申请人:Hoffmann-La Roche Inc.
公开号:US04264500A1
公开(公告)日:1981-04-28
The aromatization of (6-chloro-1,2,3,4-tetrahydro-2-carbazolyl)-methyl-malonic acid dialkyl ester, utilizing chlorine and subsequent conversion of the resulting product to 6-chloro-.alpha.-methyl-carbazole-2-acetic acid by hydrolysis and decarboxylation are described.
描述了(6-
氯-1,2,3,4-四氢-2-
咔唑基)-甲基-
丙二酸双烷基酯的芳构化过程,利用
氯气,并随后将所得产物转化为6-
氯-α-甲基-
咔唑-2-
乙酸,方法是通过
水解和脱羧。