Conformational Study of and Transannular Interactions in Eight-Membered Phosphorus Heterocycles
Fourteen 8 membered phosphorus heterocycles have been synthesised and characterised.Several of them contained sulphur or nitrogen atom also, located four bonds apart from phosphorus.From chemical shifts and 3JPOCH and 3JH-H values, a mobile equilibrium between two conformations is suggested for these compounds.Infrared studies suggest transannular interaction between phosphorus and the hetero atom (S or N).
Sharma, Ravinder K.,Sampath, K.,Vaidyanathaswamy, R.
p. 217 - 234
(2007/10/02)
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