乙醇 、
6-methyl-4-{5-[(methylsulfonyl)amino]-2-phenoxyphenyl}-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid trifluoroacetic acid 在
硫酸 作用下,
以0.19 g的产率得到ethyl 6-methyl-4-{5-[(methylsulfonyl)amino]-2-phenoxyphenyl}-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate