期刊
ORGANOMETALLICS
卷 28, 期 15, 页码 4266-4268出版社
AMER CHEMICAL SOC
DOI: 10.1021/om900416k
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资金
- NIGMS NIH HHS [R15 GM055987, R15 GM055987-05A1] Funding Source: Medline
The cationic ruthenium hydride complex, formed in situ from the treatement of the tetranuclear ruthenium hydride complex {[(PCy3)(CO)RuH](4)(mu(4)-O)(mu(3)-OH)(mu(2)-OH)} with HBF4 center dot OEt2, was found to be a highly effective catalyst for the intermolecular coupling reaction of arylketones and 1-alkenes to give substituted indene and ortho-C-H insertion products. The formation of the indene products resulted from the initial alkene isomerization ortho-C-H insertion of 2-alkene and dehydrative cyclization. The preliminary mechanistic studies revealed a rapid and reversible ortho-C-H bond activation followed by the rate-limiting C-C bond formation step for the coupling reaction. C-C bond formation step for the coupling reaction.
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