V. Chernyshev, N. Monakhova
Oct 16, 2010
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Journal
Journal of Chemical Sciences
Abstract
Crystal structures of five derivatives of dienediaminoketones — 3-amino-3-(dimethylamino)-2-[(3-oxo-1,3-dihydro-2H-indol-2-ylidene)methyl]acrylonitrile (1); 3-amino-2-[(3-oxo-1,3-dihydro-2Hindol-2-ylidene)methyl]-3-pyperidin-1-ylacrylonitrile (2); 3-amino-3-morpholin-4-yl-2-[(3-oxo-1,3-dihydro-2H-indol-2-ylidene)methyl]acrylonitrile (3); 3-amino-3-[(4-methoxyphenyl)amino]-2-[(3-oxo-1,3-dihydro-2H-indol-2-ylidene)methyl]acrylonitrile (4) and 3-amino-3-(benzylamino)-2-[(3-oxo-1,3-dihydro-2H-indol-2-ylidene)methyl]acrylonitrile (5) — were determined from powder patterns measured with the laboratory powder diffractometer. The single crystal structure of the hydrate of ethanol solvate of 3 — 3·0.33C2H6O·0.33H2O (3a) — is also presented. The hydrogen-bonding patterns of all compounds are discussed.