8-fluoro-2-methyl-2,4-dihydrochromeno[4,3-c]pyrazole-3-carboxylic acid 、
草酰氯 、
吡啶 、
3-氯苯胺 在
N-(3-chlorophenyl)-8-fluoro-2-methyl-2,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamide 作用下,
以
二氯甲烷 为溶剂,
以The title compound was obtained as a white solid with puritiy greater than 95% (38.6 mg, 0.108 mmol, 17% yield)的产率得到N-(3-chlorophenyl)-8-fluoro-2-methyl-2,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamide