Carbazole derivatives

Details Carbazole derivatives Carbazole derivatives

C - Chemistry, Metallurgy

07

D

260/318

C07D 209/88 (2006.01)

Patent

CA 1107288

RAN 4001/101 Abstract The invention relates to a process for the preparation of carbazoles of the formula Image I wherein X is hydroxymethyl or a grouping COOR1, R1 is hydrogen or lower alkyl, and the dotted line denotes an optional C-C bond, and, where X is carboxy, salts thereof with bases, starting from 6-chloro-1,2,3,4-tetrahydro-carbazole-2-one, as well as to the novel carbazoles of formula Id Image wherein X is as above, and to the intermediate, 6-chloro-1,2,3,4-tetrahydro- carbazole-2-one.

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