Simple solution-phase syntheses of tetrahalodiboranes(4) and their labile dimethylsulfide adducts.

Authors :: Arrowsmith M
Böhnke J
Braunschweig H
Deißenberger A
Dewhurst RD
Ewing WC
Hörl C
Mies J
Muessig JH
Source :: Chemical communications (Cambridge, England) [Chem Commun (Camb)] 2017 Jul 20; Vol. 53 (59), pp. 8265-8267.
Publication Year :: 2017
Abstract: Convenient solution-phase syntheses of tetrahalodiboranes(4) B <subscript>2</subscript> F <subscript>4</subscript> , B <subscript>2</subscript> Cl <subscript>4</subscript> and B <subscript>2</subscript> I <subscript>4</subscript> are presented herein from common precursor B <subscript>2</subscript> Br <subscript>4</subscript> . In addition, the dimethylsulfide adducts B <subscript>2</subscript> Cl <subscript>4</subscript> (SMe <subscript>2</subscript> ) <subscript>2</subscript> and B <subscript>2</subscript> Br <subscript>4</subscript> (SMe <subscript>2</subscript> ) <subscript>2</subscript> are conveniently prepared in one-step gram and multigram scale syntheses from the commercially-available starting material B <subscript>2</subscript> (NMe <subscript>2</subscript> ) <subscript>4</subscript> . The results provide simple access to the full range of tetrahalodiboranes(4) for the exploration of their untapped synthetic potential.

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