Ethyl 4-(3-bromo-2-thienyl)-2-oxo-6-phenylcyclohex-3-ene-1-carboxylate
نویسندگان
چکیده
The title compound, C(19)H(17)BrO(3)S, crystallizes with two mol-ecules in the asymmetric unit. The methyl group of one mol-ecule is disordered approximately equally over two positions. The dihedral angles between the thio-phene and phenyl groups are 68.5 (2) and 67.5 (2)° in the two mol-ecules.
منابع مشابه
rac-Ethyl 3-(3-bromo-2-thienyl)-2-oxo-6-(4-propoxyphenyl)cyclohex-3-ene-1-carboxylate
The racemic title compound, C(22)H(23)BrO(4)S, crystallizes with two mol-ecules in the asymmetric unit. The dihedral angles between the thio-phene and phenyl rings are 71.64 (17) and 73.41 (17)°.
متن کاملEthyl 6-(6-methoxy-2-naphthyl)-2-oxo-4-(2-thienyl)cyclohex-3-ene-1-carboxylate
The title compound, C(24)H(22)O(4)S, was prepared by reaction between (2E)-3-(6-meth-oxy-2-naphth-yl)-1-(2-thien-yl)prop-2-en-1-one and ethyl acetoacetate. In the crystal, the cyclo-hexenone ring shows a distorted half-chair conformation. The length of the double bond in the cyclohexenone ring [1.343 (4) Å] is normal.
متن کاملEthyl 4-(4-methoxyphenyl)-2-oxo-6-phenylcyclohex-3-ene-1-carboxylate
The asymmetric unit of the title compound, C(22)H(22)O(4), consists of two independent mol-ecules (A and B) which differ significantly in the orientations of ethyl carboxyl-ate groups. The phenyl ring in mol-ecule B is disordered over two orientations with occupancies of 0.55 (2) and 0.45 (2). The cyclo-hexenone ring of both mol-ecules adopts an envelope conformation. The dihedral angle between...
متن کاملEthyl 6-(6-methoxynaphthalen-2-yl)-4-(naphthalen-2-yl)-2-oxocyclohex-3-ene-1-carboxylate
The title compound, C30H26O4, contains an oxo-cyclo-hexane ring in a distorted half-chair configuration, with disorder of two C atoms in a 0.859 (4):0.141 (4) ratio. The dihedral angle between the mean planes of the two napthalene ring systems is 58.6 (8)°.
متن کاملEthyl 5-(4-chlorophenyl)-2-[(Z)-(methoxycarbonyl)methylene]-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate
The title compound, C(19)H(17)ClN(2)O(5)S, was synthesized by the reaction of ethyl 6-(4-chloro-phen-yl)-2-mercapto-4-methyl-1,6-dihydro-pyrimidine-5-carboxyl-ate and dimethyl acetyl-ene-dicarboxyl-ate in methanol. In the mol-ecule, the nearly planar thia-zole ring, with a mean deviation from the plane of 0.0108 (3) Å, is fused with a dihydro-pyrimidine ring in a flattened half-chair conformation.
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عنوان ژورنال:
دوره 64 شماره
صفحات -
تاریخ انتشار 2008