Stereoselective routes to cis-(2S,3R)-3-hydroxypipecolic acid and two enantiomeric cis-2-hydroxymethyl-3-hydroxypiperidine derivatives from a common precursor have been developed, which featured stereocontrolled vinylation of a α-chiral aldehyde and ring-closing metathesis as key steps.
以δ-手性醛的立体可控
乙烯基化和闭环反应为关键步骤,开发出了从一种普通前体制备顺式-(2S,3R)-3-羟基联
哌啶酸和两种对映体顺式-2-羟甲基-
3-羟基哌啶衍
生物的立体选择性路线。