Ethyl 5-oxo-4-phenyl-5,6-dihydro-4H-1,3,4-oxadiazine-2-carboxylate

K. Shubakara; Chandra; N. Srikantamurthy; M. Mahendra; K. B. Umesha

doi:10.1107/S1600536814011106

Acta Crystallographica Section E (Jun 2014)

Ethyl 5-oxo-4-phenyl-5,6-dihydro-4H-1,3,4-oxadiazine-2-carboxylate

K. Shubakara,
Chandra,
N. Srikantamurthy,
M. Mahendra,
K. B. Umesha

Affiliations

K. Shubakara: Department of Chemistry, Yuvaraja's College, University of Mysore, Mysore 570 005, India
Chandra: Department of Studies in Physics, Manasagangotri, University of Mysore, Mysore 570 006, India
N. Srikantamurthy: Department of Chemistry, Yuvaraja's College, University of Mysore, Mysore 570 005, India
M. Mahendra: Department of Studies in Physics, Manasagangotri, University of Mysore, Mysore 570 006, India
K. B. Umesha: Department of Chemistry, Yuvaraja's College, University of Mysore, Mysore 570 005, India

DOI: https://doi.org/10.1107/S1600536814011106
Journal volume & issue: Vol. 70, no. 6
pp. o661 – o661

Abstract

Read online

The asymmetric unit of title compound, C12H12N2O4, consists of two independent molecules. In each molecule, the oxadiazine ring has a flattened envelope conformation with the methylene C atom as the flap atom, and the ethoxycarbonyl unit is in a syn-periplanar conformation with respect to the oxadiazine ring as indicated by O—C—C=O torsion angles of 1.9 (4) and 2.5 (4)°. The dihedral angles between the mean plane of the oxadiazine ring and the phenyl ring are 80.07 (13) and 42.98 (14)°. In the crystal, molecules are linked by C—H...O hydrogen bonds and stacked in a double-column along the a-axis direction.

Published in Acta Crystallographica Section E

ISSN: 1600-5368 (Online)
Publisher: International Union of Crystallography
Country of publisher: United Kingdom
LCC subjects: Science: Chemistry: Crystallography
Website: https://journals.iucr.org/e/

About the journal