RAMAZANI, A. et al. 2010. Microwave Induced Synthesis of Alkyl-2-(2-alkoxy-2- (oxoethyl)dinaphtho[2,1-d:1,2-f][1,3]-dioxepin-2- carboxylates from Stabilized Phosphorus Ylides. Asian Journal of Chemistry. 19, 2 (Mar. 2010), 1592–1594.