di(tert-butyl) 6,6'-bis(hydroxymethyl)-2,2'-bipyridine-4,4'-dipropionate 、
di(tert-butyl) 6'''-(bromomethyl)-6'-methyl-6,6''-bis<2,2'-bipyridine>-4,4'-dipropionate 在
potassium tert-butylate 作用下,
以
二氯甲烷 、
叔丁醇 为溶剂,
反应 24.0h,
以47%的产率得到tetra(tert-butyl) 6,6''-<<4,4'-bis<2-<(tert-butoxy)carbonyl>ethyl>-2,2'-bipyridine-6,6'-diyl>bis(methyleneoxymethylene)bis(2,2'-bipyridine-6',6-diyl)bis(methyleneoxymethylene)>-6',6'''-dimethylbis<2,2'-bipyridine>-4,4',4'',4'''-tetrapropionate