Synthesis of substituted dinitrophenylketones and phenyl-acetic acids – Part V

A.B. Sen & P. M. Bhargava

Published in: Journal of the Indian Chemical Society, 1948, 26, 538-540

Abstract:

2: 6-Dinitro-4-Chlorophenyl-acetone and -acetic acid and 2-methyl-3-carbethoxy-4-amino-6-chloroindole have been prepared.

The reaction described in previous communications (Sen and Bhargava, J. Indian Chem. Soc., 1947, 24, 268, 371; 1948, 25, 282, 403) has been extended to the preparation of 2: 6-dinitro-4-chlorophenyl -acetone and -acetic acid, by the condensation of monosodium derivative of acetoacetic ester with 2: 5-dichloro-1: 3-dinitrobenzene and subsequent hydrolysis. Similar condensation with malonic ester yields 2:6-dinitro-4-chlorophenylmalonic ester. The reduction of 2:6-dinitro-4 chlorophenylacetoacetic ester results in the formation of an indole derivative.

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Synthesis of substituted dinitrophenylketones and phenyl-acetic acids – Part V. A B SEN & P M BHARGAVA. Journal of the Indian Chemical Society, 1948, 26, 538-540.

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