cis / trans  Isomerization of Phosphinesulfonate Palladium(II) Complexes | Zendy

Conley Matthew P. | Zendy; Jordan Richard F. | Zendy

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cis / trans Isomerization of Phosphinesulfonate Palladium(II) Complexes

Author(s) -

Conley Matthew P.,

Jordan Richard F.

Publication year - 2011

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201100065

Subject(s) - isomerization , olefin fiber , ligand (biochemistry) , pyridine , chemistry , catalysis , palladium , cis–trans isomerism , polymerization , medicinal chemistry , stereochemistry , organic chemistry , biochemistry , receptor , polymer

With a little help from a friend : Chain growth in olefin polymerization by [{PO}PdR] catalysts is believed to occur by unimolecular cis ‐ P , R ‐ to trans ‐ P , R ‐[{PO}PdR(olefin)] isomerization, with subsequent insertion. Studies with [{PO}Pd(py) 2 ] + (py=pyridine) and non‐equilibrium cis / trans mixtures of [{PO}PdClP(O‐ o ‐tolyl) 3 ] indicate that an external ligand is necessary for cis / trans isomerization of {PO}Pd complexes (see scheme). {PO}=2‐Phosphinosulfonate.

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