trimethyl-(1,4,6-trimethyl-1H-indol-3-ylmethyl)-amino iodide 、 (R)-3-(2,4-dioxo-1,4-dihydro-2H-pyrido[3,2-d]pyrimidin-3-yl)-pentanoic acid methyl ester 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
以35%的产率得到(R)-3-[2,4-dioxo-1-(1,4,6-trimethyl-1H-indol-3-ylmethyl)-1,4-dihydro-2H-pyrido[3,2-d]pyrimidin-3-yl]-pentanoic acid methyl ester