Ethyl 2-(4-methylbenzoyl)-2,3-dihydro-1H-indene-2-carboxylate
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چکیده
منابع مشابه
Ethyl 2-(4-methylbenzoyl)-2,3-dihydro-1H-indene-2-carboxylate
The title compound, C20H20O3, contains two fused rings with a quaternary carbon centre connecting p-toluoyl and eth-oxy-carbonyl groups. The dihedral angle between the fused benzene ring and the three-C-atom plane (derived from O=C-C-C=O) is 82.5 (4)°, whereas the dihedral angle between the planes of the benzene rings is 53.4 (2)°. In the crystal, molecules are linked via C-H⋯Oester hydrogen bo...
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Excluding four H atoms, the molecule of the title compound, C(16)H(14)O, is almost planar, with an r.m.s. deviation of 0.0801 (2) Å. Due to p-π conjugation, the lengths of the two single bonds attached to the O atom are significantly different.
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The seven-membered ring in the title compound, C(19)H(18)N(2)O(3), adopts a boat conformation with the two phenyl-ene C atoms representing the stern and the methyl-ene C atom the prow. The dihedral angle between the best plane through the seven-membered ring (r.m.s deviation = 0.343 Å) and the phenyl substituent is 31.9 (1)°. The dihedral angle between this best plane and the best plane through...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2013
ISSN: 1600-5368
DOI: 10.1107/s1600536813005801