182
546/277.1

Bicyclo ring system which is isoindole (including hydrogenated)

239
546/268.4

The additional hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen

509
546/272.4

1,2,4-triazoles (including hydrogenated)

533
546/275.4

1,2-diazoles (including hydrogenated)

701
546/276.1

Chalcogen attached directly to the 1,2-diazole ring by nonionic bonding

253
546/275.7

Polycyclo ring system having the 1,2-diazole ring as one of the cyclos

223
546/272.1

1,2-oxazoles (including hydrogenated)

450
546/271.1

1,2-thiazoles (including hydrogenated)

284
546/272.7

1,3-diazoles (including hydrogenated)

425
546/274.4

Chalcogen attached directly to the 1,3-diazole ring by nonionic bonding

258
546/275.1

Chalcogen attached indirectly to the 1,3-diazole ring by acyclic nonionic bonding

334
546/274.7

Nitrogen or -c(=x)-, wherein x is chalcogen, attached directly to the 1,3-diazole diazole ring by nonionic bonding

235
546/273.1

Polycyclo ring system having the 1,3-diazole ring as one of the cyclos

140
546/273.4

Bicyclo ring system which is benzimidazole (including hydrogenated)

401
546/273.7

Chalcogen bonded directly to a ring carbon of the 1,3-diazole ring

334
546/274.1

The 1,3-diazole ring is bonded directly to the six-membered hetero ring

346
546/271.4

1,3-oxazoles (including hydrogenated)

682
546/271.7

Polycyclo ring system having the 1,3-oxazole ring as one of the cyclos

279
546/269.7

1,3-thiazoles (including hydrogenated)

703
546/270.4

1,3-thiazole ring bonded directly to the six-membered hetero ring

309
546/270.7

Nitrogen attached directly to the 1,3-thiazole ring by nonionic bonding

257
546/270.1

Polycyclo ring system having the 1,3-thiazole ring as one of the cyclos

373
546/269.1

Oxadiazoles (including hydrogenated)

275
546/269.4

Oxadiazole ring bonded directly to the six-membered hetero ring

162
546/268.7

Thiadiazoles (including hydrogenated)

401
546/13

Boron containing

240
546/314

Carbonyl bonded directly to the six-membered hetero ring

350
546/328

Acyclic nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding

98
546/323

Acyclic nitrogen bonded directly to the carbonyl

275
546/324

Acyclic nitrogen single bonded directly to acyclic nitrogen

46
546/325

Carbon double bonded directly to one of the acyclic nitrogens

9
546/315

At 3-position

297
546/316

Acyclic nitrogen bonded directly to the carbonyl

374
546/317

Processes of obtaining nicotinamide per se

43
546/318

The carbonyl is in a -coo- group

247
546/321

Additional -coo- group bonded directly to the six-membered hetero ring

370
546/322

Carbocyclic ring containing

184
546/319

Processes of obtaining nicotinic acid per se or a derivative of nicotinic acid wherein the only substituents are -coo- groups, or salt thereof

46
546/320

By oxidation

31
546/326

The carbonyl is in a -coo- group

247
546/327

Processes

61
546/339

Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding (e.g., sulfato betaines, etc.)

509
546/344

The chalcogen is in an -oh or -om group (m is group ia or group iia light metal)

205
546/340

The chalcogen, x, is in a -c(=x)- group

294
546/341

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same of diverse chalcogens

206
546/342

Additional ring containing

367
546/343

The six-membered hetero ring and another ring bonded directly to the same carbon

79
546/290

Chalcogen bonded directly to ring carbon of the six-membered hetero ring

594
546/291

Chalcogen and acyclic nitrogen bonded directly to the same carbon

424
546/292

The chalcogen or the acyclic nitrogen is bonded directly to the six membered hetero ring

208
546/301

Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding

515
546/302

Halogen attached directly or indirectly to the six-membered hetero ring by nonionic bonding

425
546/294

Chalcogen bonded directly to chalcogen

299
546/295

Halogen bonded directly to the six-membered hetero ring by nonionic bonding

101
546/303

Halogen attached directly or indirectly to the six-membered hetero ring by nonionic bonding

221
546/298

Having -c(=x)-, wherein x is chalcogen, bonded directly to the six-membered hetero ring

