申请人:Yuki Gosei Kogyo Co., Ltd.
公开号:US05932744A1
公开(公告)日:1999-08-03
The instant invention provides a process for the industrial preparation of cis-hexahydroisoindoline derivatives in high yields and stereoselective manner. The instant invention relates to a process for the preparation of cis-hexahydroisoindoline derivative of formula II ##STR1## wherein R.sup.2 is hydrogen, alkyl, benzyl, acyl or alkoxycarbonyl, by catalytic reduction of isoindoline derivative of formula I ##STR2## wherein R.sup.1 is hydrogen, alkyl, benzyl, acyl or alkoxycarbonyl, wherein the catalytic reduction is carried out in the presence of a ruthenium, a rhodium or a palladium catalyst.
本发明提供了一种高收率和立体选择性的工业制备顺式六氢异吲哚衍生物的方法。本发明涉及一种顺式六氢异吲哚衍生物的制备方法,其化学式为II ##STR1## 其中R.sup.2是氢、烷基、苯甲基、酰基或烷氧羰基,通过在铑、钌或钯催化剂存在下催化还原式I的异吲哚衍生物,式I中R.sup.1是氢、烷基、苯甲基、酰基或烷氧羰基。