Ammonium formate → 6-Methoxy-1-{4-[2-(piperidin-1-yl)ethoxy]phenoxy}naphthalen-2-ol

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Reaction Steps

Add 1-{2-[4-(2-benzyloxy-6-methoxy-naphthalen-1-yloxy)-phenoxy]-ethyl}-piperidine (12.4 g, 25.5 mmol) to a methanol/ethyl acetate mixture (1:1, 490 mL) and heat to form a solution. Remove heat and add ammonium formate (4.83 g, 76.6 mmol) and Pd(OH)2 on Carbon (20% ww, 1.58 g, 1.12 mmol). Reflux the solution for 50 minutes then filter. Concentrate the filtrate to provide 6-methoxy-1-[4-(2-piperidin-1-yl-ethoxy)-phenoxy]-naphthalene-2-ol (9.9 g, 25.1 mmol).

Provenance & Evidence