摘要:
2-N-Benzoyl-N-phenylamino-2-oxo-5, 5-dimethyl-1, 3, 2-dioxaphosphorinane (3a) undergoes rearrangement to (2-oxo-5, 5-dimethyl-1, 3, 2-dioxaphosphorinanyl) (N-phenyliminobenzoyl) oxide (4a). This transformation is shown to be catalysed by electrophilic reagents such as benzoyl chloride, trimethylsilyl chloride, p-toluenesulphonyl chloride.