Abstract The reactivity of 3-methyl-5-phenylisoxazole against electrophilic compounds in the presence of different bases is studied. With n-BuLi, alkylated products at C-4 position and C- 3 methyl group, and, in a few cases, dialkylated isoxazoles are obtained. When the reactions are carried out with LICA, the nature of the alkylated products depends on the alkyl halide used. By using LICA-TMEDA, as deprotonating system, regio-selective reaction at the C-3 ...
[Hansen, John F.; Kim, Yong In; McCrotty, Stephen E.; Strong, Scott A.; Zimmer, Douglas E. Journal of Heterocyclic Chemistry, 1980 , vol. 17, p. 475 - 479]