Journal of the American Chemical Society

The Preparation of 5, 5'-and 7, 7'-Difluoroindigo

A Roe, CE Teague

Index: Roe; Teague Journal of the American Chemical Society, 1949 , vol. 71, p. 4019

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Citation Number: 7

Abstract

Summary In acid solution the Mannich reaction of ethylmalonic acid, formaldehyde and dimethylamine, follows third order kinetics, first order in each of the three components. The rate of reaction shows a critical dependence on pH. It passes through a maximum at about pH 3.8.