1,3-Dicyclohexyl-1-isonicotinoylurea monohydrate
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چکیده
The title organic compound, C(19)H(27)N(3)O(2)·H(2)O, was synthesized from methyl-ene dicyclo-hexyl-amine, 4-pyridine-carboxylic acid and N,N'-dicyclo-hexyl-carbodiimide. The water molecule is involved in inter-molecular hydrogen bonds, linking symmetry-related urea mol-ecules into a two-dimensional supra-molecular ladder-like structure.
منابع مشابه
1,3-Dicyclohexyl-3-[(pyridin-2-yl)carbonyl]urea monohydrate from synchrotron radiation
The title urea derivative crystallizes as a monohydrate, C(19)H(27)N(3)O(2)·H(2)O. The central C(3)N grouping is almost planar (r.m.s. deviation = 0.0092 Å), and the amide and pyridine groups are substanti-ally twisted out this plane [dihedral angles = 62.80 (12) and 34.98 (10)°, respectively]. Supra-molecular double chains propagating along the b-axis direction feature in the crystal packing w...
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In the title compound, C(20)H(27)N(3)O(4), both cyclo-hexane rings adopt chair conformations. The benzene ring and the amide group are oriented at a dihedral angle of 62.1 (2)°. In the crystal structure, inter-molecular N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into chains propagating in [010], which contain R(2) (2)(12) ring motifs.
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In the title compound, C(14)H(11)N(3)O(3)·H(2)O, the planar [maximum deviation 0.135 (1) Å] 1,3-benzodioxole ring system is oriented at a dihedral angle of 13.93 (7)° with respect to the pyridine ring. Extensive inter-molecular N-H⋯O, O-H⋯O, O-H⋯N and weak C-H⋯O hydrogen bonding is present in the crystal structure.
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