期刊
ORGANOMETALLICS
卷 29, 期 19, 页码 4207-4209出版社
AMER CHEMICAL SOC
DOI: 10.1021/om100688t
关键词
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资金
- NSF [CHE-0555425]
- NCBC [2008-IDG-1010]
- Duke University NMR
- JSPS
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0911265] Funding Source: National Science Foundation
The cationic gold pi-allene complex {[P(t-Bu)(2)o-biphenyl]Au[eta(2)-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)(2)o-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 pi-face exchange of the allene ligand via an eta(1)-C2 allene intermediate or transition state.
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