engleski

Photoelectron spectroscopy of some chlorinated phosphate esters

The electronic structures of ethylenephosphochloridate, 1, 2-phenylenephosphochloridate and 2, 2, 2-trichloro-1, 3, 2-benzodioxaphosphole have been studied by HeI/HeII photoelectron spectroscopy (UPS)and Green’s function calculations. Our results indicate the importance of hyperconjugative interactionsbetween the 5-membered ring and the fused aromatic ring. Some implications of our results for rates of ofnucleophilic substitution reactions on phosphorus are discussed

phosphates; esters; photoelectron spectra; hyperconjugation

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