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4-(1,3-Benzothia-zol-2-yl)-5-methyl-2-phenyl-1-propynyl-1H-pyrazol-3(2H)-one.

ABSTRACT: The title compound, C(20)H(15)N(3)OS, is a 1H-pyrazol-3(2H)-one having aromatic 4-(1,3-benzothia-zol-2-yl) and 2-phenyl substit-uents. The five-membered ring and the fused-ring system are close to planar, the r.m.s. deviations being 0.025 and 0.005 Å, respectively. The five-membered ring is aligned at 67.5 (1)° with respect to the phenyl ring and at 4.7 (1)° with respect to the fused-ring system. In the crystal, adjacent mol-ecules are linked through the acetyl-enic H atom by a C-H⋯O hydrogen bond into C(8) chains propagating in [010].

SUBMITTER: Chakib I

PROVIDER: S-EPMC3008972 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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4-(1,3-Benzothia-zol-2-yl)-5-methyl-2-phenyl-1-propynyl-1H-pyrazol-3(2H)-one.

Chakib Imane I Zerzouf Abdelfettah A Zouihri Hafid H Essassi El Mokhtar el M Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20101020 Pt 11

The title compound, C(20)H(15)N(3)OS, is a 1H-pyrazol-3(2H)-one having aromatic 4-(1,3-benzothia-zol-2-yl) and 2-phenyl substit-uents. The five-membered ring and the fused-ring system are close to planar, the r.m.s. deviations being 0.025 and 0.005 Å, respectively. The five-membered ring is aligned at 67.5 (1)° with respect to the phenyl ring and at 4.7 (1)° with respect to the fused-ring system. In the crystal, adjacent mol-ecules are linked through the acetyl-enic H atom by a C-H⋯O hydrogen bo ...[more]

PMID: 21589029

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1-Allyl-4-(1,3-benzothia-zol-2-yl)-5-methyl-2-phenyl-1H-pyrazol-3(2H)-one.

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1-(1,3-Benzothia-zol-2-yl)-3-phenyl-2-pyrazoline.

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4-[(5-Hydr-oxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)phenyl-meth-yl]-5-methyl-2-phenyl-1H-pyrazol-3(2H)-one ethanol hemisolvate.

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