1,2-Bis(dichlorophosphino)ethane

C2H4(PCl2)2.svg 148 (Ethane-1,2-diyl)bis(phosphonous dichloride) 1,2-Ethanebis(phosphonous dichloride) 28240-69-9 correct FDA AE6TUW97XQ 119904 DTXSID3067368 107057 1S/C2H4Cl4P2/c3-7(4)1-2-8(5)6/h1-2H2 SBWAJHLQMFBNIN-UHFFFAOYSA-N C(CP(Cl)Cl)P(Cl)Cl 2 4 2 4 colorless liquid 68 1 mmHg 05 Danger 314 260 264 280 301+330+331 303+361+353 304+340 305+351+338 310 321 363 405 501 1,2-Bis(dichlorophosphino)ethane is an organophosphorus compound with the formula (CH2PCl2)2. This colorless liquid is a precursor to chelating diphosphines. Synthesis and reactions It is prepared by the reaction of ethylene, white phosphorus, and phosphorus trichloride:10.1016/S0022-328X(00)94383-3 A convenient synthesis of 1,2-bis(dichlorophosphino)ethane, 1,2-bis(dimethylphosphino)ethane and 1,2-bis(diethylphosphino)ethane Journal of Organometallic Chemistry 182 203–206 1979 Burt Roger J. Chatt Joseph Hussain Wasif Leigh G.Jeffery 2 3 C2H4 + 0.5 P4 + 4 PCl3 → 3 (CH2PCl2)2 The compound reacts with Grignard reagents and secondary amines to give chelating ligands.10.1021/ja00134a014 N-Pyrrolyl Phosphines: An Unexploited Class of Phosphine Ligands with Exceptional .pi.-Acceptor Character Journal of the American Chemical Society 117 7696–7710 1995 Moloy Kenneth G. Petersen Jeffrey L. 29 An often practiced use of this compound is the synthesis of 1,2-bis(dimethylphosphino)ethane. Related compounds 1,2-Bis(dichlorophosphino)benzene 1,2-Bis(diisopropylphosphino)ethane References Category:Phosphines Category:1,2-Ethanediyl compounds Category:Organic compounds with 2 carbon atoms