Solid-state 31P NMR investigations of un
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Tristram Chivers; Mark Edwards; Colin A. Fyfe; Leslie H. Randall
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Article
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1992
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John Wiley and Sons
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English
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## Abstract Solidโstate CP/MAS ^31^P NMR spectra were measured for the following unsaturated phosphorusโnitrogenโsulfur ring systems: 1,5โR~4~P~2~N~4~S~2~ (R = Me, Et, Ph), 1,5โPh~4~P~2~N~4~S~2~Ph~2~, Ph~2~PN~4~S~3~NPPh~3~ and Ph~2~PN~3~S~2~. The isotropic solidโstate shifts correlate well with the