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2-(3-Cyano-4-methyl-5,5-diphenyl-5H-furan-2-yl-idene)malono-nitrile.

ABSTRACT: The title compound, C21H13N3O, crystallizes with two independent molecules with similar conformations per asymmetric unit. The dihydrofuran rings are essentially planar with maximum deviations of 0.017?(1) and 0.006?(1)?Å for the O atoms. The dihedral angles between the di-hydro-furan ring and the attached phenyl rings are 79.90?(6) and 82.07?(6)° in one mol-ecule and 79.36?(6) and 72.26?(6)° in the other. In the crystal, the molecules are linked by weak C-H?? and C-H?N inter-actions similar to those in other closely related crystals. The replacement of appended methyl by phenyl groups has not significantly affected the dihydrofuran ring structure or the crystal packing interactions.

SUBMITTER: Bhuiyan MD 

PROVIDER: S-EPMC3884449 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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2-(3-Cyano-4-methyl-5,5-diphenyl-5H-furan-2-yl-idene)malono-nitrile.

Bhuiyan M Delower H MD   Gainsford Graeme J GJ   Kay Andrew A   Anderson Jack J  

Acta crystallographica. Section E, Structure reports online 20130803 Pt 9

The title compound, C21H13N3O, crystallizes with two independent molecules with similar conformations per asymmetric unit. The dihydrofuran rings are essentially planar with maximum deviations of 0.017 (1) and 0.006 (1) Å for the O atoms. The dihedral angles between the di-hydro-furan ring and the attached phenyl rings are 79.90 (6) and 82.07 (6)° in one mol-ecule and 79.36 (6) and 72.26 (6)° in the other. In the crystal, the molecules are linked by weak C-H⋯π and C-H⋯N inter-actions similar to  ...[more]

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