3,5-Dichlorophenylboronic acid → HCID 178498930, 화합물
반응식
[CH3:1][O:2][C:3]([C:5]1[C:6](=[O:17])[S:7][C:8]2[C:13]([C:14]=1[OH:15])=[CH:12][CH:11]=[C:10](Br)[CH:9]=2)=[O:4].[Cl:18][C:19]1[CH:20]=[C:21](B(O)O)[CH:22]=[C:23]([Cl:25])[CH:24]=1>>[CH3:1][O:2][C:3]([C:5]1[C:6](=[O:17])[S:7][C:8]2[C:13]([C:14]=1[OH:15])=[CH:12][CH:11]=[C:10]([C:21]1[CH:20]=[C:19]([Cl:18])[CH:24]=[C:23]([Cl:25])[CH:22]=1)[CH:9]=2)=[O:4]참가 물질
3
실험 절차
7-(3,5-Dichloro-phenyl)-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester was prepared from 7-bromo-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester (Example 5 e) and 3,5-dichlorophenylboronic acid under conditions analogous to Example 7(a). The crude product was purified by silica gel chromatography (eluting with 5%-60% EtOAc in CH2Cl2) to provide 7-(3,5-dichloro-phenyl)-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester. MS ESI(−) m/e: 378.98 (M−1).
후처리
- customThe crude product was purified by silica gel chromatography (eluting with 5%-60% EtOAc in CH2Cl2)
출처 및 근거
- ORD 기록
- ord-a275caf112bf41ce9524a45ce1303a27
- 출처 데이터셋
- uspto-grants-2015_10
- 특허 번호
- US09149476B2
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