Crystal and Molecular Structure of Pyrazol-3-one Derivatives. II. 5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one
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概要
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The molecular and crystal structure of 5-amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one was examined by the X-ray diffraction method to establish the predominant tautomeric form (the CH-form) due to the pyrazol-3-one ring. In the crystal, the molecules are linked by the intermolecular hydrogen bond between the NH_2 and C=O groups to form four hydrogen bonds with three adjacent molecules. The title compound, C_9H_9N_3O crystallizes in space group P2_1/a with lattice parameters a=10.187 (5), b=11.481 (4), c=7.392 (4) Å, β=102.43 (5)°, and Z=4.
- 公益社団法人日本薬学会の論文
- 1984-01-25
著者
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安岡 則武
Institute For Protein Research Osaka University.
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木邑 道夫
京都大学医学部附属病院
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木邑 道夫
Department Of Pharmacy Kyoto University Hospital
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木邑 道夫
Niigata College of Pharmacy
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岡林 一蔵
Niigata College of Pharmacy
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