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Acta Cryst. (2012). E68, o178  [ doi:10.1107/S1600536811052299 ]

6'-Bromo-1'H-spiro[cyclohexane-1,2'-pyrido[2,3-d]pyrimidin]-4'(3'H)-one

L. Yang, D. Shi, S. Chen, H. Chai and J. Li

Abstract: The title compound, C12H14BrN3O, is built up from two fused six-membered rings and one six-membered ring linked through a spiro C atom. The hydropyrimidine ring has an envelope conformation and the cyclohexane ring is in a chair conformation. In the crystal, molecules are linked by N-H...O and N-H...N hydrogen bonds, forming a molecular tape along the b axis.

Online 21 December 2011


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