[CH3:1][O:2][C:3](=[O:26])[C@H:4]([CH2:22][CH2:23][S:24][CH3:25])[NH:5][C:6](=[O:21])[C:7]1[CH:12]=[CH:11][C:10]([CH2:13][OH:14])=[CH:9][C:8]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1.[H-].[Na+].Cl.Cl[CH2:31][C:32]1[CH:33]=[N:34][CH:35]=[CH:36][CH:37]=1>CS(C)=O.O.C(OCC)(=O)C>[CH3:1][O:2][C:3](=[O:26])[C@H:4]([CH2:22][CH2:23][S:24][CH3:25])[NH:5][C:6](=[O:21])[C:7]1[CH:12]=[CH:11][C:10](=[CH:13][O:14][CH2:31][C:32]2[CH:33]=[N:34][CH:35]=[CH:36][CH:37]=2)[CH2:9][C:8]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1The resultant compound from Example 16D (1.0 equivalent) is treated with sodium hydride (2.0 equivalents) in DMSO, then 3-chloromethylpyridine hydrochloride (1.0 equivalent) is added. When judged complete by TLC analysis, the reaction is diluted with water and ethyl acetate, the organic layer is dried and concentrated, and the crude title compound is purified by chromatography on silica gel.
불러오는 중…