五元与六元1,2-硼氮杂环烷烃氢释放动力学的比较
A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes.
作者信息
Giustra Zachary X, Chen Gang, Vasiliu Monica, Karkamkar Abhijeet, Autrey Tom, Dixon David A, Liu Shih-Yuan
机构信息
Department of Chemistry, Boston College Chestnut Hill Massachusetts 02467-3860 USA
Department of Chemistry, The University of Alabama Tuscaloosa Alabama 35487-0036 USA.
出版信息
RSC Adv. 2021 Oct 20;11(54):34132-34136. doi: 10.1039/d1ra07477f. eCollection 2021 Oct 18.
The reaction order and Arrhenius activation parameters for spontaneous hydrogen release from cyclic amine boranes, , 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.
测定了环胺硼烷（即BN-环烷烃）中1,2-BN-环己烷（1）和3-甲基-1,2-BN-环戊烷（2）在四甘醇二甲醚中自发释放氢气的反应级数和阿累尼乌斯活化参数。计算分析确定了一种机制，该机制涉及1或2的开环形式对底物的催化活化，这与实验观察结果一致。
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