上游原料
3,5-dibromopyrazin-2-amineethynyltrimethylsilane2-bromo-5H-pyrrolo[2,3-b]pyrazine2-bromo-5-tosyl-5H-pyrrolo[2,3-b]pyrazineEthyl carbamate; Urethaneethyl (5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)carbamateethyl ((benzyloxy)carbonyl)glycinateethyl acrylate1-benzyl 3-ethyl 4-hydroxy-2,5-dihydro-1H-pyrrole-1,3-dicarboxylate1-benzyl 3-ethyl 4-(((trifluoromethyl)sulfonyl)oxy)-2,5-dihydro-1H-pyrrole-1,3-dicarboxylate1-benzyl 3-ethyl 4-ethyl-2,5-dihydro-1H-pyrrole-1,3-dicarboxylate1-((benzyloxy)carbonyl)-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acidbenzyl (3R,4S)-3-(2-(dimethyl(oxo)-l6-sulfanylidene)acetyl)-4-ethylpyrrolidine-1-carboxylatebenzyl (3R,4S)-3-(N-(ethoxycarbonyl)-N-(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)glycyl)-4-ethylpyrrolidine-1-carboxylatebenzyl (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)pyrrolidine-1-carboxylate8-((3R,4S)-4-ethylpyrrolidin-3-yl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine2,2,2-trifluoroethylamine; 2,2,2-trifluoro-1-ethanamine