A New Synthesis of Some 2-Substituted-3, 4-dihydro-3-oxo-1, 4, 2-benzothiazine Derivatives

FK Kirchner, EJ Alexander

Index: Kirchner; Alexander Journal of the American Chemical Society, 1959 , vol. 81, p. 1721,1722

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Citation Number: 23

Abstract

The present investigation was undertaken to determine the structure of the products formed when 2-aminobenzenethiol reacted with more complex+ unsaturated acids, eg, 8- benzoylacrylic acids (Ib), 4-e maleamic acids (IC),'maleanilic acids (Id) 8 and maleic acid monophenylhydrazides (Ie).* We have found, that when 2-aminobenzenethiol reacted with a 8-benzoylacrylic acid (Ib), 3, 4-dihy-

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