1,3-BUTADIENYLTRIBUTYLPHOSPHONIUM BROMIDE AS A CONJUNCTIVE REAGENT FOR THE SYNTHESIS OF 1,3-DIENES FROM CARBONYL-COMPOUNDS AND GILMAN CUPRATES

被引:1
|
作者
SCHEUPLEIN, SW [1 ]
BRUCKNER, R [1 ]
机构
[1] UNIV MARBURG,FACHBEREICH CHEM,W-3550 MARBURG,GERMANY
关键词
CONJUGATE ADDITION; CUPRATES; 1,3-DIENES; WITTIG REACTION;
D O I
10.1002/cber.19911240827
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A one-pot non-stereoselective synthesis of 1,3-dienes from (4-bromo-2-butenyl)tributylphosphonium bromide (9), Gilman cuprates, and aldehydes or ketones is described. The yields of the dienes reach 79% or 63% when aldehydes and ketones are used, respectively. The pentadienylsilane 10k is accessible similarly in 56% yield.
引用
收藏
页码:1871 / 1874
页数:4
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