1,6,6-trimethyl-3-tributylstannanyl-4,5,6,7-tetrahydro-1H-indazole 、
2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide 在
四(三苯基膦)钯 、
碘化亚铜 水 、
乙酸乙酯 、 Brine 、
magnesium sulfate 、 silica gel 、
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 18.0h,
以to afford 43 mg (38%) of 5-(2-trimethylsilanyl-ethoxymethyl)-2-(1,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide as a pale orange foam的产率得到5-(2-trimethylsilanyl-ethoxymethyl)-2-(1,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(4-cyano-piperidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amide