Long-range phosphorus–hydrogen spin–spin coupling in the n.m.r. spectra of some conjugated triphenylphosphonium halides. Some further evidence for hyperconjugation
Chemical Communications (London) Pub Date : , DOI:10.1039/C19660000511
Abstract

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Long-range phosphorus–hydrogen spin–spin coupling in the n.m.r. spectra of some conjugated triphenylphosphonium halides. Some further evidence for hyperconjugation