正丁胺 、
(E)-3-[9-Cyano-6-oxo-3-(tetrahydro-pyran-2-yl)-3,6-dihydro-1,3,4,5a-tetraaza-cyclopenta[a]naphthalen-7-yl]-acrylic acid methyl ester 以
乙腈 为溶剂,
生成 (E)-3-{6-[5-[(N-Butyl-formimidoyl)-amino]-1-(tetrahydro-pyran-2-yl)-1H-imidazol-4-yl]-5-cyano-2-oxo-1,2-dihydro-pyridin-3-yl}-acrylic acid methyl ester