AN IMPROVED ASYMMETRIC NITROOLEFINATION OF ALPHA-ALKYL-GAMMA-LACTONES AND DELTA-LACTONES WITH MODIFIED NITROENAMINES

被引:19
作者
NODE, M [1 ]
KUROSAKI, R [1 ]
HOSOMI, K [1 ]
INOUE, T [1 ]
NISHIDE, K [1 ]
OHMORI, T [1 ]
FUJI, K [1 ]
机构
[1] KYOTO UNIV,INST CHEM RES,UJI,KYOTO 611,JAPAN
关键词
D O I
10.1016/0040-4039(94)02175-B
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
New chiral nitroenamines 4a, b were found to be very effective for asymmetric nitroolefination of alpha-alkyl-gamma- and delta-lactones. The enantiomeric excess of the product ran up to 99%. A possible chelation model for the transition state of the asymmetric nitroolefination was discussed.
引用
收藏
页码:99 / 102
页数:4
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