申请人:I.S.F. Socièta per Azioni
公开号:EP0156655A2
公开(公告)日:1985-10-02
A process for preparing compounds (1)
where Y is NR'R2 or OR, R' and R2 are hydrogen or C1-3 alkyl, and R is C1-3 alkyl, which comprises protecting the hydroxy group of a compound (2),
cyclising the product under basic conditions and removing the protecting group.
一种制备化合物(1)的工艺
其中 Y 为 NR'R2 或 OR,R'和 R2 为氢或 C1-3 烷基,R 为 C1-3 烷基,包括保护化合物 (2) 的羟基、
在碱性条件下对产物进行环化,并除去保护基。