(3-Methoxyphenyl)boronic acid → HCID 178498925, Verbindung
Reaktionsgleichung
[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].[CH3:18][O:19][C:20]1[CH:21]=[C:22](B(O)O)[CH:23]=[CH:24][CH:25]=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:24]1[CH:23]=[CH:22][CH:21]=[C:20]([O:19][CH3:18])[CH:25]=1)[CH:9]=2)=[O:4]Komponenten
3
Versuchsvorschrift
4-Hydroxy-7-(3-methoxy-phenyl)-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 5e) and 3-methoxyphenylboronic acid under conditions analogous to Example 7(a). MS ESI(−) m/e: 341.10 (M−1).
Quellen und Nachweise
- ORD-Eintrag
- ord-c81d4cc7a0b34f148e96218184c9aaec
- Quelldatensatz
- uspto-grants-2015_01
- Patentnummer
- US08927591B2
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