Phosphorus-31 to lithium-7 nuclear spin coupling in lithiated organophosphorus compounds

Phosphorus-31 to lithium-7 nuclear spin coupling in lithiated organophosphorus compounds
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锂化有机磷化合物中磷 31 与锂 7 核自旋耦合

DOI:
10.1039/c39820000220
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发表时间:
1982
期刊:
Journal of The Chemical Society, Chemical Communications
影响因子:
--
通讯作者:
W. Mcfarlane
W. Mcfarlane
中科院分区:
--
文献类型:
--
作者:
I. Colquhoun;H. Mcfarlane;W. Mcfarlane

文献摘要

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31 P和7Li n.m.r. J(31 P-7Li)=ca. 50 Hz显示在低温下,巫妖(PPh 2)2和巫妖[PPh 2][P(S)PPh 2]在Et 2 O溶液中为共价单体,而LiPPh 2为共价二聚体。
31 P and 7Li n.m.r. spectra with J(31P–7Li)=ca. 50 Hz show LiCH(PPh2)2 and LiCH[PPh2][P(S)PPh2] to be covalent monomeric, and LiPPh2 to be covalent dimeric in Et2O solution at low temperatures.