Alkali Metal Catalyzed Dehydro-coupling of Boranes and Amines Leading to the Formation of B-N Bond

Panda, Tarun K and A, Harinath and Anga, S (2016) Alkali Metal Catalyzed Dehydro-coupling of Boranes and Amines Leading to the Formation of B-N Bond. RSC Advances, 6. pp. 35648-35653. ISSN 2046-2069

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Abstract

In this report we describe the catalytic B-N bond formation via cross-dehydrocoupling (CDC) of boranes with amines to construct aminoboranes with high degree conversion (>90%) and chemo-selectivity using alkali metal hexamethyldisilazides [MN(SiMe3)2] (M = Li, and K) as pre-catalysts. It was observed that the lithium and potassium hexamethyldisilazides proved to be an effective pre-catalyst for aliphatic primary, secondary amines, aromatic primary, and substituted amines. The catalyzed cross-dehydrocoupling reaction using [MN(SiMe3)2] (M = Li and K) as pre-catalyst displayed a broad substrate scope. Pinacolborane smoothly reacted with a number of aliphatic and aromatic amines under ambient conditions whereas a prolonged reaction time of around 8-12 hours was required for 9-BBN to undergo CDC reactions.

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IITH Creators:
IITH CreatorsORCiD
Panda, Tarun Khttp://orcid.org/0000-0003-0975-0118
Item Type: Article
Subjects: Chemistry
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 11 Apr 2016 04:10
Last Modified: 07 Sep 2017 10:44
URI: http://raiith.iith.ac.in/id/eprint/2267
Publisher URL: https://doi.org/10.1039/C6RA04125F
OA policy: http://www.sherpa.ac.uk/romeo/issn/2046-2069/
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