454
546/299

Plural -c(=x)- groups, wherein x is chalcogen, bonded directly to the six membered hetero ring

89
546/297

Nitrogen attached directly to the six-membered hetero ring by nonionic bonding

490
546/300

Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding

796
546/296

Plural chalcogens bonded directly to ring carbons of the six-membered hetero ring

524
546/293

Sulfur bonded directly to acyclic nitrogen

178
546/286

Cyano bonded directly to the six-membered hetero ring

382
546/287

Additional cyano containing

168
546/288

Chalcogen bonded directly to ring carbon of the six-membered hetero ring

330
546/289

Nitrogen attached directly to the six-membered hetero ring by nonionic bonding

194
546/345

Halogen attached directly to the six-membered hetero ring by nonionic bonding

344
546/346

Halogen attached indirectly to the six-membered hetero ring by nonionic bonding

237
546/2

Heavy metal or aluminum containing

540
546/3

Arsenic containing

26
546/12

Azide or acyclic nitrogen containing

87
546/11

Piperidine containing

82
546/10

Polycyclo ring system having the six-membered hetero ring as one of the cyclos

302
546/4

The metal bonded directly to carbon, which carbon is a ring carbon of the six-membered hetero ring or which carbon is attached directly or indirectly to the six-membered hetero ring by nonionic bonding

273
546/5

The metal is bonded directly to chalcogen of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens, which group is attached directly or indirectly to the six-membered hetero ring by nonionic bonding

153
546/6

The metal is bonded directly to chalcogen which chalcogen is attached directly or indirectly to the six-membered hetero ring by nonionic bonding

219
546/7

The chalcogen is bonded directly to ring carbon of a quinoline ring system (including hydrogenated)

70
546/8

The metal is in an anion and the six-membered hetero ring is in a cation

78
546/9

The metal is bonded directly to halogen in the anion

56
546/304

Nitrogen attached directly to the six-membered hetero ring by nonionic bonding

475
546/309

Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen

539
546/312

Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding

363
546/310

Having -c(=x)-, wherein x is chalcogen, bonded directly to the six-membered hetero ring

231
546/306

Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other

256
546/307

Plural nitrogens attached directly to the six-membered hetero ring by nonionic bonding

245
546/308

Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen

155
546/305

Sulfur and acyclic nitrogen bonded directly to the same carbon

138
546/311

The nitrogen bonded additionally only to hydrogen

160
546/329

Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding

523
546/334

Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding

452
546/336

Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen

266
546/337

Additional ring containing

385
546/338

Acyclic nitrogen bonded directly to chalcogen

148
546/335

The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

424
546/330

Cyano attached indirectly to the six-membered hetero ring by nonionic bonding

393
546/332

Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other

312
546/331

Sulfur and acyclic nitrogen bonded directly to the same carbon

158
546/333

The six-membered hetero ring and another ring bonded directly to the same carbon

134
546/21

Phosphorus attached directly to the six-membered hetero ring by nonionic bonding

206
546/22

Phosphorus attached indirectly to the six-membered hetero ring by nonionic bonding

654
546/24

Chalcogen bonded directly to ring carbon of the six-membered hetero ring

199
546/25

The phosphorus is bonded directly to the chalcogen

88
546/23

Polycyclo ring system having the six-membered hetero ring as one of the cyclos

342
546/184

Piperidines

615
546/192

Additional ring containing

613
546/236

Chalcogen attached indirectly to the piperidine ring by nonionic bonding

287
546/240

The chalcogen is in an -oh or -om group (m is group ia or group iia light metal)

248
546/241

The -oh or -om is bonded to an acyclic carbon, which carbon is bonded directly to two rings

77
546/237

The chalcogen, x, is in a -c(=x)- group

215
546/238

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

199
546/239

Plural carbocyclic rings containing

222
546/216

Chalcogen bonded directly to ring carbon of the piperidine ring

451
546/217

Chalcogen and a carbocyclic ring bonded directly at 4-position

174
546/218

The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

37
546/221

Having -c(=x)-, wherein x is chalogen, attached directly or indirectly to the piperidine ring by nonionic bonding

364
546/222

The -c(=x)- group and the piperidine ring are bonded directly to the same chalcogen

