Process for preparing (+)-1,2-dihydro-3H-pyrrolo(1,2-a)pyrrole-1,7-dicarboxylates
申请人:SYNTEX (U.S.A.) INC.
公开号:EP0275092A1
公开(公告)日:1988-07-20
1,2-Dihydro-3H-pyrrolo[1,2-a]pyrrole-1,7-dicarboxylates of the formula,
in which each R is independently H or lower alkyl, are prepared from from di(lower alkyl) 1,3-acetone-dicarboxylates and are useful as intermediates in the preparation of pharmaceuticals.
式中的 1,2-二氢-3H-吡咯并[1,2-a]吡咯-1,7-二羧酸盐、
其中每个 R 独立地为 H 或低级烷基,由 1,3-丙酮二羧酸二(低级烷基)酯制备而成,可用作制备药物的中间体。