PHOSPHONIUM SALTS .3. ACTION OF CYANIDE ION AND OTHER NUCLEOPHILES ON SOME BIS-PHOSPHONIUM SALTS

被引:13
作者
BROPHY, JJ
GALLAGHE.MJ
机构
[1] Department of Organic Chemistry, University of New South Wales, Kensington, NSW, 2033
关键词
D O I
10.1071/CH9691405
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Cyclic and acyclic bis-phosphonium salts with a two-carbon bridge are smoothly cleaved to phosphines in high yield by potassium cyanide in dimethyl sulphoxide. Evidence is presented that the reaction proceeds by an elimination-addition sequence. An elimination reaction also occurs when sodium methoxide, sodium azide, sodium acetate, and triethylamine react with ethane-1,2-bis(tri-phenylphosphonium) dibromide. In a novel reaction, triphenylphosphine is converted into its oxide by a mixture of sodium azide and dimethyl sulphoxide. © 1969, CSIRO. All rights reserved.
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页码:1405 / &
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