Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei 184-8588, Japan.
Org Lett. 2010 Jan 15;12(2):268-71. doi: 10.1021/ol902592t.
The boron aldol reaction of beta-substituted glutaric imides bearing an oxazolidinone-based auxiliary proceeds with excellent diastereoselectivity; switching the tertiary amine employed between i-Pr(2)EtN or Et(3)N affords enantiomeric lactone product.
带有噁唑烷酮辅助基的β-取代戊二酰亚胺的硼醇醛缩合反应具有极好的非对映选择性;改变所用的叔胺(异丙基二乙胺或三乙胺)可以得到对映体内酯产物。