A P-31 NMR-STUDY OF THE WATER-SOLUBLE DERIVATIVES OF 1,3,5-TRIAZA-7-PHOSPHAADAMANTANE (PTA)

被引：54
|
作者：
FISHER, KJ
ALYEA, EC
SHAHNAZARIAN, N
机构：
[1] Guelph-Waterloo Centre, Guelph Campus, Department of Chemistry and Biochemistry, Guelph
来源：
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1990年 / 48卷 / 1-4期
关键词：
1; 3; 5-Triaza-7-phosphaadamantane; 31P nmr; coordination chemical shifts; water soluble phosphine;
D O I：
10.1080/10426509008045879
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
l, 3, 5-Triaza-7-phosphaadamantane (PTA), a small air stable aliphatic phosphine, and some water soluble derivatives have been studied mainly using 31P nmr. PTA has been shown to have a pKa of 6.0 but this basicity does not relate to the phosphorus atom but one of the nitrogen atoms in the molecule. Alkyl halides similarly add to one of the nitrogens and conductivity and nmr studies indicate that these are ammonium salts. Oxidation and the reaction with sulphur and selenium occur at phosphorus, indicated by large 3IP coordination chemical shifts. All the derivatives prepared are water soluble. © 1990, Taylor & Francis Group. All rights reserved.
引用
收藏
页码：37 / 40
页数：4
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