Browsing by Subject "5,5' diphenyl 3,3' bi(1h pyrazole) 4,4' dicarbonitrile"
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(2009)The conversion of isothiazoles into pyrazoles on treatment with hydrazine is investigated. The influence of various C-3, C-4 and C-5 isothiazole substituents and some limitations of this ring transformation are examined. ...