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

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

1979-11-14

1981-12-15

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

207158HA, 260544D, 570196, 570127, C07C 1714, C07C 2124, C07C 5772

Patent

active

043061028

ABSTRACT:
p-Tert.butylbenzotribromide and the derivatives thereof which is 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 partial saponification of the benzotribromide the corresponding benzoyl bromide is obtained. Further saponification of the latter or complete saponification of the benzotribromide yields p-tert.butylbenzoic acid and derivatives thereof which are halogen substituted at the nucleus, the esters of which can be used in pharmacology.

REFERENCES:
patent: 3869489 (1975-03-01), Tiquert et al.
patent: 4110373 (1978-08-01), Day

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