Water → 1-(benzyloxy)-2-bromo-4-methylbenzene

HRID 1500466ノート

反応式

HRID 1500466 の反応式
[Br:1][C:2]1[CH:7]=[C:6]([CH3:8])[CH:5]=[CH:4][C:3]=1[OH:9].C([O-])([O-])=O.[K+].[K+].[CH2:16](Br)[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.O>CN(C=O)C>[CH2:16]([O:9][C:3]1[CH:4]=[CH:5][C:6]([CH3:8])=[CH:7][C:2]=1[Br:1])[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1

参加物

6

反応物 4

HCID 962WaterHCID 7498Benzyl BromideHCID 11430Potassium CarbonateHCID 231092-Bromo-4-methylphenol

生成物 1

HCID 107312131-(benzyloxy)-2-bromo-4-methylbenzene

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
70 °C

実験手順

To a mixture of 2-bromo-4-methylphenol (5.0 g, 27 mmol) and K2CO3 (7.4 g, 53 mmol) in DMF (20 mL) was added benzyl bromide (3.5 mL, 29 mmol) at ambient temperature. It was stirred at 70° C., for 12 h. The mixture was poured into water (50 mL), extracted with EtOAc (150 mL), washed with water, brine, dried and concentrated. The residue was purified by column chromatography on silica gel eluting with hexanes/EtOAc (10:1) to give the title compound (3a).

後処理

  1. extractionextracted with EtOAc (150 mL)
  2. washwashed with water, brine
  3. customdried
  4. concentrationconcentrated
  5. customThe residue was purified by column chromatography on silica gel eluting with hexanes/EtOAc (10:1)

出典と根拠

ORDレコード
ord-90ed584ce3b04933bd20e57d8da5d3da
出典データセット
uspto-grants-2015_12
特許番号
US09206166B2

反応ノート

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