rac-Ethyl 3-(3-bromo-2-thienyl)-2-oxo-6-(4-propoxyphenyl)cyclohex-3-ene-1-carboxylate
نویسندگان
چکیده
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)°.
منابع مشابه
Ethyl 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-(3-bromo-2-thienyl)-2-oxo-6-phenylcyclohex-3-ene-1-carboxylate
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.
متن کاملtert-Butyl 6-methyl-2-oxo-4-[4-(trifluoromethoxy)anilino]cyclohex-3-ene-1-carboxylate
In the title compound, C(19)H(22)F(3)NO(4), the dihedral angle between the benzene ring and the conjugated part of the enaminone ring is 42.5 (1)°. The ester substituent makes a dihedral angle of 81.3 (2)° with this latter moiety. The crystal structure is held together by strong N-H⋯O and weak C-H⋯O inter-molecular inter-actions. The enaminone ring is disordered over two orientations with relat...
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 کاملCrystal structure of ethyl (1RS,6SR)-4-(2-methyl-1H-imidazol-4-yl)-2-oxo-6-(2,3,5-trichlorophenyl)cyclohex-3-ene-1-carboxylate
The title compound, C19H17Cl3N2O3, has been prepared in a cyclo-condensation reaction between 2,3,5-tri-chloro-benzaldehye and 4-acetyl-2-methyl-1H-imidazole. The cyclo-hexenone ring adopts an envelope conformation with the C atom substituted by the tri-chloro-phenyl ring as the flap. The mutually trans ester and aryl substituents both occupy equatorial sites. In the crystal, a combination of N...
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عنوان ژورنال:
دوره 64 شماره
صفحات -
تاریخ انتشار 2008