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5-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetra-hydropyrimidin-5-yl)-1,3-dimethyl-1H-chromeno[2,3-d]pyrim-idine-2,4(3H,5H)-dione 3.5-hydrate.

ABSTRACT: The title compound, C19H19N5O5·3.5H2O, crystallizes with 3.5 mol-ecules of water in the asymmetric unit, one of which lies on a mirror plane. One of the water mol-ecules links the mol-ecules, forming centrosymmetric dimers. These dimers are then linked through further N-H?O and O-H?O hydrogen bonding, leading to the observed three-dimensional structure.

SUBMITTER: Roy S 

PROVIDER: S-EPMC3685110 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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5-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetra-hydropyrimidin-5-yl)-1,3-dimethyl-1H-chromeno[2,3-d]pyrim-idine-2,4(3H,5H)-dione 3.5-hydrate.

Roy Subhadip S   Das Subrata S  

Acta crystallographica. Section E, Structure reports online 20130525 Pt 6

The title compound, C19H19N5O5·3.5H2O, crystallizes with 3.5 mol-ecules of water in the asymmetric unit, one of which lies on a mirror plane. One of the water mol-ecules links the mol-ecules, forming centrosymmetric dimers. These dimers are then linked through further N-H⋯O and O-H⋯O hydrogen bonding, leading to the observed three-dimensional structure. ...[more]

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