4-氨基四氢吡喃 、
lithium (S)-5-(2-methyl-2-(2-methyl-8-(4-(morpholine-4-carbonyl)phenyl)-5H-pyrano[2,3-b:6,5-b']dipyridin-5-yl)propanamido)-1,3,4-thiadiazole-2-carboxylate 、
三氟乙酸 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
生成 5-((2-methyl-2-((5S)-2-methyl-8-(4-(4-morpholinylcarbonyl)phenyl)-5H-pyrano[2,3-b:6,5-b']dipyridin-5-yl)propanoyl)amino)-N-(tetrahydro-2H-pyran-4-yl)-1,3,4-thiadiazole-2-carboxamide trifluoroacetate