benzyl [N-{3-[(1R,2S,7R,8S)-3-(4-fluorobenzyl)-6-hydroxy-4-oxo-3-azatricyclo[6.2.1.02,7]undec-5-en-5-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}sulfamoyl]carbamate 在
钯 、 crude product 、 ( 2 ) 、
(1R,2S,7R,8S)-N-{3-[-3-(4-fluorobenzyl)-6-hydroxy-4-oxo-3-azatricyclo[6.2.1.02,7]undec-5-en-5-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}sulfamide 作用下,
以
甲醇 为溶剂,
反应 16.12h,
以to afford the desired product, (1R,2S,7R,8S)—N-{3-[3-(4-fluoro-benzyl)-6-hydroxy-4-oxo-3-aza-tricyclo[6.2.1.02,7]undec-5-en-5-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-sulfamide (55.7 mg, 0.099 mmol, 58.7% over two steps)的产率得到(1R,2S,7R,8S)-N-{3-[-3-(4-fluorobenzyl)-6-hydroxy-4-oxo-3-azatricyclo[6.2.1.02,7]undec-5-en-5-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}sulfamide