DIASTEREOSELECTIVE AND ENANTIOSELECTIVE SYNTHESIS OF ALPHA,ALPHA'-DISUBSTITUTED SPIROACETALS USING THE SAMP-RAMP-HYDRAZONE METHOD

被引:22
作者
ENDERS, D
GATZWEILER, W
DEDERICHS, E
机构
关键词
D O I
10.1016/S0040-4020(01)85594-0
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
α,α'-Disubstituted spiroacetals were synthesized with excellent enantiomeric excesses and in good overall yields from symmetrical ketones employing the SAMP-/RAMP-hydrazone-method for asymmetric α,α'-alkylation. © 1990.
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页码:4757 / 4792
页数:36
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