2-Methoxyphenylboronic acid → HCID 178498921, 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:25]=[CH:24][CH:23]=[CH:22][C:21]=1B(O)O>>[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:22]=[CH:23][CH:24]=[CH:25][C:20]=1[O:19][CH3:18])[CH:9]=2)=[O:4]Komponenten
3
Versuchsvorschrift
4-Hydroxy-7-(2-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 5 e) and 2-methoxyphenylboronic acid under conditions analogous to Example 7(a). MS ESI(−) m/e: 341.07 (M−1).
Quellen und Nachweise
- ORD-Eintrag
- ord-1cbe044ef777458b9068a502bd8a3c58
- Quelldatensatz
- uspto-grants-2015_10
- Patentnummer
- US09149476B2