Abstract
The title compound, C24H30BNSi (I), is an asymmetric 1,2,3,6-tetrahydro-1,2-azaborinine consisting of a BN-substituted cyclohexadiene analog with a B-anthracenyl substituent. A ring-closing metathesis with subsequent substitution of the obtained BCl 1,2-azaborinine using anthracenyl lithium yielded the title compound I. The asymmetric unit (Z = 8) belongs to the orthorhombic space group Pbca and shows an elongated N—C bond compared to previously reported BN-1,4-cyclohexadiene [Abbey et al. (2008) J. Am. Chem. Soc.
130, 7250–7252]. The primarily contributing surface interactions are H...H and C...H/H...C (as elucidated by Hirshfeld surface analysis) which are dominated by van der Waals forces. Moreover, the non-aromatic BN heterocycle and the protecting group exhibit intra- and intermolecular C—H...π interactions, respectively, with the anthracenyl substituent.
Funder
Deutsche Forschungsgemeinschaft
Publisher
International Union of Crystallography (IUCr)
Subject
Condensed Matter Physics,General Materials Science,General Chemistry