The pyrazole ring has attracted great attention [ 1-5 View all references ] as it has become fairly accessible, and it shows diverse properties. These heterocyclic compounds are not only interesting because of their biological activities as potential inhibitors of HIV [ 6 6. Taylor , EC ; Mckillop , A. Adv. Org. Chem. 1970 , 7 , 1 . ... View all references ] and herbicides, [ 7 7. Alfred , A. ; Helga , F. ; Rainer ; P. ; Uwe , H. ; Holger , W. ; Hermann , B. ; Thomas , A. ; Christopher , R. Ger. ...