Potassium Carbonate → Methyl 2-(4'-methoxybiphenyl-4-yl)-2-phenylacetate

HRID 509195ノート

反応式

HRID 509195 の反応式
Br[C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[C:9]([O:11][CH3:12])=[O:10])=[CH:4][CH:3]=1.[CH3:19][O:20][C:21]1[CH:26]=[CH:25][C:24](B(O)O)=[CH:23][CH:22]=1.C(=O)([O-])[O-].[K+].[K+]>COCCOC.O.C(OCC)(=O)C.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>[CH3:19][O:20][C:21]1[CH:26]=[CH:25][C:24]([C:2]2[CH:7]=[CH:6][C:5]([CH:8]([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=3)[C:9]([O:11][CH3:12])=[O:10])=[CH:4][CH:3]=2)=[CH:23][CH:22]=1

参加物

8

反応物 3

HCID 11430Potassium CarbonateHCID 201262(4-Methoxyphenyl)boronic acidHCID 57779541Methyl 2-(4-bromophenyl)-2-phenylacetate

生成物 1

HCID 57779556Methyl 2-(4'-methoxybiphenyl-4-yl)-2-phenylacetate収率 31%

試薬・触媒・溶媒 4

HCID 178418397HCID 178418397、化合物触媒HCID 962Water溶媒HCID 80711,2-Dimethoxyethane溶媒HCID 8857Ethyl Acetate溶媒

反応条件

温度
80 °C

実験手順

To a degassed solution of bromide 54 (0.33 g, 1.081 mmol), 4-methoxyphenylboronic acid (0.181 g, 1.190 mmol), POT (0.023 g, 0.076 mmol) and potassium carbonate (0.747 g, 5.41 mmol) in DME (15 mL) and water (7.5 mL) was added Pd(PPh3)4 (0.087 g, 0.076 mmol). The reaction mixture was stirred at 80° C. for 16 h and diluted with ethyl acetate, washed with water, dried over Na2SO4, filtered and concentrated to afford compound 55 (0.11 g, 31% yield) as a white solid after purification by ISCO (2 to 40% EtOAc/hexane).

後処理

  1. washwashed with water
  2. dry with materialdried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated

出典と根拠

ORDレコード
ord-e2be10decd65499dbaa295ca5f3ac0cd
出典データセット
uspto-grants-2015_08
特許番号
US09096565B2

反応ノート

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