2-Amino-5-chloropyridinium (Z)-3-carboxyprop-2-enoate 0.25-hydrate
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2-Amino-5-chloropyridinium (Z)-3-carboxyprop-2-enoate 0.25-hydrate
In the title hydrated salt, C(5)H(6)ClN(2) (+)·C(4)H(3)O(4) (-)·0.25H(2)O, the water O atom lies on a twofold axis with 0.25 occupancy. The 2-amino-5-chloro-pyridinium cation is almost planar, with a maximum deviation of 0.015 (3) Å. In the hydrogen malate anion, an intra-molecular O-H⋯O hydrogen bond generates an S(7) ring and results in a folded conformation. In the crystal, the protonated N ...
متن کامل[3-(5-Hydroxy-5H-dibenzo[a,d]cyclohepten-5-yl)propyl]dimethylammonium 3-carboxyprop-2-enoate
In the cation of the title salt, C(20)H(24)NO(+)·C(4)H(3)O(4) (-), the N atom in the dimethyl-ammonium group is protonated. The dihedral angle between the mean planes of the two six-membered rings fused to the cyclo-hepten-5-yl ring is 54.4 (1)°. An intra-molecular O-H⋯O hydrogen bond occurs in the anion. The crystal packing is stabilized by inter-molecular O-H⋯O and N-H⋯(O,O) hydrogen bonds an...
متن کامل2-Amino-5-bromopyridinium 3-carboxyprop-2-enoate
In the title salt, C(5)H(6)BrN(2) (+)·C(4)H(3)O(4) (-), the 2-amino-5-bromo-pyridinium cation and hydrogen maleate anion are planar, with maximum deviations from their mean planes of 0.016 (1) and 0.039 (1) Å, respectively. An intra-molecular O-H⋯O hydrogen bond generates an S(7) ring motif in the anion. In the crystal, the protonated N atom and the 2-amino group of the cation are hydrogen-bond...
متن کامل2-Ethoxyethyl (Z)-2-cyano-3-[(N-phenylcarbamoyl)amino]prop-2-enoate
The crystal structure of the title compound, C(15)H(17)N(3)O(4), is stabilized by inter-molecular N-H⋯N hydrogen bonds. An intra-molecular N-H⋯O hydrogen bond also occurs.
متن کاملMethyl (Z)-2-chloro-3-(2-methoxycarbonylphenyl)prop-2-enoate
In the title compound, C(12)H(11)ClO(4), the propenoate C=C bond is in the Z configuration. The propenoate C=O and C=C groups are essentially coplanar [C=C-C=O torsion angle = 172.4 (3)°] with the O atom synperiplanar to the Cl atom. However, the π systems of the aromatic ring and chloro-propenoate substituent are not coplanar; the corresponding dihedral angle is 51.5 (1)°. The noncoplanarity i...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810033507