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3-(6-Bromo-4-oxo-4H-chromen-3-yl)-3,4-dihydro-2H-1,2,4-benzothia-diazine-1,1-dione.

ABSTRACT: The mol-ecular structure of the title compound, C(16)H(11)BrN(2)O(4)S, is very similar to that of the previously reported fluoro analogue [al-Rashida et al. (2010 ?). Acta Cryst. E66, o2707]. The mean planes of the bicyclic chromone system and the benzene ring of the benzothia-diazine derivative make a dihedral angle of 58.23?(8)°. An intra-molecular N-H?O hydrogen bond occurs. In the crystal, mol-ecules are linked into layers by N-H?O and C-H?O hydrogen bonds, generating an infinite two-dimensional network.

SUBMITTER: Al-Rashida M 

PROVIDER: S-EPMC3011492 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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3-(6-Bromo-4-oxo-4H-chromen-3-yl)-3,4-dihydro-2H-1,2,4-benzothia-diazine-1,1-dione.

Al-Rashida Mariya M   Nagra Saeed Ahmad SA   Khan Islam Ullah IU   Kostakis George G   Abbas Ghulam G  

Acta crystallographica. Section E, Structure reports online 20101106 Pt 12

The mol-ecular structure of the title compound, C(16)H(11)BrN(2)O(4)S, is very similar to that of the previously reported fluoro analogue [al-Rashida et al. (2010 ▶). Acta Cryst. E66, o2707]. The mean planes of the bicyclic chromone system and the benzene ring of the benzothia-diazine derivative make a dihedral angle of 58.23 (8)°. An intra-molecular N-H⋯O hydrogen bond occurs. In the crystal, mol-ecules are linked into layers by N-H⋯O and C-H⋯O hydrogen bonds, generating an infinite two-dimensi  ...[more]

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