{2-[3-(3-ethoxy-4-methoxyphenyl)-5,6-dihydro-4H-pyridazin-1-yl]-1-(1S)-(4-hydroxybenzyl)-2-oxoethyl}carbamic acid benzyl ester 、
2-氯乙醇 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 4.0h,
生成 benzyl N-[(2S)-1-[6-(3-ethoxy-4-methoxyphenyl)-4,5-dihydro-3H-pyridazin-2-yl]-3-[4-(2-hydroxyethoxy)phenyl]-1-oxopropan-2-yl]carbamate