A novel rearrangement of 1-aryl-3-(5-chloro-1,3-diphenyl-1H-4-pyrazolyl)-2,3-epoxy-1-propanones
El-Shekeil,A.G;Babaqi,A.S;Hassan,M.A;Shiba,S.A
Acta Chimica Sinica . 1988, (7): 724 -726 .