Guaiacol → 2-Methoxyphenyl benzoate
Reaktionsgleichung
[C:1]1([O:8][CH3:9])[C:2](=[CH:4][CH:5]=[CH:6][CH:7]=1)O.[C:10](Cl)(=[O:17])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1.[OH-:19].[Na+]>>[C:10]([O:17][C:7]1[CH:6]=[CH:5][CH:4]=[CH:2][C:1]=1[O:8][CH3:9])(=[O:19])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1Komponenten
4
Versuchsvorschrift
A stirred, ice-cold, aqueous solution of sodium hydroxide (250 mL; 15% w/v) is treated, dropwise, with guaiacol (22 mL), followed by benzoyl chloride (25.5 mL), and the mixture is stirred for a further period of 40 minutes. The resulting crystalline white solid is filtered off, washed with water, and dried, to give 2-methoxyphenyl benzoate (29.2 g), m.p. 59°-60° C. [Elemental analysis: C,73.3; H,5.2%; calculated: C,73.7; H,5.3%].
Aufarbeitung
- filtrationThe resulting crystalline white solid is filtered off
- wash