N-(2-Furoyl)-N′-(2-pyridyl)thiourea
Identifieur interne : 002849 ( Main/Merge ); précédent : 002848; suivant : 002850N-(2-Furoyl)-N′-(2-pyridyl)thiourea
Auteurs : O. Estévez-Hernández [Cuba] ; J. Duque [Cuba] ; H. Pérez [Cuba] ; S. Santos Jr [Brésil] ; Y. Mascarenhas [Brésil]Source :
- Acta Crystallographica Section E: Structure Reports Online [ 1600-5368 ] ; 2009.
Abstract
The title compound, C11H9N3O2S, crystallizes with two independent molecules in the asymmetric unit. The central thiourea core makes dihedral angles of −3.3 (3) and 0.6 (3)° with the furan carbonyl groups in each molecule, whereas the pyridine ring is inclined by 4.63 (2) and 11.28 (7)°, respectively. The
Url:
DOI: 10.1107/S1600536809011301
PubMed: 21582630
PubMed Central: 2968930
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PMC:2968930Le document en format XML
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-(2-Furoyl)-<italic>N</italic>
′-(2-pyridyl)thiourea</title>
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<country xml:lang="fr">Brésil</country>
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<author><name sortKey="Mascarenhas, Y" sort="Mascarenhas, Y" uniqKey="Mascarenhas Y" first="Y." last="Mascarenhas">Y. Mascarenhas</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main"><italic>N</italic>
-(2-Furoyl)-<italic>N</italic>
′-(2-pyridyl)thiourea</title>
<author><name sortKey="Estevez Hernandez, O" sort="Estevez Hernandez, O" uniqKey="Estevez Hernandez O" first="O." last="Estévez-Hernández">O. Estévez-Hernández</name>
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<front><div type="abstract" xml:lang="en"><p>The title compound, C<sub>11</sub>
H<sub>9</sub>
N<sub>3</sub>
O<sub>2</sub>
S, crystallizes with two independent molecules in the asymmetric unit. The central thiourea core makes dihedral angles of −3.3 (3) and 0.6 (3)° with the furan carbonyl groups in each molecule, whereas the pyridine ring is inclined by 4.63 (2) and 11.28 (7)°, respectively. The <italic>trans</italic>
–<italic>cis</italic>
geometry of the thiourea fragment is stabilized by an intramolecular N—H⋯N hydrogen bond between the H atom of the <italic>cis</italic>
-thioamide group and the pyridine N atom. In the crystal structure, intermolecular bifurcated N—H⋯S and N—H⋯O hydrogen bonds form centrosymmetric tetramers extending along the <italic>b</italic>
axis.</p>
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