137
546/219

Plural chalcogens bonded directly to ring carbons of the piperidine ring

128
546/220

Having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the piperidine ring by nonionic bonding

141
546/215

Cyano bonded directly to the piperidine ring

86
546/225

Having -c(=x)-, wherein x is chalcogen, bonded directly to the piperidine ring

283
546/226

At 1-position

612
546/227

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

122
546/228

Carbocyclic ring bonded directly at 4-position

45
546/223

Nitrogen attached directly to the piperidine ring by nonionic bonding

325
546/224

Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen

290
546/229

Nitrogen attached indirectly to the piperidine ring by nonionic bonding

296
546/232

Chalcogen attached indirectly to the piperidine ring by nonionic bonding

359
546/233

Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen

332
546/234

Plural carbocyclic rings containing

345
546/235

The chalcogen, x, is in a -c(=x)- group

176
546/230

Cyano attached indirectly to the piperidine ring by nonionic bonding

205
546/231

Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other

183
546/193

Pyridine ring or partially hydrogenated pyridine ring

1156
546/194

Carbocyclic ring containing

1465
546/207

The additional ring is a hetero ring

473
546/208

Ring nitrogen in the additional hetero ring

1066
546/210

Plural ring nitrogens in the additional hetero ring

927
546/211

1,2-diazole (including hydrogenated)

347
546/209

Ring sulfur or ring oxygen in the additional hetero ring

956
546/214

The additional hetero ring consists of one oxygen and four carbons

346
546/212

The additional hetero ring consists of one sulfur and four carbons

296
546/213

Carbocyclic ring containing

310
546/195

The additional ring is one of the cyclos in a polycyclo ring system

201
546/196

Hetero ring in the polycyclo ring system

953
546/197

Plural ring hetero atoms in the polycyclo ring system

574
546/198

Ring nitrogen in the polycyclo ring system

651
546/199

Plural ring nitrogens in the polycyclo ring system

998
546/200

Ring nitrogen in the polycyclo ring system

406
546/201

Bicyclo ring system which is indole (including hydrogenated)

937
546/202

Ring sulfur in the polycyclo ring system

495
546/205

The polycyclo ring system is bicyclo-carbocyclic

553
546/206

Chalcogen bonded directly to the bicyclo-carbocyclic ring system

398
546/203

The polycyclo ring system is tricyclo-carbocyclic

230
546/204

Chalcogen bonded directly to the tricyclo-carbocyclic ring system

175
546/248

Chalcogen attached indirectly to the piperidine ring by nonionic bonding

267
546/242

Chalcogen bonded directly to ring carbon of the piperidine ring

412
546/243

At 2-position

282
546/245

Having -c(=x)-, wherein x is chalcogen, bonded directly to the piperidine ring

459
546/244

Nitrogen attached directly to the piperidine ring by nonionic bonding

255
546/246

Nitrogen attached indirectly to the piperidine ring by nonionic bonding

260
546/247

Acyclic nitrogen bonded directly to a -c(=x)- group, wherein x is chalcogen

187
546/186

Plural piperidine rings

308
546/187

Additional hetero ring containing

822
546/191

Carbocyclic ring containing

269
546/188

Chalcogen attached directly to a ring carbon of a piperidine ring by nonionic bonding

375
546/190

Having -c(=x)-, wherein x is chalcogen, attached indirectly to a piperdine ring by nonionic bonding

338
546/189

Having -c(=x)-, wherein x is chalcogen, bonded directly to a piperidine ring

373
546/185

Process of forming a piperidine ring from a pyridine ring or from a partially hydrogenated pyridine ring

65
546/255

Plural pyridine or partially hydrogenated pyridine rings

343
546/264

Acyclic nitrogen attached directly or indirectly to pyridine or partially hydrogenated pyridine ring by nonionic bonding

313
546/265

Having -c(=x)-, wherein x is chalcogen, bonded directly to the acyclic nitrogen

203
546/256

Additional hetero ring containing

1331
546/266

Chalcogen attached indirectly to pyridine or partially hydrogenated pyridine ring by nonionic bonding

111
546/267

The chalcogen, x, is in a -c(=x)- group

87
546/261

Chalcogen bonded directly to ring carbon of pyridine or partially hydrogenated pyridine ring

