Sodium cyanoborohydride → HCID 22485637, compound

Participants

Reaction Steps

Reduction of 4-fluoro-3-methyl-benzaldehyde O-methyloxime with sodium cyanoborohydride as described in the preparation of compound 3-B gave the title hydroxylamine as a clear oil after chromatography on silica gel (elution hexane-ethyl acetate 8:2) (94% yield). 1HNMR 400 MHz (CDCl3) δ (ppm): 2.27 (3H, broad s, CH3), 3.50 (3H, s, OCH3), 3.97 (2H, broad s, NCH2), 5.67 (1H, broad, NH), 6.95 (1H, m, aromatic), 7.11-7.17 (2H, m, aromatics. The hydrochloride salt was obtained as a white solid: mp 162° C. Anal. calcd for C9H12FNO—HCl: C, 52.56; H, 6.37; N, 6.81. Found: C, 52.80; H, 6.33; N, 6.70.

Provenance & Evidence