2-Hydroxy-1-methoxyxanthen-9-one monohydrate
نویسندگان
چکیده
In the title compound, C(14)H(10)O(4)·H(2)O, isolated from the roots of Calophyllum membranaceum, the xanthene ring system is almost planar (r.m.s. deviation = 0.008 Å). In the crystal structure, inter-molecular O-H⋯O and O-H⋯(O,O) hydrogen bonds connect the mol-ecules.
منابع مشابه
2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-hydroxymethyl-2-methylenecyclopentyl]-1,9-dihydro-6H-purin-6-one monohydrate
In the crystal of the title compound, C(12)H(15)N(5)O(3)·H(2)O, the component species are linked by N-H⋯N, N-H⋯O, O-H⋯N and O-H⋯O hydrogen bonds, forming a three-dimesnional network.
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متن کامل(E)-4-Hydroxy-N′-(2-hydroxy-4-methoxybenzylidene)benzohydrazide monohydrate
The Schiff base mol-ecule of the title compound, C(15)H(14)N(2)O(4)·H(2)O, adopts a trans configuration with respect to the C=N double bond; the Schiff base itself is almost planar (r.m.s. deviation for all non-H atoms = 0.040 Å). The amido N atom is the hydrogen-bond donor to the water mol-ecule, which is the hydrogen-bond donor to the hydr-oxy groups of two neighboring mol-ecules. One of the ...
متن کامل9-[4-Hydroxy-3-(hydroxymethyl)butyl]guanine monohydrate
In the mol-ecular structure of the title compound, also named penciclovir monohydrate, C(10)H(15)N(5)O(3)·H(2)O, the 4-hydr-oxy-3-hydroxy-methyl-but-1-yl group is connected to guanine through an N atom of the imidazole ring. Water mol-ecules stabilize the mol-ecular packing by forming O-H⋯O hydrogen bonds. A three-dimensional network is generated via inter-molecular N-H⋯N, N-H⋯O, O-H⋯N and O-H⋯...
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