534
546/262

Having -c(=x)-, wherein x is chalcogen, bonded directly to pyridine or partially hydrogenated pyridine ring

238
546/263

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

180
546/257

Pyridine or partially hydrogenated pyridine rings are bonded directly to each other

400
546/258

Halogen containing or process utilizing halogen or halogen containing compound

143
546/259

Metal containing catalyst utilized

26
546/260

Metal containing catalyst utilized

22
546/26

Polycyclo ring system having the six-membered hetero ring as one of the cyclos

105
546/112

Bicyclo ring system having the six-membered hetero ring as one of the cyclos

795
546/183

Chalcogen bonded directly to ring carbon of the bicyclo ring system

319
546/139

Isoquinolines (including hydrogenated)

435
546/145

Acyclic nitrogen double or triple bonded to carbon which is attached directly or indirectly to the isoquinoline ring system by nonionic bonding

195
546/141

Chalcogen attached directly to the six-membered hetero ring by nonionic bonding

653
546/142

Plural chalcogens attached directly to the six-membered hetero ring by nonionic bonding

236
546/146

Having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the isoquinoline ring system by nonionic bonding

761
546/147

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

386
546/151

N-alkyl or n-alkenyl isoquinoliniums which are otherwise unsubstituted or alkyl or alkenyl substituted only

24
546/143

Nitrogen, other than as nitro or nitroso, attached directly to the isoquinoline ring system by nonionic bonding

441
546/140

Plural isoquinoline ring systems attached directly or indirectly to each other by nonionic bonding

138
546/150

Single bond between 3,4-positions

136
546/149

Unsaturated carbocyclic ring attached indirectly to the six-membered hetero ring through an acyclic hydrocarbon chain

219
546/148

Unsaturated hetero ring attached indirectly to the isoquinoline ring system by nonionic bonding

359
546/144

Unsaturated ring attached directly to the six-membered hetero ring by nonionic bonding

355
546/113

Plural ring hetero atoms in the bicyclo ring system

789
546/117

At least four ring nitrogens in the bicyclo ring system

104
546/121

Ring nitrogen is shared by the two cyclos

626
546/115

Ring oxygen in the bicyclo ring system

421
546/116

Acyclic chalcogen bonded directly to ring carbon of the bicyclo ring system

366
546/114

Ring sulfur in the bicyclo ring system

745
546/122

The other cyclo in the bicyclo ring system is also six-membered (e.g., naphthyridines, etc.)

588
546/123

Chalcogen and -c(=x)-, wherein x is chalcogen, bonded directly to ring carbons of the bicyclo ring system (e.g., 4-oxo-naphthyridine -3-carboxylic acid, etc.)

360
546/118

Three ring nitrogens in the bicyclo ring system

763
546/119

Two of the ring nitrogens are bonded directly to each other

377
546/120

Having -c(=x)-, wherein x is chalcogen, bonded directly to the bicyclo ring system

160
546/152

Quinolines (including hydrogenated)

634
546/172

Acyclic sulfur bonded directly to oxygen and directly or indirectly to the quinoline ring system by nonionic bonding

273
546/178

Chalcogen attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding

192
546/179

The chalcogen is in an -oh, -sh, -om or -sm group (m is group ia or group iia light metal)

88
546/153

Chalcogen attached directly to the six-membered hetero ring by nonionic bonding

1102
546/157

Chalcogen attached directly at 2-position by nonionic bonding

725
546/158

Single bond between 3,4-positions

334
546/156

Having -c(=x)-, wherein x is chalcogen, bonded directly to the six-membered hetero ring

860
546/155

Plural chalcogens attached directly to the six-membered hetero ring by nonionic bonding

431
546/154

Polycyclo-carbocyclic ring system bonded directly to the six-membered hetero ring (e.g., quinophthalones, etc.)

