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Class Information
Number: 549/477
Name: Organic compounds -- part of the class 532-570 series > 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) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > The hetero ring is five-membered > Chalcogen bonded directly to the hetero ring > Plural chalcogens bonded directly to the hetero ring > Chalcogen double bonded directly to the hetero ring
Description: Compounds wherein at least one chalcogen is doubled bonded directly to the hetero ring.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6884525 |
Red light emitting materials |
Apr. 26, 2005 |
| 6849203 |
Photoisomerizable compounds |
Feb. 1, 2005 |
| 6828276 |
Herbicidally active benzoylcyclohexanediones |
Dec. 7, 2004 |
| 6624324 |
Process for producing optically active hemiesters |
Sep. 23, 2003 |
| 6511942 |
2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides |
Jan. 28, 2003 |
| 6420419 |
L-ascorbic acid 2-phosphate zinc salt and process for manufacturing the same |
Jul. 16, 2002 |
| 6380246 |
Alkyl-dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides |
Apr. 30, 2002 |
| 6127409 |
Ascorbic acid derivative and vitamin C preparation containing the same |
Oct. 3, 2000 |
| 6060600 |
Substituted tetronic acids useful for treating HIV and other retroviruses |
May. 9, 2000 |
| 6060575 |
1,4-bis(3,4-dicarboxyphenoxy)-2-tert-butylbenzene dianhydride and method of using the same |
May. 9, 2000 |
| 5981576 |
(Methylsulfonyl)phenyl-2-(5H)-furanones as COX-2 inhibitors |
Nov. 9, 1999 |
| 5958957 |
Modulators of molecules with phosphotyrosine recognition units |
Sep. 28, 1999 |
| 5856323 |
Compounds and methods for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase |
Jan. 5, 1999 |
| 5750516 |
Phosphoric diester |
May. 12, 1998 |
| 5746933 |
Lubricating oil and composition for refrigerating machine, and refrigerating machine |
May. 5, 1998 |
| 5663380 |
Cysteine protease inhibitors containing heterocyclic leaving groups |
Sep. 2, 1997 |
| 5648486 |
Compounds and methods for the treatment of inflammatory and immune disorders |
Jul. 15, 1997 |
| 5585373 |
3-(7'-oxo-1'-aza-4'-oxabicyclo[3.2.0]-hept-3'-YL)propionic acid derivative as antitumor agent |
Dec. 17, 1996 |
| 5580996 |
Oxygen-containing aliphatic compounds and their use as intermediates for the preparation of 4-hydroxy-2, 5-dimethyl-3(2H)-furanone |
Dec. 3, 1996 |
| 5580995 |
Process for preparing anhydride-functional monomers |
Dec. 3, 1996 |
| 5519052 |
Carbonarin antiinsectan metabolites |
May. 21, 1996 |
| 5434151 |
Compounds and methods for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase |
Jul. 18, 1995 |
| 5420157 |
Inhibitors of farnesyl protein transferase or prodrugs thereof |
May. 30, 1995 |
| 5412121 |
Process for the preparation of 4-hydroxy-3[2H]furanones |
May. 2, 1995 |
| 5358938 |
Compounds and methods for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase |
Oct. 25, 1994 |
| 5298658 |
Photographic elements with reduced print-through |
Mar. 29, 1994 |
| 5223533 |
New benzylcyclanone derivatives process for preparing them and cosmetic and pharmaceutical compositions containing them |
Jun. 29, 1993 |
| 5175298 |
Dipeptide hydroxy ethylene isostere synthesis and intermediates therefor |
Dec. 29, 1992 |
| 5171867 |
Method of preparing 2,5-dimethyl-4-hydroxy-2H-furan-3-one |
Dec. 15, 1992 |
| 5149840 |
Hydroxy furanone preparation |
Sep. 22, 1992 |
| 4973583 |
Pesticidal O-halogenocyclobutyl S-alkyl (di)thiphosph)(on)ates |
Nov. 27, 1990 |
| 4889735 |
Furanic esters and their utilization as flavor ingredients |
Dec. 26, 1989 |
| 4818795 |
Polymaleic acid, its preparation and its use |
Apr. 4, 1989 |
| 4762848 |
1,3-thiazoles and their use as immunomodulators |
Aug. 9, 1988 |
| 4758680 |
Pineapple ketone carbonate derivatives |
Jul. 19, 1988 |
| 4680403 |
Process for producing N-protected-.alpha.-L-aspartyl-L-phenylalanine methyl ester |
Jul. 14, 1987 |
| 4590284 |
Pineapple ketone 1'-alkoxyalkyl derivatives |
May. 20, 1986 |
| 4568378 |
Herbicidal 5-cycloalkylamino-3-oxo-4-(substituted-phenyl)-2,3-dihydrofuran and derivatives thereof |
Feb. 4, 1986 |
| 4568375 |
2-Substituted 5-amino-3-oxo-4-(substituted-phenyl)-2,3-dihydrofuran herbicides |
Feb. 4, 1986 |
| 4539332 |
2,5-Diaryl tetrahydrofurans and analogs thereof as PAF-antagonists |
Sep. 3, 1985 |
| 4524206 |
1-Heteroaryl-4-(2,5-pyrrolidinedion-1-yl)alkyl)piperazine derivatives |
Jun. 18, 1985 |
| 4480112 |
Method and intermediates for producing .alpha.-L-aspartyl-L-phenylalanine |
Oct. 30, 1984 |
| 4480111 |
Process for the preparation of 4-hydroxy-2,5-dimethyl-2,3-dihydrofuran-3-one |
Oct. 30, 1984 |
| 4464409 |
Process for preparing 4-hydroxy-5-methyl-2,3-dihydro-furanone-3 and changing organoleptic properties of foods |
Aug. 7, 1984 |
| 4332815 |
Insecticidal perhaloalkylvinylcyclopropanecarboxylates |
Jun. 1, 1982 |
| 4298726 |
Synthesis of N-benzoyl-L-ristosamine and intermediates used in its preparation |
Nov. 3, 1981 |
| 4294767 |
Process for the preparation of 2,5-dimethyl-4-hydroxy-3(2H)-furanone and its 2,5-dialkyl homologues |
Oct. 13, 1981 |
| 4290960 |
Preparation of 2,5-dimethyl-4-hydroxy-2,3-dihydrofuran-3-one |
Sep. 22, 1981 |
| 4250101 |
Bis-epoxy-dialkoxy-alkanes |
Feb. 10, 1981 |
| 4234616 |
Flavoring with mixtures of 2,5-dialkyl dihydrofuranones and 2,4,5-trialkyl dihydrofuranones |
Nov. 18, 1980 |
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