4-[5-(6-methanesulfonyloxymethyl-4-oxo-4H-pyran-3-yloxy)-pentyloxy]-7-trifluoromethyl-quinoline-3-carboxylic acid ethyl ester 、
N-甲基哌嗪 在
碳酸氢钠 、 Brine 、
magnesium sulfate 、 crude product 、 silica 、
二氯甲烷 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以4-[5-(6-(4-Methyl-piperazin-1-ylmethyl)-4-oxo-4H-pyran-3-yloxy)-pentyloxy]-7-trifluoromethyl-quinoline-3-carboxylic acid ethyl ester EHT 8791 was obtained (38 mg, 31% yield) as a yellow oil的产率得到4-[5-(6-(4-methyl-piperazin-1-ylmethyl)-4-oxo-4H-pyran-3-yloxy)-pentyloxy]-7-trifluoromethyl-quinoline-3-carboxylic acid ethyl ester