1,2-Dimethoxyethane → methyl 5-(4-(1H-pyrazol-1-yl)benzyl)-3-fluoro-2-hydroxy-4-methylbenzoate

HRID 629435

反応式

HRID 629435 の反応式
[F:1][C:2]1[C:3]([OH:22])=[C:4]([CH:9]=[C:10](B2OC(C)(C)C(C)(C)O2)[C:11]=1[CH3:12])[C:5]([O:7][CH3:8])=[O:6].Cl[CH2:24][C:25]1[CH:30]=[CH:29][C:28]([N:31]2[CH:35]=[CH:34][CH:33]=[N:32]2)=[CH:27][CH:26]=1.C(=O)([O-])[O-].[Na+].[Na+].COCCOC>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[N:31]1([C:28]2[CH:29]=[CH:30][C:25]([CH2:24][C:10]3[C:11]([CH3:12])=[C:2]([F:1])[C:3]([OH:22])=[C:4]([CH:9]=3)[C:5]([O:7][CH3:8])=[O:6])=[CH:26][CH:27]=2)[CH:35]=[CH:34][CH:33]=[N:32]1

参加物

7

反応物 4

HCID 80711,2-DimethoxyethaneHCID 10340Sodium CarbonateHCID 71308871-[4-(chloromethyl)phenyl]-1H-pyrazoleHCID 131735372Methyl 3-fluoro-2-hydroxy-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

生成物 1

HCID 118468110methyl 5-(4-(1H-pyrazol-1-yl)benzyl)-3-fluoro-2-hydroxy-4-methylbenzoate収率 14.2%

試薬・触媒・溶媒 2

HCID 178418397HCID 178418397、化合物触媒HCID 962Water溶媒2 回

反応条件

温度
80 °C

実験手順

Tetrakis(triphenylphosphine)palladium(0) (0.40 g) was added to a mixture of methyl 3-fluoro-2-hydroxy-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (2.13 g), 1-(4-(chloromethyl)phenyl)-1H-pyrazole (1.32 g), sodium carbonate (1.46 g), DME (30.0 mL) and water (10.0 mL) under argon atmosphere, and the mixture was stirred overnight at 80° C. The reaction mixture was allowed to be cooled to room temperature, water was added thereto, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (0.33 g).

後処理

  1. temperatureto be cooled to room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customthe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

出典と根拠

ORDレコード
ord-e1e619c23bff4b029fcd87eabdc68dc2
出典データセット
uspto-grants-2016_04
特許番号
US09315458B2

関連ノート

読み込み中…