Issue 24, 1977
From the journal:

Journal of the Chemical Society, Chemical Communications

Stereospecific, transition metal-mediated synthesis of unsymmetrical cis olefinic diphosphines

David K. Johnson  and  Arthur J. Carty  

Abstract

Rigid, unsymmetrical cis olefinic diphosphines Ph2PCH[double bond, length half m-dash]C(R1)PR2R3 can be synthesised in good yields by the stereospecific addition of secondary phosphines R2R3PH across the triple bond of a phosphorus co-ordinated phosphinoacetylene in cis-MCl2(Ph2PC[triple bond, length half m-dash]CR)2(M = Pd or Pt); a fundamental change in coupling through the metal atom is responsible for the sequence of J31P–31P values (Ni>>Pd>Pt) in d8 complexes of Ph2PCH[double bond, length half m-dash]C(R1)PR2R3.

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Article information

DOI
https://doi.org/10.1039/C39770000903
Article type
Paper

J. Chem. Soc., Chem. Commun., 1977, 903-904

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Stereospecific, transition metal-mediated synthesis of unsymmetrical cis olefinic diphosphines

D. K. Johnson and A. J. Carty, J. Chem. Soc., Chem. Commun., 1977, 903 DOI: 10.1039/C39770000903

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