REACTIVITY OF FUNCTIONALIZED DIPHOSPHIRANES AND 1,3-DIPHOSPHAPROPENES TOWARDS GRIGNARD-REAGENTS

被引:4
|
作者
ELOUATIB, R [1 ]
GAROT, C [1 ]
ETEMADMOGHADAM, G [1 ]
KOENIG, M [1 ]
机构
[1] UNIV TOULOUSE 3,SYNTH STRUCT & REACTIV MOLEC PHOSPHOREES LAB,CNRS,URA 454,F-31062 TOULOUSE,FRANCE
关键词
D O I
10.1016/0022-328X(92)85044-W
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction of saturated and unsaturated organomagnesium compounds with the monohalogenated diphosphiranes, 1a-b, and their isomers, the 1,3-diphosphapropenes, 2a-b, leads to a series of substituted 1,3-diphosphapropenes and 1,3-diphosphadienes 4-8 (a-b), but with the dihalogeno-derivatives 1c-d and 2c-d, it gives quantitative yields of 1,3-diphospha-allene 9. The reaction occurs via an anionic ring-opening involving an allylic anion intermediate 11a-b, detected by P-31 NMR.
引用
收藏
页码:169 / 177
页数:9
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