2,4,8,10-TETRASUBSTITUTED DIBENZO[d,f][1,3,2]DIOXAPHOSPHEPINS

Autor: Pastor, Stephen, Spivack, John, Steinhuebel, L. P., Matzura, Cynthia
Zdroj: Phosphorus, Sulfur, and Silicon and the Related Elements; April 1983, Vol. 15 Issue: 2 p253-256, 4p
Abstrakt: The synthesis of the dibenzo[d,f][1,3,2]dioxaphosphepin ring system from substituted biphenyl-2,2'-diols and alkylphosphonous dichlorides is described. The NMR spectral data are consistent with either rapidly interconverting ring conformers or a static non-planar ring conformation.
Databáze: Supplemental Index