Building blocks containing multi-aryl ethers linkage in larger size for rapid building larger dendrimers were prepared with 3,5-di(4-hydroxy-phenoxy)benzyl alcohol (1) as branch monomer and 1,3,5-tri(4-hydroxy-phenoxy)benzene (2) as core molecule. Two generation of dendritic polyethers (12 and 15) were obtained by Frechet convergent approach with 3,5-diphenoxybenzyl bromide (3) as starting molecule. They were characterized firstly by H-1-NMR, C-13-NMR, and MS.