(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dicarbonitrile

Haines, Alan H. and Hughes, David L. (2013) (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dicarbonitrile. Acta Crystallographica Section E: Structure Reports Online, 69 (7). o1104. ISSN 1600-5368

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Abstract

The title compound, C7H8N2O2, formed by dehydration of the corresponding dicarboxamide, crystallizes as rectangular prisms. The molecules have a C2 axis of symmetry through the C atom bearing the methyl groups and the mid-point of the ring C-C bond, and the 1,3-dioxolane ring adopts the extreme twist conformation of the two possible with this symmetry. This brings the two nitrile groups nearest to a linear arrangement when the molecule is viewed along the ring C-C bond. The correct absolute configuration of the molecule was defined by that of the original starting material, (2R,3R)-tartaric acid. The packing is largely controlled by a number of C-HN interactions.

Item Type:	Article
Additional Information:	Published in an open access journal with a licence identical to a Creative Commons Attribution Licence; see http://journals.iucr.org/services/oa/oalicenceshort.html
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
Depositing User:	Pure Connector
Date Deposited:	27 Aug 2014 13:40
Last Modified:	25 Sep 2024 11:27
URI:	https://ueaeprints.uea.ac.uk/id/eprint/49993
DOI:	10.1107/S1600536813015973

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