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
wherein R2 is hydrogen, alkyl, benzyl, acyl or alkoxycarbonyl, by catalytic reduction of isoindoline derivative of formula I
wherein R1 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.
本发明提供了一种以高产率和立体选择性方式工业制备顺式六氢
异吲哚啉衍
生物的工艺。
本发明涉及一种制备式 II 的顺式六氢
异吲哚啉衍
生物的工艺
其中 R2 为氢、烷基、苄基、酰基或烷氧基羰基,通过催化还原式 I 的
异吲哚啉衍
生物制备的工艺
其中 R1 为氢、烷基、苄基、酰基或烷氧基羰基,催化还原在
钌、
铑或
钯催化剂存在下进行。