Methyl 2-(4-formyl-2-methoxyphenoxy)acetate → HCID 54275296, Verbindung
Reaktionsgleichung
[CH3:1][O:2][C:3](=[O:16])[CH2:4][O:5][C:6]1[CH:11]=[CH:10][C:9]([CH:12]=[O:13])=[CH:8][C:7]=1[O:14][CH3:15].[C:17]([Mg]Cl)#[CH:18]>C1COCC1>[CH3:1][O:2][C:3](=[O:16])[CH2:4][O:5][C:6]1[CH:11]=[CH:10][C:9]([CH:12]([OH:13])[C:17]#[CH:18])=[CH:8][C:7]=1[O:14][CH3:15]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
[4-(1-Hydroxy-2-propynyl)-2-methoxy-phenoxy]-acetic acid methyl ester was prepared according to Method A above (except the Grignard reagent was added at −78° C.) from (4-formyl-2-methoxy-phenoxy)-acetic acid methyl ester (0.645 g, 2.9 mmol) (from Example 45) in THF (30 mL) and ethynylmagnesium chloride (3.45 mmol, 7 mL, 0.5M solution in tetrahydrofuran) (Aldrich). (Yield 525 mg, 72%).