ACYCLIC STEREOCONTROL VIA ORGANOGEMBISMETALLIC REAGENTS .3.

被引:0
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作者
MAREK, I
LEFRANCOIS, JM
NORMANT, JF
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The metalla-Claisen reaction leads under very mild conditions, high chemical yields and diastereoselectivity to compounds with two adjacent asymmetric centers. For example, (Z)-1-heptenyllithium (2) was converted into (3S,4R)-3,4-dimethyl-1-nonene (5) by reaction with crotylmagnesium bromide and zinc(II) bromide and subsequent hydrolysis of the gem-1,1-bismetallic intermediate 4.
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页码:633 / 635
页数:3
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