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4-(2,7-Dimethyl-4-oxo-1,3-thia-zolo[4,5-d]pyridazin-5-yl)benzene-sulfonamide.

ABSTRACT: The thia-zole-pyridazine fused-ring system of the title compound, C(13)H(12)N(4)O(3)S(2), is approximately planar (r.m.s. deviation = 0.037?Å); the benzene ring connected to the fused-ring system through the N atom is twisted by 39.3?(1)°. The amine group uses an H atom to form a hydrogen bond to the ketonic O atom of an inversion-related mol-ecule to generate a dimer; adjacent dimers are linked by an N-H?O hydrogen bond to form a linear chain.

SUBMITTER: Asiri AM 

PROVIDER: S-EPMC3151867 | biostudies-other | 2011 Jul

REPOSITORIES: biostudies-other

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4-(2,7-Dimethyl-4-oxo-1,3-thia-zolo[4,5-d]pyridazin-5-yl)benzene-sulfonamide.

Asiri Abdullah M AM   Faidallah Hassan M HM   Ng Seik Weng SW  

Acta crystallographica. Section E, Structure reports online 20110618 Pt 7

The thia-zole-pyridazine fused-ring system of the title compound, C(13)H(12)N(4)O(3)S(2), is approximately planar (r.m.s. deviation = 0.037 Å); the benzene ring connected to the fused-ring system through the N atom is twisted by 39.3 (1)°. The amine group uses an H atom to form a hydrogen bond to the ketonic O atom of an inversion-related mol-ecule to generate a dimer; adjacent dimers are linked by an N-H⋯O hydrogen bond to form a linear chain. ...[more]

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