Steric structure of phosphorus-containing heterocycles. Communication 37. 2-Phenoxy-5,6-benz-1,3,2-dioxaphosphepines with tetracoordinated phosphorus atom
Spatial structure of phosphorus-containing heterocycles. 49. Vibrational spectra, dipole moments, and conformations of 2-aroxy-1,3,2-dioxaphosphepines and their benzo analogs