1-bromo-8-chloro-4H,6H-2,3,5,10b-tetraazabenzo[e]azulene-5-carboxylic acid tert-butyl ester 、
5-fluorospiro[1,3-dihydroisobenzofuran-3,4'-piperidine] 反应 3.0h,
以52%的产率得到tert-butyl 8-chloro-1-(6-fluoro-1'H,3H-spiro[2-benzofuran-1,4'-piperidin]-1'-yl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine-5(6H)-carboxylate