4-Iodo-3,5-dimethyl-1,2-oxazole → 2-Chloro-5-(3,5-dimethyl-4-isoxazolyl)phenyl 2,3,4-tri-O-acetyl-5-thio-beta-D-xylopyranoside
반응식
[C:1]([O:4][C@@H:5]1[C@@H:19]([O:20][C:21](=[O:23])[CH3:22])[C@H:18]([O:24][C:25](=[O:27])[CH3:26])[CH2:17][S:16][C@H:6]1[O:7][C:8]1[CH:13]=[C:12](Br)[CH:11]=[CH:10][C:9]=1[Cl:15])(=[O:3])[CH3:2].[CH3:28][C:29]1[C:33](I)=[C:32]([CH3:35])[O:31][N:30]=1>>[C:1]([O:4][C@@H:5]1[C@@H:19]([O:20][C:21](=[O:23])[CH3:22])[C@H:18]([O:24][C:25](=[O:27])[CH3:26])[CH2:17][S:16][C@H:6]1[O:7][C:8]1[CH:13]=[C:12]([C:33]2[C:29]([CH3:28])=[N:30][O:31][C:32]=2[CH3:35])[CH:11]=[CH:10][C:9]=1[Cl:15])(=[O:3])[CH3:2]참가 물질
3
실험 절차
By carrying out the operation analogously to example 58, starting from 5-bromo-2-chlorophenyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside, obtained according to preparation X, and 3,5-dimethyl-4-iodoisoxazole, the expected compound is obtained in the form of a crude product used without further purification in the deacetylation stage.
후처리
- customobtained