1,2-Bis(diphenylphosphino)ethylene

Cis-1,2-bis(diphenylphosphino)ethylene.svg cis isomer 90px [(Z)-Ethene-1,2-diyl]bis(diphenylphosphane) 983-80-2 correct CAS 2114057 2015214 213-569-7 2733415 1S/C26H22P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-22H/b22-21- NCKJIJSEWKIXAT-DQRAZIAOSA-N C1=CC=C(C=C1)P(/C=C\P(C2=CC=CC=C2)C3=CC=CC=C3)C4=CC=CC=C4 26 22 2 white solid 125 07 Warning 315 319 335 261 264 271 280 302+352 304+340 305+351+338 312 321 332+313 337+313 362 403+233 405 501 cis-1,2-Bis(diphenylphosphino)ethylene (dppv) is an organophosphorus compound with the formula C2H2(PPh2)2 (Ph = C6H5). Both the cis and trans isomers are known, but the cis isomer is of primary interest. Classified as a diphosphine ligand, it is a bidentate ligand in coordination chemistry. For example it gives rise to the complex Ni(dppv)2 and the coordination polymer [Ni(dppv)]n.10.1515/znb-1993-0712 Cis-1,2-Bis(diphenylphosphino)ethen-Nickel(0)-Komplexe / Cis-1,2-Bis(diphenylphosphino)ethene Nickel(0) Complexes 1993 Proft Bernd Pörschke Klaus-Richard Zeitschrift für Naturforschung B 48 7 919–927 98395128 free As a chelating ligand, dppv is very similar to 1,2-bis(diphenylphosphino)benzene. The diphosphine is prepared by reaction of lithium diphenylphosphide with cis-dichloroethylene.10.1021/ja01065a049 A Stereospecific Route to trans- and cis-1,2-Vinylenebis(diphenylphosphine) 1964 Aguiar Adam M. Daigle Donald. Journal of the American Chemical Society 86 11 2299–2300 2LiPPh2 + C2H2Cl2 → C2H2(PPh2)2 + 2LiCl trans-1,2-Bis(diphenylphosphino)ethylene is made similarly, but using trans-dichloroethylene. References Category:Chelating agents Category:Diphosphines Category:Phenyl compounds