Acta Cryst. (2006). E62, o1679-o1681  [ doi:10.1107/S1600536806011500 ]

Ethyl 1-[5-amino-1-tert-butyl-3-(methylsulfanyl)-1H-pyrazole-4-carbonyl]-5-methyl-3-(methylsulfanyl)-1H-pyrazole-4-carboxylate

J.-F. Li, H.-B. Song, Y.-Q. Zhu and H.-Z. Yang

Abstract: The title molecule, C₁₇H₂₅N₅O₃S₂, belongs to the family of bis-heterocycles. In the crystal structure, there are one intra- and two intermolecular hydrogen bonds. One of the two pyrazole rings and the six-membered ring formed by the intramolecular hydrogen bond are approximately coplanar.

Online 5 April 2006

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