The reaction of 5(4H)-oxazolones with tetraethyl methanediylbis(phosphonate) afforded new 1,1-bisphosphonate and 1,1-bisphosphonic acid derivatives. Moreover, 5(4H)-oxazolones reacted with Wittig reagents to give the corresponding heterocyclic products. Treatment of 5(4H)-oxazolones with trisdialkylaminophosphanes gave the corresponding N-(1-dialkylcarbamoyl)-2-phenylvinylbenzamides. Mechanisms accounting for the formation of the new products are discussed. The biological activity of the newly synthesized compounds was also examined.
Graphical Abstract
Synthesis of New Bisphosphonate and Bisphosphonic Acid Derivatives and Heterocyclic and Dialkylcarbamoyl Oxazolone Derivatives with Anticancer and Antischistosomal Activity
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