OPTICALLY ACTIVE PHOSPHINE OXIDES. 8. SYNTHESIS OF NONSYMMETRICAL 1,2-DIPHOSPHINYLETHENES AND RELATED SYSTEMS

Article abstract of DOI:10.1016/0040-4020(89)80061-4

The synthesis of the nonsymmetrical and the optically active trans-1,2-diphosphinylethenes has been accomplished.The employed addition-elimination route is potentially general and utilizes readily accessible secondary phosphine oxides and tertiary 1-halog