Acetic Acid → HCID 9945970, compound

Participants

Reaction Steps

A solution of 3,5-dichloro-4-(4-methoxyphenoxy)benzaldehyde (170 mg, 0.572 mmol) and hydroxylamine hydrochloride (48 mg, 0.687 mmol) in 1 ml of pyridine was stirred for 1 h then all volatiles were removed in vacuo. The resulting imine intermediate was treated with sodium cyanoborohydride (122 mg, 1.944 mmol) in 2 ml of glacial acetic acid for 5 h. The reaction mixture was then quenched with water and neutralized with sodium bicarbonate powder, extracted with ethyl acetate and dried (sodium sulfate). The resulting 3,5-dichloro-N-hydroxy-4-(4-methoxyphenoxy)benzyl amine was converted to the title compound using the method described in example 1c (50 mg, 26%) as an off-white solid. 1H NMR (400 MHz, CDCl3) δ 8.06 (s, 1H), 7.34 (s, 2H), 6.82 (d, j=8.8 Hz, 2H), 6.76 (d, j=8.8 Hz, 2H), 4.64 (s, 2H), 3.76 (s, 3H). M+1=342.

Provenance & Evidence