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Class Information
Number: 548/433
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) > Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) > Polycyclo ring system having the five-membered hetero ring as one of the cyclos > Tricyclo ring system having the five-membered hetero ring as one of the cyclos > Plural ring hetero atoms in the tricyclo ring system > The tricyclo ring system consists of a benzene ring which shares ring carbons with two nitrogen containing hetero rings (e.g., pyromellitic diimide, etc.)
Description: Compounds wherein the tricyclo ring system consists of a benzene ring which shares ring carbons with two nitrogen containing hetero rings.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5629430 Trifluoromethylpyrroloindolecarboxylic acid ester and process for production thereof May. 13, 1997
5585499 Cyclopropylbenzindole-containing cytotoxic drugs Dec. 17, 1996
5571927 Areno [E]indols, preparation method and application as intermediates in the synthesis of products with antitumoral activity Nov. 5, 1996
5563273 Covalent compound having a radical-cationic moiety covalently linked to a radical anionicmoiety Oct. 8, 1996
5541339 CC-1065 analogs having two CPI subunits Jul. 30, 1996
5475092 Cell binding agent conjugates of analogues and derivatives of CC-1065 Dec. 12, 1995
5414013 Trifluoromethyl mercaptan and mercaptoacyl derivatives and method of using same May. 9, 1995
5332837 CC-1065 analogs Jul. 26, 1994
5292765 Neuroprotection by indolactam V and derivatives thereof Mar. 8, 1994
5258383 DC-89 derivatives Nov. 2, 1993
5252560 Cyclic imide derivatives, compositions and use Oct. 12, 1993
5242551 Electron induced transformation of an isoimide to an n-imide and uses thereof Sep. 7, 1993
5216173 N-cyanoimides Jun. 1, 1993
5210213 Dimensional, crosslinkable oligomers May. 11, 1993
5138059 DC-89 compounds and process for their preparation Aug. 11, 1992
5132396 Phthalonitrile monomers containing imide and/or phenoxy linkages, and polymers thereof Jul. 21, 1992
5117002 Preparation of diphenyl ether May. 26, 1992
5108485 Herbicidal 2-(2-imidazolin-2-yl)-benzazoles Apr. 28, 1992
5089517 Neuroprotection by indolactam V and derivatives thereof Feb. 18, 1992
5084468 DC-88A derivatives Jan. 28, 1992
5070092 Pyrroloindole derivatives related to DC-88A compound Dec. 3, 1991
5037993 Sulfonyl derivatives of an antibiotic substance isolated from streptomyces Aug. 6, 1991
5030725 Method of resolving cis 3-amino-4-[2-(2-furyl)eth-1-yl]-1-methoxycarbonylmethyl-azetidin-2-one using (-)-DAG Jul. 9, 1991
5021573 Heterocyclic pigments and dyes Jun. 4, 1991
5003078 Synthesis of phthalonitrile resins containing ether and imide linkages Mar. 26, 1991
4994578 Certain anti-tumor duocarmycin antibiotics from streptomyces Feb. 19, 1991
4978757 1,2,8,8a-tetrahydrocyclopropa (C) pyrrolo [3,2-e)]-indol-4(5H)-ones and related compounds Dec. 18, 1990
4916240 Hetero-polycyclic aromatic compounds Apr. 10, 1990
4912227 1,2,8,8A-tetrahydrocyclopropa(c)pyrrolo(3,2-e)-indol-4-(5H)-ones and related compounds Mar. 27, 1990
4874756 Benzodipyrroles, processes for the preparation thereof and pharmaceutical compositions containing them Oct. 17, 1989
4874803 Dianhydride coupled polymer stabilizers Oct. 17, 1989
4841009 Substantially linear monomeric composition and liquid crystal polymeric compositions derived therefrom Jun. 20, 1989
4695405 Process for quenching fluorescence, and new cationic or amphoteric aromatic nitro compounds Sep. 22, 1987
4692533 Selective preparation of N-(amidoalkyl)imides and related compounds Sep. 8, 1987
4680417 2.6-dioxo-2.6-dehydrobenzo[1:2-b,4:5-b]difurans Jul. 14, 1987
4668611 Color photographic light-sensitive material May. 26, 1987
4650882 Dyes having two 5-membered lactone rings fused to a central cyclohexa-1.4-diene nucleus Mar. 17, 1987
4596876 Phthalaldehyde adducts Jun. 24, 1986
4594375 Bis-(imide-sulfonate) flameproofing agents, their preparation and their use for flameproofing in polycarbonate Jun. 10, 1986
4532270 High temperature stable adhesive compositions employing aromatic polyimide and polyisoimide bis-acetylene additives Jul. 30, 1985
4528373 Vinylacetylene-terminated polyimide derivatives Jul. 9, 1985
4520198 Vinylacetylene-terminated polyimide derivatives May. 28, 1985
4517363 Vinylacetylene-terminated polyimide derivatives May. 14, 1985
4517364 Vinylacetylene-terminated polyimide derivatives May. 14, 1985
4514527 Method for obtaining strong adhesive bonding of composites to dentin enamel and other substrates Apr. 30, 1985
4496492 Substituted phenylalkyl compounds Jan. 29, 1985
4489185 Carbinol-containing polyimides capable of self-crosslinking at low temperature Dec. 18, 1984
4485140 Melt-fusible polyimides Nov. 27, 1984
4467100 Epoxy resin compositions cured with imide-amine at ambient temperatures to afford products having useful properties at high temperatures Aug. 21, 1984
4435323 Vinylacetylene-terminated polymide derivatives Mar. 6, 1984

1 2 3 4










 
 
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