(2S)-2-Amino-N,N-dimethyl-3-phenylpropanamide hydrochloride → HCID 178484518、化合物
反応式
Cl.[NH2:2][C@@H:3]([CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[C:4]([N:6]([CH3:8])[CH3:7])=[O:5].[Cl:16][C:17]1[CH:28]=[CH:27][C:20]2[NH:21][C:22]([C:24](O)=[O:25])=[N:23][C:19]=2[CH:18]=1>>[CH3:7][N:6]([CH3:8])[C:4]([CH:3]([NH:2][C:24]([C:22]1[NH:21][C:20]2[CH:27]=[CH:28][C:17]([Cl:16])=[CH:18][C:19]=2[N:23]=1)=[O:25])[CH2:9][C:10]1[CH:11]=[CH:12][CH:13]=[CH:14][CH:15]=1)=[O:5]参加物
3
実験手順
(S)-2-Amino-N,N-dimethyl-3-phenyl-propionamide hydrochloride (2.0 mmol) and 5-chloro-1H-benzoimidazole-2-carboxylic acid (Crowther et al., J. Chem. Soc. 1949, p.1268, 2.0 mmol) were coupled according to Procedure A and the product purified by chromatography on silica gel eluted with 1:1 ethyl acetate-hexanes (235 mg, 63%): HPLC (60/40) 4.92 min (91%); PBMS 371/373 (MH+, 100%); 1H NMR (CDCl3) δ11.25 (br, 0.6H), 10.9 (br, 0.4H), 8.36 (m, 1H), 7.78 (d, 0.4H, J=7.72 (d, 0.6H, J=8.8 Hz), 7.52 (d, 0.6H, J=2 Hz), 7.41 (d, 0.4H, J=8.4 Hz), 7.35-7.1 (m, 6H), 7.35 (m, 1H), 3.16 (m, 2H), 2.90 (s, 3H), 2.68 (s, ca. 2H), 2.67 (s, ca. 1H).
後処理
- customthe product purified by chromatography on silica gel
- washeluted with 1:1 ethyl acetate-hexanes (235 mg, 63%)