MersV1, PubMed, Corpus, bibRecord, 002051

t-3-Ethyl-r-2,c-7-bis-(4-methoxy-phen-yl)-1,4-diazepan-5-one.

Identifieur interne : 002051 ( PubMed/Corpus ); précédent : 002050; suivant : 002052

t-3-Ethyl-r-2,c-7-bis-(4-methoxy-phen-yl)-1,4-diazepan-5-one.

Auteurs : K. Ravichandran ; P. Ramesh ; S. Sethuvasan ; S. Ponnuswamy ; M N Ponnuswamy

Source :

Acta crystallographica. Section E, Structure reports online [ 1600-5368 ] ; 2009.

RBID : pubmed:21578470

Abstract

The title compound, C(21)H(26)N(2)O(3), crystallizes with two independent mol-ecules in the asymmetric unit. In both independent mol-ecules, the diazepine ring adopts a chair conformation. In the crystal, the independent mol-ecules exist as N-H⋯O hydrogen-bonded R(2) (2)(8) dimers which are linked via N-H⋯O hydrogen bonds, forming tetra-mers. The tetra-mers are linked by C-H⋯O hydrogen bonds. In one of the molecules in the asymmetric unit, the terminal C atom of the ethyl group is disordered over two positions with refined occupancies of 0.742 (4) and 0.258 (4).

DOI: 10.1107/S1600536809043311
PubMed: 21578470

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Le document en format XML

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<front><div type="abstract" xml:lang="en">The title compound, C(21)H(26)N(2)O(3), crystallizes with two independent mol-ecules in the asymmetric unit. In both independent mol-ecules, the diazepine ring adopts a chair conformation. In the crystal, the independent mol-ecules exist as N-H⋯O hydrogen-bonded R(2) (2)(8) dimers which are linked via N-H⋯O hydrogen bonds, forming tetra-mers. The tetra-mers are linked by C-H⋯O hydrogen bonds. In one of the molecules in the asymmetric unit, the terminal C atom of the ethyl group is disordered over two positions with refined occupancies of 0.742 (4) and 0.258 (4).</div>
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t-3-Ethyl-r-2,c-7-bis-(4-methoxy-phen-yl)-1,4-diazepan-5-one.

t-3-Ethyl-r-2,c-7-bis-(4-methoxy-phen-yl)-1,4-diazepan-5-one.

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Abstract

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