A practical synthesis of essentially enantiopure syn-propionate aldols using a chiral oxazaborolidinone-promoted asymmetric aldol reaction coupled with radical reduction

被引:32
作者
Kiyooka, S [1 ]
Shahid, KA [1 ]
Hena, MA [1 ]
机构
[1] Kochi Univ, Dept Chem, Akebono Cho, Kochi 7808520, Japan
关键词
asymmetric aldol reaction; chiral Lewis acid; diastereoselective radical reduction;
D O I
10.1016/S0040-4039(99)01278-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Essentially enantiopure syn-propionate aldols (>98% ee) were prepared by a chiral oxazaborolidinone-promoted asymmetric aldol reaction, followed by a diastereoselective radical reduction with Bu3SnH and Et3B, which was carried out under chelation control. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:6447 / 6449
页数:3
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