Acta Cryst. (2006). E62, o1129-o1130  [ doi:10.1107/S1600536806005988 ]

3-Benzotriazol-1-yl 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

L.-Q. Jiang and F.-X. Sun

Abstract: The title compound, C₂₂H₁₉N₅O₆, is an important intermediate in the synthesis of nefidipine-type pharmaceuticals. The dihydropyridine ring has a flattened boat conformation. Molecules are linked by N-HN hydrogen bonds.

Online 24 February 2006

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