72
546/164

Fully saturated quinolines

183
546/180

Halogen or nitro attached directly or indirectly to the quinoline ring system by nonionic bonding

238
546/174

Having -c(=x)-, wherein x is chalcogen, attached indirectly to the quinoline ring system by nonionic bonding

443
546/175

Nitrogen bonded directly to the -c(=x)- group

372
546/168

Having -c(=x)-, wherein x is chalcogen, bonded directly to the quinoline ring system

314
546/169

Acyclic nitrogen bonded directly to the -c(=x)- group

335
546/170

The -c(=x)- is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens

226
546/171

Nitrogen, other than as nitro or nitroso, attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding

295
546/159

Nitrogen, other than as nitro or nitroso, attached directly to the six membered hetero ring by nonionic bonding

774
546/162

Nitrogen attached indirectly to the six-membered hetero ring through the directly attached nitrogen by nonionic bonding

246
546/163

Both nitrogens bonded directly to the same acyclic hydrocarbon group

103
546/160

Unsaturated carbocyclic ring bonded directly to the nitrogen

143
546/161

Having -c(=x)-, wherein x is chalcogen, bonded directly to the carbocyclic ring

72
546/176

Nitrogen, other than as nitro or nitroso, attached indirectly to the quinoline ring system by nonionic bonding

583
546/177

Chalcogen attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding

168
546/181

Quinolines which are unsubstituted or which are alkyl or alkenyl substituted only, or salt thereof

110
546/182

Addition salts

39
546/165

Single bond between 1,2-positions and single bond between 3,4-positions

425
546/166

The six-membered hetero ring is unsubstituted or alkyl substituted only

173
546/173

Unsaturated carbocyclic ring attached directly to the quinoline ring system by nonionic bonding (e.g., quinophthalones, etc.)

235
546/167

Unsaturated hetero ring attached directly to the quinoline ring system by nonionic bonding

571
546/138

Quinolizines (including hydrogenated)

133
546/133

Quinuclidines (including unsaturated)

348
546/137

Chalcogen bonded directly to ring carbon of the quinuclidine ring system

174
546/134

Quinoline containing (including hydrogenated)

168
546/135

Additional hetero ring containing

157
546/136

Three or more chalcogens attached indirectly to the quinuclidine ring system by nonionic bonding

47
546/124

Tropanes (including nor and dehydro forms)

182
546/125

Additional hetero ring containing

177
546/126

Additional polycyclo ring system having the additional hetero ring as one of the cyclos

168
546/127

Chalcogen bonded directly to ring carbon of the tropane ring system

68
546/129

Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding

43
546/130

Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding

48
546/131

Hydroxy containing or containing oxy bonded directly to a group ia or group iia light metal (i.e., -oh or -om containing)

35
546/128

Polycyclo-carbocyclic ring system

24
546/132

Having -c(=x)-, wherein x is chalcogen, bonded directly to the tropane ring system

71
546/33

Heptacyclo ring system having the six-membered hetero ring as one of the cyclos

23
546/36

Plural ring hetero atoms in the heptacyclo ring system

50
546/37

Ring carbon is shared by three of the cyclos (e.g., perylene tetracarboxylic acid diimide, etc.)

192
546/34

Two of the cyclos share at least three ring members (e.g., protoveratrine, etc.)

27
546/35

At least three ring hetero atoms in the heptacyclo ring system

41
546/38

Hexacyclo ring system having the six-membered hetero ring as one of the cyclos

38
546/41

Plural ring hetero atoms in the hexacyclo ring system

136
546/39

Two of the cyclos share at least three ring members (e.g., etheno morphides, etc.)

76
546/40

Plural ring nitrogens in the hexacyclo ring system (e.g., reserpic acid lactone, etc.)

23
546/28

Nonacyclo ring system having the six-membered hetero ring as one of the cyclos

31
546/29

The six-membered hetero ring shares ring nitrogen with a five-membered cyclo which contains additional ring nitrogen

12
546/30

Octacyclo ring system having the six-membered hetero ring as one of the cyclos

8
546/31

Plural ring hetero atoms in the octacyclo ring system (e.g., flavanthrone, cepharanthrine, etc.)

23
546/32

At least four ring nitrogens in the octacyclo ring system (e.g., naphthoylene dibenzimidazole, etc.)

13
546/42

Pentacyclo ring system having the six-membered hetero ring as one of the cyclos

52
546/47

Plural ring hetero atoms in the pentacyclo ring system

58
546/48

Three or more ring hetero atoms in the pentacyclo ring system

355
546/49

Two ring nitrogens in the pentacyclo ring system (e.g., quinacridones, etc.)

167
546/50

Ring nitrogen is shared by two of the cyclos (e.g., yohimbanes, etc.)

