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2-(3-Cyano-4-{7-[1-(2-hy-droxy-eth-yl)-3,3-dimethyl-indolin-2-yl-idene]hepta-1,3,5-trien-yl}-5,5-dimethyl-2,5-dihydro-furan-2-yl-idene)malononitrile.

ABSTRACT: The title compound, C(29)H(28)N(4)O(2), excluding the hydroxyethyl and methyl groups, is slightly twisted from planarity so that the terminating indol-2-yl-idene and furan-2-yl-idene moiety planes subtend a dihedral angle of 6.27?(8)°. A small inwards fold in the polymethine atom chain is consistent with centrosymmetric dimer formation via O-H?N(cyano) hydrogen bonds. In the crystal, the mol-ecules pack in layers approximately parallel to the (10[Formula: see text]) plane via pairs of O-H?N and C-H?N(cyano) inter-actions.

SUBMITTER: Gainsford GJ 

PROVIDER: S-EPMC3247422 | biostudies-other | 2011 Nov

REPOSITORIES: biostudies-other

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2-(3-Cyano-4-{7-[1-(2-hy-droxy-eth-yl)-3,3-dimethyl-indolin-2-yl-idene]hepta-1,3,5-trien-yl}-5,5-dimethyl-2,5-dihydro-furan-2-yl-idene)malononitrile.

Gainsford Graeme J GJ   Bhuiyan M Delower H MD   Kay Andrew J AJ  

Acta crystallographica. Section E, Structure reports online 20111022 Pt 11

The title compound, C(29)H(28)N(4)O(2), excluding the hydroxyethyl and methyl groups, is slightly twisted from planarity so that the terminating indol-2-yl-idene and furan-2-yl-idene moiety planes subtend a dihedral angle of 6.27 (8)°. A small inwards fold in the polymethine atom chain is consistent with centrosymmetric dimer formation via O-H⋯N(cyano) hydrogen bonds. In the crystal, the mol-ecules pack in layers approximately parallel to the (10[Formula: see text]) plane via pairs of O-H⋯N and  ...[more]

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