(E)-16-(4-Chlorobenzylidene)estrone
نویسندگان
چکیده
In the title compound, C25H25ClO2, the C ring adopts a chair conformation, while the B ring approximates a half-chair conformation. The five-membered ring D has a twist con-form-ation on the C-C bond fused with the C ring. Aromatic rings A and E are not coplanar, as evidenced by the dihedral angle of 7.51 (1)°. In the crystal, O-H⋯O hydrogen bonds form a double chain along the ab plane inter-connected by C-H⋯O inter-actions.
منابع مشابه
(E)-N-(4-Chlorobenzylidene)-5-(4-methylphenyl)-1,3,4-thiadiazol-2-amine
The title compound, C(16)H(12)ClN(3)S, was synthesized by the reaction of 5-(4-methyl-phen-yl)-1,3,4-thia-diazol-2-amine and 4-chloro-benzaldehyde. The thia-diazole ring is essentially planar with mean deviation of 0.0042 Å.
متن کامل(E)-2-(4-Chlorobenzylidene)indan-1-one
In the title compound, C(16)H(11)ClO, the dihedral angle between the almost planar dihydro-indene ring system (r.m.s. deviation = 0.009 Å) and the chloro-benzene ring is 3.51 (14)°. In the crystal, mol-ecules are connected by C-H⋯O and weak C-H⋯Cl inter-actions, forming infinite layers parallel to (101).
متن کامل2-[(4-Chlorobenzylidene)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carbonitrile
In the title compound, C(16)H(13)ClN(2)S, the dihedral angle between the 4-chloro-benzaldehyde moiety and the heterocyclic five-membered ring is 7.21 (17)°. In the crystal, mol-ecules are linked by weak C-H⋯π inter-actions, generating [100] chains.
متن کاملN′-(4-Chlorobenzylidene)-2-[4-(methylsulfanyl)phenyl]acetohydrazide
In the title compound, C(16)H(15)ClN(2)OS, the hydrazine group is twisted slightly: the C-N-N-C torsion angle is 175.46 (13)°. The dihedral angle between the two terminal aromatic rings is 87.01 (8)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds generate R(2) (2)(8) loops. The dimers are further linked by weak C-H⋯π inter-actions.
متن کاملN-[(E)-4-Chlorobenzylidene]-2,4-dimethylaniline
The title mol-ecule, C(15)H(14)ClN, exists in a trans configuration with respect to the C=N bond [1.2813 (16) Å]. The dihedral angle between the benzene rings is 52.91 (6)°. The crystal structure is stabilized by weak inter-molecular C-H⋯π inter-actions.
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