期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 74, 期 3, 页码 1337-1340出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo802460z
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- CNRS
The palladium-catalyzed hydrostannation of terminal arylalkynes was achieved. The regioselectivity of the H-Sn bond addition across the triple bond was found to be controlled by an ortho substituent on the aromatic ring, whatever its electronic nature, to give exclusively alpha-branched vinylstannanes 2 in accordance with Markovnikov's rule. Subsequent Stille cross-coupling reaction of 2 with a variety of aryl halides readily provided, in moderate to good yields, a family of functionalized 1,1-diarylethylenes 1.
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