“…10 Stereochemical assignments relating to phosphines of the Taniaphos series (7), also prepared by the above route, have been corrected, following comments from other workers. 11 Other new phosphines also prepared in this way include a series of mono-and diphosphino-anthracenes (8), 12 the unsymmetrical 2,2 0 -bis (phosphino)diphenylamine (9), 13 the p-phenylenediphosphines (10), 14 the diphosphine (11), (capable of quaternisation at nitrogen to give water-soluble a Biomedical Research Centre, Sheffield Hallam University, Sheffield, UK S1 1WB Organophosphorus Chem., 2010, 39, 1-48 | 1 c The Royal Society of Chemistry 2010 15 and the tetraphosphines (12) that act as rigid scaffolds which prevent interactions of metal complexes with oxide supports. 16 A novel approach to 1,1 0 -bisphosphorus compounds is provided by treatment of diethyl chloromethylphosphonate (a carbene precursor) with butyl lithium, followed by a trialkylborane, which results in transfer of an alkyl group from boron to the carbenoid a-carbon.…”