P. Odorisio, S. D. Pastor, J. Spivack
Mar 1, 1983
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Journal
Phosphorus Sulfur and Silicon and The Related Elements
Abstract
Abstract The synthesis of the 12H-dibenzo[d,g][1,3,2]dioxaphosphocin ring system from 2,2′-alkylidene bisphenols and phosphorus trichloride is described. The 1H NMR shows evidence for long range through-space coupling of the C-12 methine proton to phosphorus.