Vinylborane formation in rhodium-catalyzed hydroboration of vinylarenes. Mechanism versus borane structure and relationship to silation

JM Brown, GC Lloyd-Jones

Index: Brown, John M.; Lloyd-Jones, Guy C. Journal of the American Chemical Society, 1994 , vol. 116, # 3 p. 866 - 878

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Citation Number: 99

Abstract

John M. Brown' and Guy C. Lloyd-Jones ... Contribution from the Dyson Perrins Laboratory, South Parks Road, Oxford OX1 3QY, England Received February 9, 1993. Revised Manuscript Received November 18, 1993” ... Abstract: Attempted catalytic hydroboration of (4-methoxypheny1)ethene 1 with R,R-3-isopropyl-4-methyl-5-phenyl- 1,3,2-0xazaborolidine 6 proceeded extremely slowly relative to the 3-methyl analog 2 derived from cpephedrine when diphosphinerhodium ...

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