1-(2-cyclopentyloxycarbonylamino-3,3-dimethyl-butyryl)-4-[2-(2-isopropylamino-thiazol-4-yl)-7-methoxy-quinolin-4-yloxy]-pyrrolidine-2-carboxylic acid 、
在
N-甲基吗啉 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以23%的产率得到(2-cyanophenyl)methyl-[(1S,2S)-1-[[(2S,4R)-1-[(2S)-2-(cyclopentyloxycarbonylamino)-3,3-dimethylbutanoyl]-4-[7-methoxy-2-[2-(propan-2-ylamino)-1,3-thiazol-4-yl]quinolin-4-yl]oxypyrrolidine-2-carbonyl]amino]-2-ethenylcyclopropyl]phosphinic acid