期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 696, 期 1, 页码 106-111出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2010.08.018
关键词
Hydrophosphinylation; Phosphorus; Palladium; Regioselectivity; Alkynes
资金
- National Science Foundation [CHE-0953368]
- Division Of Chemistry [0953368] Funding Source: National Science Foundation
The regioselectivity of the palladium-catalyzed hydrophosphinylation of terminal alkynes was investigated. Complementary conditions to achieve the predominant formation of either the linear or the branched alkenyl-H-phosphinate products were identified. With Pd/xantphos in acetonitrile, the linear isomer is generally obtained with good to excellent selectivity, and E-stereospecificity. On the other hand, by using Pd/dppf in the non-polar solvent toluene, good selectivity for the branched alkenyl-H-phosphinate is typically observed. The role of various reaction parameters is studied. (C) 2010 Elsevier B.V. All rights reserved.
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