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Stereoselective dehalogenation of (Z)-1-halo-1-alkenyldialkylborane with tributyltin hydride: The behavior of tributyltin hydride as a hydride donor

✍ Scribed by Masayuki Hoshi; Kimitomo Takahata; Akira Arase

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 228 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(96)02324-6

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✦ Synopsis

The reaction of (Z)-l-halo-l-alkenyldialkylborane (1) with tributyltin hydride (n-BuaSnH) at 0 *C or room temperature results in reduetive removal of the halogen atom to afford (E)-or (Z)-l-aikenyldialkylborane whose stereochemistry depends on the dialkylboryl group and the alkenyl group of 1.

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