Carbazole acetic acid derivatives

Details Carbazole acetic acid derivatives Carbazole acetic acid derivatives

1979-01-11

1979-12-11

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20986

Patent

active

041782895

ABSTRACT:
A process for the preparation of 6-chloro-.alpha.-methylcarbazole-2-acetic acid from 6-chloro-.alpha.-hydroxy-.alpha.-methylcarbazole-2-acetic acid and/or 6-chloro-.alpha.-methylene-2-carboxylic acid, is described. The preparation of intermediates, such as, 6-chloro-.alpha.-hydroxy-.alpha.-methylcarbazole-2-acetic acid and lower alkyl carbazole-2-oxalate, inter alia, is also described.

REFERENCES:
patent: 3328406 (1967-06-01), Wolf et al.
patent: 3896145 (1975-07-01), Berger et al.

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