tert-butyl N-[(4aS,7R,7aS)-4a-(2-fluoro-5-nitrophenyl)-2,7-dimethyl-1,1-dioxo-7,7a-dihydro-5H-furo[3,4-e][1,2,4]thiadiazin-3-yl]carbamate 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
以83%的产率得到tert-butyl N-[(4aS,7R,7aS)-4a-(5-amino-2-fluorophenyl)-2,7-dimethyl-1,1-dioxo-7,7a-dihydro-5H-furo[3,4-e][1,2,4]thiadiazin-3-yl]carbamate