r-2,c-6-Bis(4-methoxyphenyl)-c-3,t-3-dimethyl-1-nitrosopiperidin-4-one
نویسندگان
چکیده
In the title compound, C(21)H(24)N(2)O(4), the piperidine ring adopts a distorted boat conformation. The crystal structure is stabilized by C-H⋯π inter-actions involving one of the methoxy-phenyl rings.
منابع مشابه
r-2,c-6-Bis(4-chlorophenyl)-t-3-isopropyl-1-nitrosopiperidin-4-one
In the title mol-ecule, C(20)H(20)Cl(2)N(2)O(2), the piperidine ring adopts a chair conformation and the nitroso group at position 1 has a bis-ectional orientation. The two benzene rings and the isopropyl group attached to the piperidine ring in positions 2, 6 and 3, respectively, have axial orientations. The dihedral angle between the two benzene rings is 21.56 (13)°. One of the Cl atoms is di...
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In the title mol-ecule, C(21)H(24)N(2)O(4), the piperidine ring adopts a distorted boat conformation with the ethyl substituent in the axial position. The dihedral angle between the two benzene rings is 70.25 (9)°. An intra-molecular C-H⋯O inter-action is observed. In the crystal, mol-ecules are linked into a chain along the c axis by C-H⋯O hydrogen bonds and the chains are linked via weak C-H⋯...
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Reaction of Meldrum's acid with 3,4-bis(chloromethyl)-2,5-dimethylthiophene (1) or 3,4-bis(bromomethyl)-2,5-dimethylthiophene (2) produces the kinetically favored C,O-dialkylation product, 1,3,7,7-tetramethyl-4H,10H-6,8,9-trioxa-2-thiabenz[f]azulen-5-one (4). Recrystallization of 4 from refluxing methanol results in the methanolysis product 5-(4-methoxymethyl-2,5-dimethylthiophen-3-ylmethyl)-2,...
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In the title compound, C(25)H(22)BrN(3)O(5)S, the central benzene ring makes dihedral angles of 32.02 (14), 37.49 (18) and 80.52 (13)°, respectively, with the pyrazolone ring, the bromo-benzene ring and the terminal phenyl ring. This conformation features a short intramolecular C-H⋯O contact that generates an S(6) ring. In the crystal, inversion dimers linked by pairs of C-H⋯O=C hydrogen bonds ...
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The crystal structures of two erbium(III) complexes with 4-amino-benzoic acid (4-ABAH), namely bis-(μ2-4-amino-benzoato-κ(2) O:O')bis-[bis(4-amino-benzoato-κ(2) O,O')di-aqua-erbium(III)] dihydrate, [Er2(C7H6NO2)6(H2O)4]·2H2O, (I), and 4-chloro-3-nitro-benzoic acid (CLNBAH), namely poly[hexa-kis-(μ2-4-chloro-3-nitro-benzoato-κ(2) O:O')bis-(dimethyl sulfoxide-κO)dierbium(III)], [Er2(C7H3ClNO4)6(C...
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