申请人:Abbott Laboratories
公开号:US05668164A1
公开(公告)日:1997-09-16
Process for preparation of chiral cis-3,4-substituted pyrrolidine compounds having the formulas: ##STR1## and chiral 3,4-trans-substituted pyrrolidine compounds having the formulas: ##STR2## with the assistance of a streochemically directing chiral oxazolidinone moiety having the formula: ##STR3## wherein P, R and R.sup.1 are specifically defined, by sequential reaction of the compound or subsequent intermediates with an a,b-unsaturated add chloride, reaction with N-benzyl-N-(methoxymethyl)trimethyl-silylmethylamine and separating isomers by chromatography, hydrolytic removal of the oxazolidinone moiety, reaction with diphenylphosphoryl azide and triethylamine, and debenzylating; and novel intermediates of the process.
制备具有以下式子的手性顺式-3,4-取代吡咯烷化合物的过程:##STR1##和具有以下式子的手性反式-3,4-取代吡咯烷化合物:##STR2##在手性定向的含氧杂环酮基团的协助下,该基团具有以下式子:##STR3##其中P、R和R.sup.1具有特定的定义,通过化合物或随后的中间体与α,β-不饱和加氯化物的顺序反应,与N-苄基-N-(甲氧甲基)三甲基硅基甲胺反应,并通过色谱分离异构体,水解去除杂环酮基团,与二苯基膦酰氮和三乙胺反应,去苄基反应;以及该过程的新中间体。