Abstract:
Data on the methods of synthesis and reactivities of organic diphosphines with a direct P–P bond between four-coordinated phosphorus atoms as well as compounds with a P–P bond between a three-coordinated phosphorus atom and a phosphorus atom with a higher degree of coordination are surveyed and described systematically. Problems of the steric structures and the results of structural analysis, spectroscopic studies, and studies by other methods are considered. The bibliography includes 269 references.