(E)-N′-{7-Methoxyspiro[chromeno[4,3-d]thiazole-4,1′-cyclohexan]-2-yl}-N,N-dimethylacetimidamide
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چکیده
منابع مشابه
(E)-N′-{7-Methoxyspiro[chromeno[4,3-d]thiazole-4,1′-cyclohexan]-2-yl}-N,N-dimethylacetimidamide
In the chromenothia-zole ring system of the title mol-ecule, C(20)H(25)N(3)O(2)S, the pyran ring is in a half-chair conformation. The dihedral angle between the thia-zole and benzene rings is 14.78 (6)°. The cyclo-hexane ring is in a chair conformation. The crystal structure is stabilized by weak inter-molecular C-H⋯N and C-H⋯O hydrogen bonds.
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In the title compound, C21H19ClN2O2, the benzene ring and the naphthalene ring system are oriented at a dihedral angle of 65.24 (10)°. In the crystal, N-H⋯O, C-H⋯N and C-H⋯O hydrogen bonds link the mol-ecules, forming chains along the b-axis direction. Further C-H⋯O hydrogen bonds link the chains, forming corrugated sheets lying parallel to (10-1).
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In the crystal of the centrosymmetric title compound, C(20)H(20)N(2)S(2), mol-ecules are linked by head-to-tail C-H⋯N hydrogen bonds, resulting in chains extending along the a axis. Three additional C-H⋯π inter-molecular inter-actions give rise to a herringbone packing motif which extends along the c axis. The C-H⋯N inter-actions provide links between the sheets.
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The asymmetric unit of the title compound, C(16)H(16)N(4)O(2)S, contains two mol-ecules (A and B) with similar conformations: the benzene rings are oriented at dihedral angles of 80.94 (10)° and 84.54 (10)° with their adjacent 1H-benzimidazole groups. In the crystal, the mol-ecules are connected by N-H⋯N hydrogen bonds, forming separate C(4) chains of both the A and B mol-ecules along [010]. Th...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811040359