Chlorosuccinimide → (S)-tert-butyl (1-((9-chloro-2,6-dimethyl-5-oxo-5,6-dihydrobenzo[c][2,7]naphthyridin-8-yl)oxy)-4-methylpentan-2-yl)carbamate
반응식
[CH3:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][N:11]=1)[C:8](=[O:12])[N:7]([CH3:13])[C:6]1[CH:14]=[C:15]([O:18][CH2:19][C@@H:20]([NH:25][C:26](=[O:32])[O:27][C:28]([CH3:31])([CH3:30])[CH3:29])[CH2:21][CH:22]([CH3:24])[CH3:23])[CH:16]=[CH:17][C:5]2=1.C1C(=O)N([Cl:40])C(=O)C1>>[Cl:40][C:16]1[C:15]([O:18][CH2:19][C@@H:20]([NH:25][C:26](=[O:32])[O:27][C:28]([CH3:30])([CH3:29])[CH3:31])[CH2:21][CH:22]([CH3:24])[CH3:23])=[CH:14][C:6]2[N:7]([CH3:13])[C:8](=[O:12])[C:9]3[C:4]([C:5]=2[CH:17]=1)=[CH:3][C:2]([CH3:1])=[N:11][CH:10]=3참가 물질
3
반응물 2
생성물 1
실험 절차
(S)-tert-butyl (1-((2,6-dimethyl-5-oxo-5,6-dihydrobenzo[c][2,7]naphthyridin-8-yl)oxy)-4-methylpentan-2-yl)carbamate (0.05 g, 0.114 mmol), prepared as described in Example 67, Part F, was subjected to chlorination using NCS (0.018 g, 0.137 mmol), using the procedure described in Example 20, Part A, to give (S)-tert-butyl (1-((9-chloro-2,6-dimethyl-5-oxo-5,6-dihydrobenzo[c][2,7]naphthyridin-8-yl)oxy)-4-methylpentan-2-yl)carbamate (50 mg, 0.052 mmol, 45% yield) as colorless oil. LC/MS (ESI) m/e 474.7 [(M+H)+, calcd for C25H32ClN3O4 474.2]; LC/MS retention time (method H): tR=0.94 min.