تفاعل #476643

معادلة التفاعل

2-chloro-4-iodo-N-methylfuro[2,3-c]pyridin-7-amine

1-{4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidin-1-yl}ethanone

potassium carbonate

→

title compound

المردود 99.1%

1-(4-{4-[2-chloro-7-(methylamino)furo[2,3-c]pyridin-4-yl]-1H-pyrazol-1-yl}piperidin-1-yl)ethanone

المردود 99.1%

المذيبات

1,4-dioxane

water

ظروف التفاعل

المعالجة

1. 1
   أخرىpurified by ISCO chromatography (0 to 10% methanol:ethyl acetate)

الإجراء التجريبي

A mixture of 2-chloro-4-iodo-N-methylfuro[2,3-c]pyridin-7-amine (125 mg, 0.405 mmol), 1-{4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidin-1-yl}ethanone (142 mg, 0.446 mmol), (1,1′-bis-(diphenylphosphine)-ferrocene)palladium dichloride (29.6 mg, 0.0405 mmol) and potassium carbonate (140 mg, 1.01 mmol) in 1,4-dioxane (1.35 mL) and water (0.58 mL) was heated to 95° C. for 20 h. The mixture was adsorbed directly onto a dry 5 g silica gel cartridge and purified by ISCO chromatography (0 to 10% methanol:ethyl acetate) to afford 150 mg (99%) of the title compound as a tan solid. 1H NMR (400 MHz, CD3OD): δ 8.06 (s, 1 H), 7.92 (s, 1 H), 7.82 (s, 1 H), 7.05 (s, 1 H), 4.74-4.60 (m, 1 H), 4.51 (tt, J=4.4, 11.5 Hz, 1 H), 4.14-4.00 (m, 1 H), 3.39-3.34 (m, 1 H), 3.05 (s, 3 H), 2.85 (td, J=3.0, 13.0 Hz, 1 H), 2.28-2.11 (m, 5 H), 2.11-1.89 (m, 2 H); MS (ESI): 374.11, 376.08 [M+H]+; HPLC tR=2.29 min (ZQ3, polar—4 min).

المصدر