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

反応式

[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

参加物

反応物 2

HCID 993382-Methoxy-1,3-butadiene

HCID 158708604-Benzoyloxy-2,3-dimethylphenol

生成物 1

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

実験手順

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.

出典と根拠

ORDレコード: ord-06e9be19e82042698f1ba2c77edbd619
出典データセット: uspto-grants-1977_04
DOI: 10.6084/m9.figshare.5104873.v1
特許番号: US04018799

反応ノート

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