| 摘要 |
Certain indole derivatives, and especially certain 1,2,3,4-tetrahydrocarbazoles, 1,2,3,4-tetrahydro- gamma -carbolines and 1,2,3,4-tetrahydropyrrolo-[3,4-b]indoles are prepared by reacting the appropriate phenylhydrazine salt and ketone in the presence of a weakly basic solvent such as pyridine, quinoline, N,N-dimethylaniline, picoline or lutidine at a temperature in the range of about 50 DEG to 180 DEG C.
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