2-Ethyl-N-[(5-nitrothiophen-2-yl)methylidene]aniline
نویسندگان
چکیده
منابع مشابه
2-Ethyl-N-[(5-nitrothiophen-2-yl)methylidene]aniline
In the title compound, C(13)H(12)N(2)O(2)S, the dihedral angle between the benzene and thio-phene rings is 36.72 (8)°. An inter-molecular C-H⋯π inter-action contributes to the stability of the crystal structure.
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The mol-ecule of the title compound, C(8)H(10)N(2)O(2), is nearly planar [maximum deviation of 0.163 (3) Å for one of the O atoms of the NO(2) group]. In the crystal structure, weak inter-molecular N-H⋯N and C-H⋯O hydrogen bonds link the mol-ecules into chains, forming R(2) (2)(10) ring motifs.
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A novel protocol for the synthesis of 3-nitro-N-aryl/alkylthiophen-2-amines in good yields from the reaction of α-nitroketene N,S-aryl/alkylaminoacetals and 1,4-dithiane-2,5-diol in the presence of K2CO3 in refluxing ethanol is described. This transformation generates two C-C bonds in a single operation and presumably proceeds through a reaction sequence comprising 2-mercaptoacetaldehyde genera...
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In the crystal structure of the title compound, C(10)H(11)NO(5), inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains along the b-axis direction. Weak C-H.·O hydrogen bonds also occur.
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In the mol-ecule of the title compound, C(17)H(17)NO(5)S, the two aromatic rings are oriented at an angle of 30.13 (10)°. The ethyl acetate group assumes an extended conformation. Mol-ecules are linked into C(7) chains running along the a axis by inter-molecular C-H⋯O hydrogen bonds, and the chains are crosslinked via C-H⋯π inter-actions, with the sulfonyl-bound phenyl ring acting as an acceptor.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811024615