Sodium Hydroxide → 1-(3-(Benzyloxy)-5-bromopyridin-2-yl)thiourea

Participants

Reaction Steps

A 1 L round-bottom flask was charged with 1-benzoyl-3-(3-(benzyloxy)-5-bromopyridin-2-yl)thiourea (17.9 g, 40.5 mmol) and 3M sodium hydroxide (3.3 mL, 9.9 mmol), and the reaction mixture was refluxed overnight. The reaction mixture was then cooled, poured into water, and filtered to provide 1-(3-(benzyloxy)-5-bromopyridin-2-yl)thiourea (12.6 g, 92.2% yield) as a yellow solid. 1H NMR (CDCl3) δ 10.60 (bs, 1H), 8.59 (bs, 1H), 7.87 (d, 1H), 7.40 (m, 5H), 7.30 (d, 1H), 6.90 (m, 1H), 5.15 (s, 2H). Mass spectrum (apci) m/z=340.0 (M+H).

Provenance & Evidence