Process for the preparation of 4-hydroxycarbazole

Details Process for the preparation of 4-hydroxycarbazole Process for the preparation of 4-hydroxycarbazole

C - Chemistry, Metallurgy

07

D

260/318

C07D 209/82 (2006.01) C07D 209/88 (2006.01)

Patent

CA 1115719

ABSTRACT The present invention provides a process for the preparation of 4-hydroxycarbazole by the dehydrogenation of 1,2,3,4-tetrahydro-4-oxocarbazole, wherein the reaction is carried out under alkaline conditions, preferably in an aqueous alkaline solution, using Raney nickel as catalyst.

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