Hydroxyamine hydrochloride → HCID 58031584, compound

Participants

Reaction Steps

Following the procedure as described in Example 38, making variations as required to replace (E)-1-(5-(3-(dimethylamino)acryloyl)-4-methylthiazol-2-yl)-3-(4-(trifluoromethyl)benzyl)imidazolidin-2-one with (E)-1-(5-(3-(dimethylamino)but-2-enoyl)-4-methylthiazol-2-yl)-3-(4-(trifluoromethyl)benzyl)imidazolidin-2-one to react with hydroxylamine hydrochloride, the title compound was obtained as a colorless solid in 53% yield: mp 201-203° C. (ethyl acetate/hexanes); 1H NMR (300 MHz, CDCl3) δ 7.59 (d, J=8.1 Hz, 2H), 7.41 (d, J=8.1 Hz, 2H), 6.07 (s, 1H), 4.54 (s, 2H), 4.12-4.06 (m, 2H), 3.50-3.44 (m, 2H), 2.51 (s, 3H), 2.24 (s, 3H); 13C NMR (75 MHz, CDCl3) δ 163.4, 160.8, 158.2, 155.5, 147.8, 139.8, 130.5, 128.5, 125.9, 122.1, 112.0, 101.0, 47.6, 42.0, 41.9, 17.0, 11.4; MS (ES+) m/z 423.1 (M+1).

Provenance & Evidence