Methyl 2-(3-((1-(2,3-difluorobenzyl)-6-oxo-1,6-dihydro-pyridin-3-yl)methyl)-5-fluoro-2-methyl-1H-indol-1-yl)acetate 、
单水氢氧化锂 在
crude product 、 Acetonitrile ethanol 作用下,
以to give fine pale pink needles (0.174 g, 61% yield)的产率得到2-(3-((1-(2,3-difluorobenzyl)-6-oxo-1,6-dihydropyridin-3-yl)methyl)-5-fluoro-2-methyl-1H-indol-1-yl)acetic acid