ruthenium trichloride; triphenylphosphine; tin(ll) chloride in 1,4-dioxane; acetone T=180°C; Condensation; 20 h; Title compound not separated from byproducts;
参考文献
Cho, Chan Sik; Oh, Byoung Ho; Shim, Sang Chul
Journal of Heterocyclic Chemistry, 1999 , vol. 36, # 5 p. 1175 - 1178