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Scheme 3 | BMC Chemistry

Scheme 3

From: Synthesis of novel thiazole, pyranothiazole, thiazolo[4,5-b]pyridines and thiazolo[5′,4′:5,6]pyrano[2,3-d]pyrimidine derivatives and incorporating isoindoline-1,3-dione group

Scheme 3

Synthesis of 5-Amino-2-(2-(1-(4-(1,3-dioxoisoindolin-2-yl)phenyl)ethylidene)-hydrazinyl)-7-substituted-7H-pyrano[2,3-d]thiazole-6-carbonitrile (15a, b) and 2-(2-(1-(4-(1,3-dioxoisoindolin-2-yl)phenyl)ethylidene)hydrazinyl)-5-oxo-7-substituted-4,5-dihydrothiazolo[4,5-b]pyridine-6-carbonitrile (16a, b)

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