2- AMINOTHIOPHENE COMPOUND

2- AMINOTHIOPHENE COMPOUND

Aminothiophenes of the formula in which R represents CN, COOX or CONXY, X represents H, alkyl, alkenyl, cycloalkyl, aryl or aralkyl, R1 represents X, R2 represents hetaryl or a radical of the formula A represents the residual members of a carbocycle or heterocycle and Y represents H or alkyl are use...

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1. Verfasser: HAUKE FUYURUSUTENBERUTO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:Aminothiophenes of the formula in which R represents CN, COOX or CONXY, X represents H, alkyl, alkenyl, cycloalkyl, aryl or aralkyl, R1 represents X, R2 represents hetaryl or a radical of the formula A represents the residual members of a carbocycle or heterocycle and Y represents H or alkyl are useful intermediates for the preparation of azo dyes and pharmaceutical and biological active substances. The compounds are obtained, for example, by the principles of "Gewald chemistry".