5′-Amino-2-oxo-2′,3′-dihydrospiro[indoline-3,7′-thieno[3,2-b]pyran]-6′-carbonitrile 1′,1′-dioxide
نویسندگان
چکیده
منابع مشابه
5′-Amino-2-oxo-2′,3′-dihydrospiro[indoline-3,7′-thieno[3,2-b]pyran]-6′-carbonitrile 1′,1′-dioxide
In the title compound, C(15)H(11)N(3)O(4)S, the dihedral angle between the mean planes of the dihydro-indol-2-one (r.m.s. deviation = 0.015 Å) and dihydro-thieno[3,2-b]pyran (r.m.s. deviation = 0.011 Å) ring systems is 89.53 (3)°. The crytal packing is consolidated by inter-molecular N-H⋯O and N-H⋯N hydrogen bonds, which link the mol-ecules into a two-dimensional network into sheets lying paral...
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The anion of the title salt, C(6)H(9)N(2) (+)·C(6)H(4)NO(3) (-), undergoes an enol-to-keto tautomerism during the crystallization. In the crystal structure, the cation and anion are held together by a relatively short N-H⋯O hydrogen bond, and the two anions are further connected to each other by a pair of N-H⋯O hydrogen bonds with an R(2) (2)(8) ring motif, thus forming a centrosymmetric 2 + 2 ...
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In the title compound, C(12)H(17)N(3)O(2)S, the 4-methyl-2-methyl-sulfanyl-6-oxo-1,6-dihydro-pyrimidine-5-carbonitrile part of the mol-ecule is almost planar (r.m.s deviation = 0.062 Å). In the crystal, mol-ecules form centrosymmetric dimers via pairs of N-H⋯O hydrogen bonds.
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The asymmetric unit of the title compound, C(18)H(17)ClN(2)O(2)·0.5H(2)O, contains two organic mol-ecules and one solvent water mol-ecule. In each organic mol-ecule, the cyclo-hexene ring adopts an envelope conformation with the C atom connecting the two methyl groups on the flap; the 4H-pyran ring is nearly planar [maximum deviation = 0.113 (3) Å in one mol-ecule and 0.089 (3) Å in the other m...
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In the title compound, C(16)H(13)ClN(2)O(2)·C(2)H(6)O, the fused cyclo-hexene and pyran rings adopt envelope and flattened boat conformations, respectively. In the crystal, N-H⋯O and O-H⋯O hydrogen bonds link the chromene and ethanol solvent mol-ecules into infinite chains along the c axis, and N-H⋯N hydrogen bonds link these chains into a three-dimensional framework. Weak C-H⋯π inter-actions a...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810032861