Solid-State and Dynamic Solution Behavior of a Cationic, Two-Coordinate Gold(I) π-Allene Complex | Zendy

Timothy J. Brown | Zendy; Atsushi Sugie | Zendy; M.G. Dickens | Zendy; Ross A. Widenhoefer | Zendy

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Solid-State and Dynamic Solution Behavior of a Cationic, Two-Coordinate Gold(I) π-Allene Complex

Author(s) -

Timothy J. Brown,

Atsushi Sugie,

M.G. Dickens,

Ross A. Widenhoefer

Publication year - 2010

Publication title -

organometallics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.231

H-Index - 172

eISSN - 1520-6041

pISSN - 0276-7333

DOI - 10.1021/om100688t

Subject(s) - allene , chemistry , cationic polymerization , ligand (biochemistry) , biphenyl , yield (engineering) , nuclear magnetic resonance spectroscopy , solid state , stereochemistry , crystallography , photochemistry , polymer chemistry , organic chemistry , catalysis , thermodynamics , biochemistry , physics , receptor

The cationic gold π-allene complex {[P(t-Bu)2o-biphenyl] Au[η2-H2C=C=C(CH3)2]} +SbF6- was isolated in 98% yield from reaction of 3-methyl-1,2-butadiene with a mixture of [P(t-Bu)2o-biphenyl]AuCl and AgSbF6 and was characterized by X-ray crystallography and variable-temperature NMR spectroscopy. These studies revealed preferential binding of gold to the less substituted C=C bond of the allene in both the solid state and solution and also revealed fluxional behavior consistent with π-face exchange of the allene ligand via an η1-C2 allene intermediate or transition state. © 2010 American Chemical Society

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