Ethyl (E)-3-hydroxy-2-[(4-methoxystyryl)carbamoyl]but-2-enoate
نویسندگان
چکیده
The title compound, C(16)H(19)NO(5), which was synthesized from p-meth-oxy-cinnamic acid, has intra-molecular O-H⋯O and N-H⋯O hydrogen-bonding inter-actions. In the crystal, mol-ecules are linked by weak C-H⋯O hydrogen bonds and aromatic π-π stacking inter-actions [minimum ring centroid-centroid separation = 3.790 (1) Å].
منابع مشابه
Ethyl (E)-3-hydroxy-2-{N-[2-(thiophen-2-yl)ethenyl]carbamoyl}but-2-enoate
In the title compound, C(13)H(15)NO(4)S, there are two independent but conformationally similar mol-ecules in the asymmetric unit, both having an E conformation of the side-chain C=C group. Intra-molecular N-H⋯O and O-H⋯O hydrogen-bonding inter-actions are present in both molecules. In the crystal, one of the mol-ecule types is linked through inter-molecular hy-droxy-ketone O-H⋯O inter-actions,...
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The title compound, C21H24O9, crystallizes with two independent mol-ecules in the asymmetric unit which are almost centrosymmetrically related to each other. The ethano-ate group in one of the two mol-ecules is disordered over two positions with a site-occupation factor of 0.880 (7) for the major occupied site. In the crystal, the 1,3-diketone group exists in the keto-enol isomeric form due to ...
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عنوان ژورنال:
دوره 68 شماره
صفحات -
تاریخ انتشار 2012