H. Fun, Jia Hao Goh, Haitao Yu
Mar 3, 2010
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
In the title isoquinolinedione derivative, C16H16N2O4, the piperidine ring in the tetrahydroisoquinoline unit adopts a half-boat conformation. The essentially planar oxazole ring [maximum deviation = 0.004 (2) Å] is inclined at a dihedral angle of 36.00 (8)° to the tetrahydroisoquinoline unit. In the crystal structure, pairs of intermolecular C—H⋯O and O—H⋯N interactions link the molecules into chains incorporating R 2 2(9) ring motifs. Two neighbouring chains are further interconnected by intermolecular C—H⋯O interactions into chains two molecules wide along the a axis.