Racemic 5-(4-chloro­phenyl)-2-methoxy­indeno­[1′,2′:2,3]­pyrido­[5,6-d]­pyrimidine-4,6(3H,5H)-dione–di­methyl­form­amide (1/1) and (5RS,5aSR,10bSR)-10b-hydroxy-2-methoxy-5-(4-methoxy­phenyl)-5a,10b-di­hydro­indeno­[1′,2′:2,3]­pyrido­[5,6-d]­pyrimidine-4,6(3H,5H)-dione–dimethyl­form­amide (1/1): chains of rings generated by N—H⋯O and C—H⋯π(arene) hydrogen bonds

Low, J.N.; Cobo, J.; Cisneros, C.; Quiroga, J.; Glidewell, C.

doi:10.1107/S0108270104001489

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 5
Part of the crystal structure of (II

), showing the formation of a centrosymmetric four-molecule aggregate. For clarity, H atoms bonded to C atoms have been omitted. Atoms marked with an asterisk (*) are at the symmetry position (1 − x, 1 − y, 1 − z).

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 60| Part 3| February 2004| Pages o186-o190

doi:10.1107/S0108270104001489

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