Cyclic phosphines and arsines. II. Cyclic arsines
Cyclic phosphines and arsines. II. Cyclic arsines
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环状膦和胂。
DOI：
10.1071/ch9701559
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发表时间：
1970
影响因子：
1.1
通讯作者：
B. West
中科院分区：
文献类型：
--
作者：
P. Elmes;S. Middleton;B. West
环聚胂 (AsR)n（R = 甲基、乙基、正丙基和苯基）的组成已通过核磁共振和质谱技术进行了研究。对不同电离势下电子撞击下它们的碎裂进行的系统研究证实了五聚烷基和六聚苯基环胂的存在。可变温度核磁共振五甲基环五胂获得的光谱已根据快速假旋转过程进行了解释。已鉴定出一些混合甲基苯基环胂。
The constitutions of the cyclopolyarsines (AsR)n (R = methyl, ethyl, n-propyl, and phenyl) have been investigated by nuclear magnetic resonance and mass spectrometric techniques. A systematic study of their fragmentation under electron impact at different ionization potentials has confirmed the presence of pentameric alkyl and hexameric phenyl cyclic arsines. Variable temperature N.M.R. spectra obtained for pentamethylcyclopentaarsine have been interpreted in terms of a rapid pseudorotation process. Some mixed methylphenyl cyclic arsines have been identified.