Journal of the American Chemical Society

A NEW REDUCTION OF ARYL SULFONIC ACID SALTS AND DERIVATIVES. PHOSPHORUS PENTABROMIDE AS A REDUCING AGENT1

AH Kohlhase

Index: Kohlhase Journal of the American Chemical Society, 1932 , vol. 54, p. 2441,2446

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Citation Number: 3

Abstract

1-3 a The letters A, B, C, etc., used in these columns stand for the aryl radical of the parent sulfonic acids shown in the first column. This was a comparatively crude phosphorus pentabromide prepared in carbon bisulfide; all the remaining experiments were carried out with pure phosphorus bromides or chlorides prepared in carbon tetrachloride. The yield depended to a large extent upon keeping the products thoroughly mixed and also on the ...