Diethyl 5-acetamido-3-methylthiophene-2,4-dicarboxylate
نویسندگان
چکیده
منابع مشابه
Diethyl 5-acetamido-3-methylthiophene-2,4-dicarboxylate
The title compound, C(13)H(17)NO(5)S, is approximately planar (r.m.s. deviation for the non-H atoms = 0.055 Å). Its conformation is stabilized by N-H⋯O and C-H⋯O hydrogen bonds, which both generate S(6) rings. The crystal packing only features van der Waals contacts.
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The structure of the title compound, C(16)H(19)N(3)O(4)S, shows the planes described by the thio-phene and the pyrroles are twisted by 17.06 (4)°. Additionally, the structure shows the azomethine bond adopts the E configuration, while the pyrrole is disordered as a heterocycle flip [occupancy ratio 0.729 (5):0.271 (5)]. The three-dimensional network is well packed and involves N-H⋯O hydrogen bo...
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In the title compound, C(23)H(25)NO(5), the lactam ring adopts an envelope conformation and both eth-oxy-carbonyl side chains show an s-cis conformation: one is nearly planar, the dihedral angle between CO(2) and OCH(2)CH(3) groups being 7.95 (14)° and the other is almost orthogonal, the C-O-C-C torsion angle being 85.33 (9)°. Dimers related by inversion symmetry are stabilized by C-H⋯O hydroge...
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In the mol-ecule of the title compound, C(10)H(10)N(2)O(5), intra-molecular C-H⋯O inter-actions result in the formation of a five- and a six-membered ring. The five-membered ring is planar and is oriented at a dihedral angle of 0.34 (3)° with respect to the plane of the aromatic ring, while the six-membered ring has a twist conformation. In the crystal structure, inter-molecular C-H⋯O inter-act...
متن کامل3-[4-(Acetamido)benzenesulfonamido]benzoic acid
In the title compound, C(15)H(14)N(2)O(5)S, the dihedral angle between the aromatic rings is 63.20 (11) Å. The crystal structure displays classical inter-molecular O-H⋯O hydrogen bonding typical for carb-oxy-lic acids, forming centrosymmetric dimers. These dimers are further connected by N-H⋯O and C-H⋯O hydrogen bonds to form an extended network.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810045629