N-ethyl-N-methyl-6-(trimethylstannyl)pyridine-3-sulfonamide 、
2-(2-amino-5-bromopyridin-3-yl)-5,6-dihydrothieno[2,3-c]pyridin-7(4H)-one 以to give 6′-amino-N-ethyl-N-methyl-5′-(7-oxo-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-[2,3′-bipyridine]-5-sulfonamide as a yellow solid (140 mg, 0.31 mmol, 53% yield)的产率得到6'-amino-N-ethyl-N-methyl-5'-(7-oxo-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-[2,3'-bipyridine]-5-sulfonamide