P-tert. butylbenzotribromide and p-tert. butylbenzoyl...

Details P-tert. butylbenzotribromide and p-tert. butylbenzoyl... P-tert. butylbenzotribromide and p-tert. butylbenzoyl...

C - Chemistry, Metallurgy

07

C

204/91.24, 260/5

C07C 25/02 (2006.01) C07C 17/14 (2006.01) C07C 22/04 (2006.01) C07C 25/13 (2006.01) C07C 51/093 (2006.01) C07C 63/04 (2006.01)

Patent

CA 1136646

Abstract of the disclosure: p-Tert.butlbenzotribromide and the derivatives there- of halogen-substituted at the nucleus are prepared under side chain halogenation conditions by bromination of p- tert.butyltoluene and its derivatives substituted at the nucleus by halogen. Practically no undesired bromination in the nucleus or at the tert.butyl radical takes place. By partical saponification of the benzotribromine the corresponding benzoyl bromide is obtained. Further saponi- fication of the latter or complete saponification of the benzotribromide yeilds p-tert.butylbenzoic acid and deriva- tives thereof halogen substituted at the nucleus, the ester of which can be used in pharmacology.

339893

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