methyl {6-[(1-bromo-2-methylindolizin-3-yl)carbonyl]-2,4-dioxo-1,4-dihydroquinazolin-3(2H)-yl}acetate 、
[oxybis(ethane-2,1-diyloxyethane-2,1-diyloxybenzene-4,1-diyl)]diboronic acid 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 作用下,
以
aq. phosphate buffer 、
N,N-二甲基甲酰胺 为溶剂,
反应 24.0h,
以20%的产率得到methyl 2,2'-{oxybis[ethane-2,1-diyloxyethane-2,1-diyloxybenzene4,1-diyl(2-methylindolizine-1,3-diyl)carbonyl(2,4-dioxo-1,4-dihydroquinazoline-6,3(2H)-diyl)]}diacetate