Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 68, Issue 18, Pages 7016-7022Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jo030096q
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Vinylphosphine-borane complexes are easily synthesized by regio- and stereoselective hydrophosphination of terminal alkynes with use of secondary phosphine-boranes as hydrophosphinating agent. The regioselectivity of the reaction is efficiently controlled by the choice of the activation process: thermal or metal catalyst activation. The vinylphosphine derivatives are purified by chromatography on silica gel. Scalability of the process is demonstrated on a gram scale. This simple route should promote the use of vinylphosphines as building blocks for organic and organometallic chemistry.
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