(2E)-1-(2,5-Dimethyl-3-thienyl)-3-(2-methoxyphenyl)prop-2-en-1-one
نویسندگان
چکیده
In the title compound, C(16)H(16)O(2)S, the central propenone group is almost planar (r.m.s. deviation = 0.009 Å) and subtends dihedral angles of 8.55 (8) and 16.22 (8)° to the 2-meth-oxy-phenyl and 2,5-dimethyl-thio-phene residues, respectively. The dihedral angle between the ring systems is 23.47 (5)°. In the crystal, mol-ecules are linked by weak C-H⋯π inter-actions and aromatic π-π stacking [phenyl ring centroid-centroid separation = 3.6418 (11) Å; thio-phene-thio-phene ring separation = 3.8727 (9) Å].
منابع مشابه
(2E)-3-[4-(Dimethylamino)phenyl]-1-(2,5-dimethyl-3-thienyl)prop-2-en-1-one
The asymmetric unit of the title compound, C(17)H(19)NOS, contains two independent mol-ecules which differ in the dihedral angles between the five- and six-membered rings [12.52 (10) and 4.63 (11)°]. Weak inter-molecular C-H⋯O hydrogen bonds link the two independent mol-ecules into pseudocentrosymmetric dimers. In one mol-ecule, the O atom of the carbonyl group is disordered over two positions ...
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In the title compound, C(18)H(12)Cl(2)O(2)S, the dihedral angle between the thio-phene ring and the naphthalene ring system is 2.13 (4)°. In the crystal, pairs of weak inter-molecular C-H⋯O hydrogen bonds form centrosymmetric dimers.
متن کاملCrystal structures of (2E)-1-(3-bromothiophen-2-yl)-3-(2-methoxyphenyl)prop-2-en-1-one and (2E)-1-(3-bromothiophen-2-yl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one
In the mol-ecules of the title compounds, (2E)-1-(3-bromo-thio-phen-2-yl)-3-(2-meth-oxy-phen-yl)prop-2-en-1-one, C14H11BrO2S, (I), which crystallizes in the space group P-1 with four independent mol-ecules in the asymmetric unit (Z' = 8), and (2E)-1-(3-bromo-thio-phen-2-yl)-3-(3,4-di-meth-oxy-phen-yl)prop-2-en-1-one, C15H13BrO3S, (II), which crystallizes with Z' = 8 in the space group I2/a, the...
متن کامل(2E,2′E)-1,1′-Bis(2,5-dimethyl-3-thienyl)-3,3′-(p-phenylene)diprop-2-en-1-one
In the title bis-chalcone, C(24)H(22)O(2)S(2), the -C(O)CH=CH-C(6)H(4)-CH=CHC(O)- portion is planar (r.m.s. deviation = 0.04 Å); one thienyl ring is aligned at 8.8 (1)° with respect to this fragment, whereas the other is aligned at 21.3 (1)°.
متن کامل(E)-1-(2,5-Dichloro-3-thienyl)-3-[4-(dimethylamino)phenyl]prop-2-en-1-one
In the title compound, C(15)H(13)Cl(2)NOS, the benzene and thio-phene rings make a dihedral angle of 10.8 (1)°. The dimethyl-amino substituent and the α,β-unsaturated carbonyl group are almost coplanar with respect to the aromatic ring, forming dihedral angles of 4.73 (3)° and 5.0 (2)°, respectively. In the crystal structure, mol-ecules are connected into two-dimensional layers by weak C-H⋯Cl h...
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