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Acta Cryst. (2013). C69, 1553-1556  [ doi:10.1107/S0108270113031661 ]

Transannular S...N inter­actions in 10-ethynyl-10H-pheno­thia­zine 5-oxide and 5,5-dioxide

S. Umezono, S. Ikeda and T. Okuno

Synopsis: The title compounds are oxidation products of the parent compound 10-ethynyl-10H-pheno­thia­zine and differ with respect to transannular S...N inter­actions, the intra­molecular S...N contact being shorter in the dioxide.

Formula: C14H9NOS and C14H9NO2S

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