20
546/53

Having -c(=x)-, wherein x is chalcogen, bonded directly to ring carbon of the pentacyclo ring system and also bonded directly to chalcogen or nitrogen

14
546/54

Plural chalcogens bonded directly to the same cyclo as is the -(c=x)- group

4
546/55

Trialkoxybenzoyl bonded directly to at least one of the chalcogens (e.g., reserpine, etc.)

6
546/51

Ring nitrogen is shared by five-membered cyclo and six-membered cyclo (e.g., vincamine, etc.)

123
546/52

Additional ring nitrogen in the five-membered cyclo

28
546/56

Three or more ring carbons of the pentacyclo ring system are substituted (e.g., substituted quinacridones, etc.)

108
546/57

Three or more chalcogens containing

40
546/58

The pentacyclo ring system consists of five six-membered cyclos (e.g., anthraquinonebenzacridones, etc.)

31
546/59

Nitrogen attached directly to the pentacyclo ring system by nonionic bonding

8
546/60

An additional ring is bonded directly to the nitrogen

2
546/43

Two of the cyclos share at least three ring members (i.e., bridged)

53
546/44

One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.)

256
546/46

A single chalcogen is bonded directly to ring carbon of the pentacyclo ring system (e.g., desoxy morphine, etc.)

92
546/45

Nitrogen or divalent chalcogen double bonded directly to carbocyclic ring of the pentacyclo ring system (e.g., morphinones, etc.)

200
546/61

Tetracyclo ring system having the six-membered hetero ring as one of the cyclos

153
546/62

Plural ring hetero atoms in the tetracyclo ring system (e.g., acronycines, etc.)

138
546/66

Ring carbon is shared by three of the cyclos

128
546/67

The three cyclos consist of two carbocyclic rings and a five-membered hetero ring which includes a ring nitrogen (e.g., ergolines, etc.)

121
546/68

Chalcogen or nitrogen bonded directly to ring carbon of the six-membered hetero ring

97
546/69

Having -c(=x)-, wherein x is chalcogen, bonded directly to the six-membered hetero ring (e.g., lysergic acid, etc.)

108
546/64

Three or more ring hetero atoms in the tetracyclo ring system

178
546/65

Plural ring chalcogens in the tetracyclo ring system

113
546/63

Two of the cyclos share at least three ring member (i.e., bridged)

88
546/70

Two ring nitrogens in the tetracyclo ring system

227
546/75

Ring carbon is shared by three of the cyclos

76
546/76

Chalcogen bonded directly to ring carbon of the six-membered hetero ring (e.g., anthrapyridones, etc.)

73
546/71

Ring nitrogen is shared by two of the cyclos

61
546/73

The six-membered hetero ring shares ring members with one other cyclo only (e.g., pyrrocolines, etc.)

12
546/72

Two of the cyclos share at least three ring members or a ring carbon is shared by three of the cyclos (i.e., bridged or peri-fused)

57
546/77

The six-membered hetero ring shares ring members with one other cyclo only

180
546/78

Plural chalcogens bonded directly to carbocyclic rings of the tetracyclo ring system (e.g., pyridoanthraquinones, etc.)

49
546/74

Two of the cyclos share at least three ring members (e.g., morphinans, etc.)

147
546/27

The polycyclo ring system has at least ten cyclos and at least four ring nitrogens

30
546/79

Tricyclo ring system having the six-membered hetero ring as one of the cyclos

267
546/101

Each of the three cyclos is six-membered (e.g., benzoquinolines, etc.)

241
546/102

Acridines (including hydrogenated)

205
546/103

Chalcogen bonded directly to ring carbon of the six-membered hetero ring

117
546/104

Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the acridine ring system by nonionic bonding

193
546/107

Plural nitrogens, other than as nitro or nitroso, attached directly to the carbocyclic rings of the acridine ring system (e.g., 3,6-diaminoacridines, etc.)

