5-(3-piperazin-1-yl-propoxy)-3,4-dihydro-1H-quinolin-2-one 、
乙酸酐 在
乙醇 作用下,
以
溶剂黄146 为溶剂,
反应 5.0h,
以to obtain 5-[3-(4-acetylpiperazinyl)propoxy]-3,4-dihydrocarbostyril in the form of colorless needle-like crystals with a melting point of 143°-145° C.的产率得到1-acetyl-4-[3-(2-oxo-1,2,3,4-tetrahydro-quinolin-5-yloxy)-propyl]-piperazine