Ammonium Chloride → 7-(4-amino-2-fluorophenoxy)-N-(3-methoxyphenyl)thieno[3,2-b]pyridin-2-amine

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Reaction Steps

To a solution of 403 (408 mg, 0.99 mmol) and NH4Cl (45 mg, 084 mmol) in 2:1 EtOH/water (15 mL) was added iron powder (472 mg, 8.43 mmol) and the suspension was heated to reflux for 1 hour. The reaction mixture was filtered through celite and concentrated to provide 404 (278 mg, 74% yield), that was used without further purification. MS (m/z): (M+1) 382.0 (100%).

Provenance & Evidence