(S)-1-(4-fluorophenyl)-1,2,3,4-tetrahydroisoquinoline 、
4-((tert-butoxycarbonyl)amino)-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid 在
三乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.5h,
生成 tert-butyl (1-((S)-1-(4-fluorophenyl)-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-2-oxabicyclo[2.2.1]heptan-4-yl)carbamate