SOME REACTIONS OF VINYLPHOSPHONIUM SALTS

被引:23
作者
SHUTT, JR
TRIPPETT, S
机构
[1] Department of Chemistry, The University
来源
JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC | 1969年 / 15期
关键词
D O I
10.1039/j39690002038
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Methods for the preparation of alkyldiphenylvinylphosphonium salts have been investigated. Addition of unchanged phosphine to vinyl phosphonium salts frequently complicates these reactions and leads to either bis- or polymeric phosphonium salts. The addition of nucleophiles to the alkylvinyl salts to generate, after proton transfer, alkylidenephosphoranes has been investigated. Ylides have been formed from the salts Ph2P+(CH 2R1)·CR2:CH2 Br -(R1,R2 = H; R1 = Ph, R2 = H; R1 = C6H4Me-m, R2 = Ph) : There is no evidence in their reactions of cyclisation to phosphetanes. The alkaline hydrolysis of triphenylvinylphosphonium bromide gives 1,2- bis(diphenylphosphinyl)ethane and diphenyl-1-phenylethylphosphine oxide.
引用
收藏
页码:2038 / &
相关论文
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