2-Methoxy-1,3-butadiene → (+/-)-6-Benzoyloxy-2-methoxy-2,7,8-trimethylchroman
Reaktionsgleichung
[C:1]([O:9][C:10]1[CH:15]=[CH:14][C:13]([OH:16])=[C:12]([CH3:17])[C:11]=1[CH3:18])(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:19][O:20][C:21]([CH:23]=[CH2:24])=[CH2:22]>>[C:1]([O:9][C:10]1[CH:15]=[C:14]2[C:13](=[C:12]([CH3:17])[C:11]=1[CH3:18])[O:16][C:21]([O:20][CH3:19])([CH3:22])[CH2:23][CH2:24]2)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1Komponenten
3
Versuchsvorschrift
By the manner of Example 45, 4-benzoyloxy-2,3-dimethylphenol was reacted with 2-methoxybutadiene to give (±)-6-benzoyloxy-2-methoxy-2,7,8-trimethylchroman as a white powder, m.p. 101.5°-102.5°, from ether-30°-60° petroleum ether.
Quellen und Nachweise
- ORD-Eintrag
- ord-417f461c67bd45169f7831a414e23c01
- Quelldatensatz
- uspto-grants-1976_03
- Patentnummer
- US03947473