N-ethyl-N-methyl-6-(trimethylstannyl)pyridine-3-sulfonamide 、
2-(2-amino-5-bromopyridin-3-yl)-4H-thieno[2,3-c]pyrrol-6(5H)-one 以to give 6′-amino-N-ethyl-N-methyl-5′-(6-oxo-5,6-dihydro-4H-thieno[2,3-c]pyrrol-2-yl)-[2,3′-bipyridine]-5-sulfonamide as a yellow solid (94 mg, 38% yield)的产率得到6'-amino-N-ethyl-N-methyl-5'-(6-oxo-5,6-dihydro-4H-thieno[2,3-c]pyrrol-2-yl)-[2,3'-bipyridine]-5-sulfonamide