申请人:Pfizer Inc.
公开号:US04014890A1
公开(公告)日:1977-03-29
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.degree. to 180.degree. C.
某些吲哚衍生物,尤其是某些1,2,3,4-四氢咔唑,1,2,3,4-四氢-γ-咔啉和1,2,3,4-四氢吡咯-[3,4-b]吲哚是通过在弱碱性溶剂(如吡啶、喹啉、N,N-二甲基苯胺、吡啶或戊二醛)的存在下,在约50°C至180°C的温度范围内,将适当的苯基肼盐和酮反应而制备的。