1.1.3.3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphet / 1.1.3.3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphete

Abstract
The title compound 1 was prepared by reacting methyl-bis(dimethylamino)difluorophosphorane with butyllithium at -95 °C. The crystalline product is characterized by its NMR and IR spectra. The results of the X-ray crystal and molecular structure analyses are reported.