Synthesis and Characterization of (R)‐N‐1‐Cyclohexylethylamine Borane

Author:

Turani‐I‐Belloto Kevin1,Granier Dominique2,Yot Pascal G.2,Alauzun Johan G.2,Demirci Umit B.1ORCID

Affiliation:

1. Institut Europeen des Membranes IEM – UMR 5635 Universite de Montpellier, ENSCM, CNRS 34090 Montpellier France

2. ICGM Univ. Montpellier, CNRS, ENSCM Montpellier France

Abstract

AbstractA new solid amine borane is reported here. The reaction of (R)‐(−)‐1‐cyclohexylethylamine (a liquid at room temperature) with borane dimethylsulfide yields crystals of pure (R)‐N‐1‐cyclohexylethylamine borane C6H11CH(CH3)NH2BH3 (CHEAB). The successful synthesis was confirmed by molecular analyses (FTIR, Raman and NMR). The crystals are in the form of millimeter‐sized translucent sticks, which allowed determining that CHEAB crystallizes in the orthorhombic system, the space group being P212121. All of the characterization results, together with DFT calculations, strongly suggest the occurrence of intermolecular dihydrogen bonds between antiparallel NH2BH3 groups that are in a trimeric configuration.

Publisher

Wiley

Subject

General Chemistry

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