Conformations of saturated six-membered ring phosphorus heterocycles. Chair-chair equilibria for cyclophosphamide, the 5,5-dimethyl derivative, and related 1,3,2-oxazaphosphorinanes. Relative conformational energies of nitrogen mustard and other R2N groups attached to phosphorus
作者:William N. Setzer、Alan E. Sopchik、Wesley G. Bentrude