50
546/105

The nitrogen is bonded directly to ring carbon of the six-membered hetero ring

67
546/106

The nitrogen is part of a substituent which contains additional nonionically bonded nitrogen

66
546/110

Chalcogen or -c(=x)-, wherein x is chalcogen, attached directly to the six membered hetero ring by nonionic bonding

95
546/108

Phenanthridines (including hydrogenated)

128
546/109

Unsaturated ring bonded directly to ring carbon of the six-membered hetero ring

36
546/93

One of the cyclos has at least seven members

243
546/80

Plural ring hetero atoms in the tricyclo ring system

269
546/81

Plural ring nitrogens in the tricyclo ring system

284
546/84

One of the cyclos is five-membered

305
546/85

The six-membered hetero ring shares ring members with the five-membered cyclo only (e.g., pyrido-indoles, etc.)

199
546/86

Chalcogen bonded directly to ring carbon of the tricyclo ring system

207
546/87

Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding

206
546/88

Phenanthrolines (including hydrogenated)

94
546/82

Three or more ring hetero atoms in the tricyclo ring system

505
546/83

At least one of the ring hetero atoms is chalcogen

227
546/89

Ring oxygen in the tricyclo ring system

349
546/92

Plural chalcogens bonded directly to ring carbons of the tricyclo ring system

97
546/90

Plural ring oxygens in the tricyclo ring system

168
546/91

Tropane and oxirane in the tricyclo ring system

52
546/98

Ring carbon is shared by each of the three cyclos (e.g., 1,8 naphthalimides, etc.)

137
546/99

Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the tricyclo ring system by nonionic bonding

135
546/100

The nitrogen is bonded directly to a carbocyclic ring of the tricyclo ring system

84
546/94

Ring nitrogen is shared by two of the cyclos

308
546/95

Benzo(a)quinolizines (including hydrogenated)

111
546/96

Additional polycyclo ring system having ring nitrogen (e.g., emetine, etc.)

24
546/111

The tricyclo ring system consists of a five-membered carbocyclic ring ortho fused to both a six-membered carbocyclic ring and the six-membered hetero ring (e.g., indenopyridines, etc.)

76
546/97

Two of the cyclos share at least three ring carbons (e.g., benzomorphans, etc.)

139
546/285

Polycyclo-carbocyclic ring system having at least three cyclos

202
546/249

Process of forming partially hydrogenated pyridine ring

112
546/250

Process of forming pyridine ring

190
546/251

The pyridine ring is unsubstituted or hydrocarbyl substituted only

92
546/253

Starting materials include a hydrocarbon

28
546/252

Starting materials include a nitrogen containing hetero ring (e.g., starting materials include a piperidine ring, etc.)

36
546/254

Starting materials include an acyclic hydrocarbyl ether or an acyclic hydrocarbyl alcohol

14
546/14

Silicon containing

694
546/15

Spiro

620
546/16

The spiro includes the six-membered hetero ring

494
546/19

At least three ring hetero atoms in the two rings which form the spiro

269
546/20

At least three ring nitrogens in the two rings which form the spiro

164
546/17

Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos

293
546/18

Polycyclo ring system having the six-membered hetero ring as one of the cyclos

381
546/347

The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salts, etc.)

173
546/313

Thiocarbonyl bonded directly to the six-membered hetero ring

56
546/348

Unsubstituted or hydrocarbyl substituted only, or salt thereof

238
546/349

Alkylation or dealkylation process

28
546/353

Purification or recovery

15
546/350

Unsaturated hydrocarbyl side chain

61
546/352

Process of forming the unsaturated hydrocarbyl side chain

29
546/351

Stabilized alkenyl pyridines

8
 
 
  Recently Added Patents
Floor standing rack
LED package chip classification system
Process for producing liquid crystal element, and liquid crystal element
Metal-doped oxide, method of preparing the same, and solid oxide electrolyte using the metal-doped oxide
Wrench head
Dental plier
Method and system for shared high speed cache in SAS switches
  Randomly Featured Patents
Control system for multi-color rotary printing machines, especially for alternate one-side and two-side printing
Inverter circuit, backlight assembly, and liquid crystal display with backlight assembly
Quantitation and standardization of magnetic resonance measurements
Dispenser for dispensing paper upon manual tearing from a roll, wherein the dispenser is provided with a second roll in reserve
Killing insect pests inside wood by vacuum dehydration
Network performance management
Lens
Substituted azoanthracene derivatives, pharmaceutical compositions, and methods of use thereof
Process for preparing cellulose pulp from lignocellulosic material while removing high molecular weight substances from the pulping liquor
Frame for sliding door and wall