68 research outputs found
Cycloaddition of Thiazolo[3,2-a]benzimidazole and Imidazo[2,1-b]benzothiazole with Methyl Propiolate; Formation of Thiazolo[3,2-a][1,5]benzodiazepine and [1,4]Diazepino[7,1-b]benzothiazole
No full textStudies on heterocyclic analogs of azulene.VIII. Reaction of 2-alkoxycyclohepta[b]pyrroles with dimethyl acetylenedicarboxylate
No full text2-Alkoxycyclohepta[b] pyrroles reacted with dimethyl acetylenedicarboxylate to give tetramethyl 2-alkoxy-3H-2a-azacyclopenta[ef]heptalene-3,4,5,6-tetracarboxylates in benzene and dialkyl 2-(2-alkoxycyclohepta[b]pyrrol-1-yl)fumarate in alcoholic solvents
Cycloaddition of thiazolo[3,2-a]benzimidazole and imidazo[2,1-b]benzothiazole with methyl propiolate ; formation of thiazolo[3,2-a][1,5]benzodiazepine and [1,4]diazepino[7,1-b]benzothiazole
Get PDF3-methylthiazolo[3,2-a]benzimidazole and 2-methylimidazo[2,1-b]benzothiazole, respectively, react with methyl propiolate to give 1:2-adducts which are characterized as methyl(Z)-11-(methoxycarbonyl)-3-methyl-10-thiazolo[3,2-a][1,5]benzodiazepinacrylate and methyl (z)-5-(methoxycarbonyl)-2-methyl-4-[1,4]diazepino[7,1-b]benzothiazolacrylate
Recent progress in the chemistry of azaazulenes : synthetic methodology and chemical reactions
Get PDFStudies on heterocyclic analogues of azulene. Part 12.N-Ribosidation of 1,2-Dihydrocyclohepta[b]pyrrol-2-ones.
No full textCycloaddition of thiazolo[3,2-a]benzimidazole and imidazo[2,1-b]benzothiazole with methyl propiolate ; formation of thiazolo[3,2-a][1,5]benzodiazepine and [1,4]diazepino[7,1-b]benzothiazole
Get PDFStudies on heterocyclic analogues of azulene. Part 5. : Rearrangement of 7H-6a-azacyclobuta[j]cyclopent[1,2,3-cd]azulene ring system on silica gel
Get PDFStudies on heterocyclic analogs of azulene.VI. Cycloadditions of styryl-substituted aza analogs of azulene with dimethyl acetylenedicarboxylate
No full textStudies on heterocyclic analogs of azulenes. III. The reactions of 2-chloro-3-ethoxycarbonylcyclohepta[b]pyrrole with the carbanions derived from active methylene compounds
No full textCycloaddition of 8-styrylcyclohepta[b]pyrroles with dimethyl acetylenedicarboxylate. Formation and thermal rearrangement of the 7H-6a-azacyclobuta[j]cyclopenta[1,2,3-cd]azulene ring system
No full text- …
