Enantiodifferentiating transformation of prochiral 1,3,5-pentanetriols controlled by intramolecular van der Waals attractions
作者:Toshiro Harada、Isao Wada、Jun-ji Uchimura、Atsushi Inoue、Sachi Tanaka、Akira Oku
DOI:10.1016/s0040-4039(00)92049-5
日期:1991.2
Acetalization of prochiral 1,3,5-pentanetriol derivatives (5) with l-menthone proceeded enantioselectively (3.0-4.6:1) to give chiral spiroacetals (6) which can be utilized as versatile chiral building blocks.