Collect. Czech. Chem. Commun. 1989, 54, 1716-1720

Synthesis of 2-(4-aryl-2-pyrazolin-3-yl)-1,8-naphthyridines by 1,3-dipolar cycloaddition

Gurram Rama Rao, Kaleru Mogilaiah and Bathula Sreenivasulu

Department of Chemistry, Kakatiya University, Warangal 506009, India


2-(4-Aryl-2-pyrazolin-3-yl)-1,8-naphthyridines III have been prepared by the cycloaddition of diazomethane to 2-styryl-1,8-naphthyridines II. The structures of the compounds have been confirmed by elemental analyses and spectral data. All these compounds have been screened for fungicidal activity.