Art

J-GLOBAL ID：200902250623266581   Reference number：05A0448514

Stereoselective alkenylation of a 1,3-disubstituted pyrazol-5-one through ring transformation of 2H-pyran-2-ones.

2H-ピラン-2-オン類の環変換を経る1,3-二置換ピラゾール-5-オンの立体選択的アルケニル化

Author (5)： SIL Diptesh (Central Drug Res. Inst., Lucknow, IND) ,  KUMAR Rishi (Central Drug Res. Inst., Lucknow, IND) ,  SHARON Ashoke (Central Drug Res. Inst., Lucknow, IND) ,  MAULIK Prakas R (Central Drug Res. Inst., Lucknow, IND) ,  RAM Vishnu Ji (Central Drug Res. Inst., Lucknow, IND)
Material： Tetrahedron Letters  (Tetrahedron Lett)
Volume： 46  Issue： 22  Page： 3807-3809  Publication year： May. 30, 2005 
JST Material Number： E0366A  ISSN： 0040-4039  Document type： Article
Article type： 短報  Country of issue： United Kingdom (GBR)  Language： ENGLISH (EN)

Thesaurus term： one-pot synthesis ,...

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JST classification (1)： Pyrazoles  (CF07082G)

Substance index (21)： 2-Oxo-4-(methylthio)-6-phenyl-2H-pyran-3-carboxylic acid methyl ester ,  2-Oxo-4-(methylthio)-6-(4-chlorophenyl)-2H-pyran-3-carboxylic acid methyl ester ,  2-Oxo-4-(methylthio)-6-(4-bromophenyl)-2H-pyran-3-carboxylic acid methyl ester ,  2-Oxo-4-(methylthio)-6-(3,4-dichlorophenyl)-2H-pyran-3-carboxylic acid methyl ester ,  2-Oxo-4-(methylthio)-6-(2-furanyl)-2H-pyran-3-carboxylic acid methyl ester ,  2-Oxo-4-(methylthio)-6-(2-thienyl)-2H-pyran-3-carboxylic acid methyl ester ,  3-Cyano-4-(methylthio)-6-phenyl-2H-pyran-2-one ,  3-Cyano-4-(methylthio)-6-(4-bromophenyl)-2H-pyran-2-one ,  3-Cyano-4-(methylthio)-6-(4-methoxyphenyl)-2H-pyran-2-one ,  3-Cyano-4-(methylthio)-6-(4-chlorophenyl)-2H-pyran-2-one ,  1-(3-Chlorophenyl)-3-methyl-5(4H)-pyrazolone ,  (3E,5E)-2-(Methylthio)-5-phenyl-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenoic acid methyl ester ,  (3E,5E)-2-(Methylthio)-5-(4-chlorophenyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenoic acid methyl ester ,  (3E,5E)-2-(Methylthio)-5-(4-bromophenyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenoic acid methyl ester ,  (3E,5E)-2-(Methylthio)-5-(3,4-dichlorophenyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenoic acid methyl ester ,  (3E,5E)-2-(Methylthio)-5-(2-furanyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenoic acid methyl ester ,  (3E,5E)-2-(Methylthio)-5-(2-thienyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenoic acid methyl ester ,  (3E,5E)-2-(Methylthio)-5-phenyl-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenenitrile ,  (3E,5E)-2-(Methylthio)-5-(4-bromophenyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenenitrile ,  (3E,5E)-2-(Methylthio)-5-(4-methoxyphenyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenenitrile ,  (3E,5E)-2-(Methylthio)-5-(4-chlorophenyl)-5-[1-(3-chlorophenyl)-3-methyl-5-oxo-2-pyrazoline-4-ylidene]-3-pentenenitrile

Terms in the title (5)： 2H-ピラン-2-オン ,  置換 ,  ピラゾール ,  立体 ,  アルケニル化