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2. ChemInform Abstract: One‐Step Synthesis of 2‐Aminothieno(2,3‐e)(1,3)thiazin‐4‐ones in Some Cases 5,6‐Anellated from Ethyl 2‐Benzoylthioureidothiophene‐3‐carboxylates and Evaluation of Their Antiallergic Activity.

Author

LEISTNER, S., GUETSCHOW, M. +, WAGNER, G., GRUPE, R., and BOEHME, B. +

Abstract

Reaction of the aminothiophenecarboxylates (I) with the isothiocyanate (II) yields the thioureas (III) which are cyclized under acidic conditions, forming the thienothiazines (IV).

Published
1989
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