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2,4,6-Trimethyl-8,9-dihydro-5H,7H-pyrido[3,2-e]pyrazino[1,2-b][1,2]thiazin-5-one 11,11-dioxide

✍ Scribed by Karczmarzyk, Zbigniew ;Malinka, Wiesław

Publisher: International Union of Crystallography
Year: 2006
Tongue: English
Weight: 303 KB
Volume: 62
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536806048355

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✦ Synopsis

The structure of the title compound, C 13 H 15 N 3 O 3 S, is the first report of a structure comprising a novel pyrido [3,2]thiazine ring system. The partially saturated thiazine and pyrazine rings adopt screw-boat and sofa conformations, respectively. The crystal structure contains intermolecular N-HÁ Á ÁO hydrogen bonds, short C-HÁ Á ÁX (X = N, O) contacts andinteractions.

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2,4,6-Trimethyl-8,9-dihydro-5H,7H-pyrido[3,2-e]­pyrazino[1,2-b][1,2]thiazin-5-one 11,11-dioxide

✦ Synopsis

2,4,6-Trimethyl-8,9-dihydro-5H,7H-pyrido[3,2-e]pyrazino[1,2-b][1,2]thiazin-5-one 11,11-dioxide