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3-Benzoyl-4-hydr-oxy-2H-1,2-benzothia-zine 1,1-dioxide.


ABSTRACT: There are two mol-ecules in the asymmetric unit of the title compound, C(15)H(11)NO(4)S. The heterocyclic thia-zine rings in both mol-ecules adopt half-chair conformations with the S and N atoms displaced by 0.455?(4) and 0.254?(4)?Å, respectively, in one mol-ecule, and 0.480?(4) and 0.224?(5)?Å in the other, on opposite sides of the mean planes formed by the remaining ring atoms. The crystal structure is stabilized by inter-molecular N-H?O and C-H?O hydrogen bonds. In addition, intra-molecular O-H?O inter-actions are also present.

SUBMITTER: Ahmad M 

PROVIDER: S-EPMC2983842 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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3-Benzoyl-4-hydr-oxy-2H-1,2-benzothia-zine 1,1-dioxide.

Ahmad Matloob M   Siddiqui Hamid Latif HL   Rizvi Umar Farooq UF   Ahmad Saeed S   Parvez Masood M  

Acta crystallographica. Section E, Structure reports online 20100317 Pt 4


There are two mol-ecules in the asymmetric unit of the title compound, C(15)H(11)NO(4)S. The heterocyclic thia-zine rings in both mol-ecules adopt half-chair conformations with the S and N atoms displaced by 0.455 (4) and 0.254 (4) Å, respectively, in one mol-ecule, and 0.480 (4) and 0.224 (5) Å in the other, on opposite sides of the mean planes formed by the remaining ring atoms. The crystal structure is stabilized by inter-molecular N-H⋯O and C-H⋯O hydrogen bonds. In addition, intra-molecular  ...[more]

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