2-Methoxy-1,3-butadiene → (+/-)-6-Benzoyloxy-2-methoxy-2,7,8-trimethylchroman

HRID 328853

Reaction equation

HRID 328853 reaction equation
[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]=1

Participants

3

Reactant 2

HCID 993382-Methoxy-1,3-butadieneHCID 158708604-Benzoyloxy-2,3-dimethylphenol

Product 1

HCID 21432306(+/-)-6-Benzoyloxy-2-methoxy-2,7,8-trimethylchroman

Procedure

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.

Sources & evidence

ORD record
ord-06e9be19e82042698f1ba2c77edbd619
Source dataset
uspto-grants-1977_04
Patent number
US04018799

Linked notes

Loading…