(2,2-Dimethyl-1,3-dioxolan-4-yl)methyl 2-[2-(2-iodo-1,3-oxazol-4-yl)-1,3-oxazol-4-yl]-1,3-oxazole-4-carboxylate 、
Tert-butyl-dimethyl-[4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-oxazol-2-yl]-1,3-oxazol-2-yl]silane 在
tris(dibenzylideneacetone)dipalladium (0) 、
potassium carbonate 、
三(邻甲基苯基)磷 作用下,
以
1,4-二氧六环 为溶剂,
以63%的产率得到(2,2-Dimethyl-1,3-dioxolan-4-yl)methyl 2-[2-[2-[2-[2-[tert-butyl(dimethyl)silyl]-1,3-oxazol-4-yl]-1,3-oxazol-4-yl]-1,3-oxazol-4-yl]-1,3-oxazol-4-yl]-1,3-oxazole-4-carboxylate