magnesium in tetrahydrofuran redn. with magnesium;

trimethylstannyl chloride in carbon disulfide under N2, reaction of P4 with Br2 in CS2, followed by treatment with C(CH3)3SnCl; further products: PBr3, PClBr2, PCl2Br, PCl3, P7Br3, P4Br2, and P4BrCl; not isolated, identified by 31P-NMR spectroscopy;

in carbon disulfide under N2, dropwise addn. of Br2/CS2 to a stirred soln. of P4/CS2 (-10°C, 1 h), yellow soln.; not isolated, identified by 31P-NMR spectroscopy, molar ratio of PBr3, P2Br4, exo,exo-P4Br2 and exo,endo-P4Br2: 95 : 2.7 : 0.48 : 1.9;

暂无反应条件数据

暂无反应条件数据