A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes

Zachary X. Giustra; Gang Chen; Monica Vasiliu; Abhijeet Karkamkar; Tom Autrey; David A. Dixon; Shih-Yuan Liu

doi:10.1039/D1RA07477F

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A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes†

Zachary X. Giustra,^a Gang Chen,^a Monica Vasiliu,^b Abhijeet Karkamkar,^c Tom Autrey,^c David A. Dixon

*^b and Shih-Yuan Liu

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467-3860, USA
E-mail: shihyuan.liu@bc.edu

^b Department of Chemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0036, USA

^c Pacific Northwest National Laboratories, Richland, Washington 99353, USA

Abstract

The reaction order and Arrhenius activation parameters for spontaneous hydrogen release from cyclic amine boranes, i.e., BN-cycloalkanes, were determined for 1,2-BN-cyclohexane (1) and 3-methyl-1,2-BN-cyclopentane (2) in tetraglyme. Computational analysis identified a mechanism involving catalytic substrate activation by a ring-opened form of 1 or 2 as being consistent with experimental observations.

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DOI: https://doi.org/10.1039/D1RA07477F
Article type: Paper
Submitted: 09 Oct 2021
Accepted: 12 Oct 2021
First published: 20 Oct 2021
This article is Open Access

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RSC Adv., 2021,11, 34132-34136

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A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes

Z. X. Giustra, G. Chen, M. Vasiliu, A. Karkamkar, T. Autrey, D. A. Dixon and S. Liu, RSC Adv., 2021, 11, 34132 DOI: 10.1039/D1RA07477F

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A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes†

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A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes

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