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New reactions and reagents.:VIII. A novel general synthesis of dialkylboranes and their derivatives via the transformations of dialkyl(diethylamino)boranes

Authors
Journal
Journal of Organometallic Chemistry
0022-328X
Publisher
Elsevier
Publication Date
Volume
156
Issue
1
Identifiers
DOI: 10.1016/s0022-328x(00)84867-6
Disciplines
  • Communication

Abstract

Abstract This communication describes three developments which permit convenient synthesis of dialkylboranes, dialkylborinic acids and esters, and mixed trialkylboranes from readily synthesized dialkyl(diethylamino)boranes. These reactions proceed cleanly and quantitatively. The isolation or purification of the intermediates is not necessary. These developments are: (i) the reduction of o-hydroxyphenyldialkylborinates with aluminum hydride to give the corresponding dialkylborane, (ii) the simple preparation of alkyl and aryl esters of dialkylborinic acids and of the parent dialkylborinic acids themselves, and, (iii) a convenient synthesis of the required dialkylamino)boranes.

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