2-(5-ethylcarbamoyl-thiophen-2-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid ((S)-1,2,2-trimethyl-propyl)-amide 在
methanol-dichloromethane 、
乙二胺 、 crude residue 、 silica gel 作用下,
以
盐酸 、
溶剂黄146 为溶剂,
反应 19.0h,
以to afford 100 mg (89%) of 2-(5-ethylcarbamoyl-thiophen-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid ((S)-1,2,2-trimethyl-propyl)-amide as an off-white solid的产率得到2-(5-ethylcarbamoyl-thiophen-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid ((S)-1,2,2-trimethyl-propyl)-amide