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Sodium Bicarbonate → 2,2-dimethyl-4-(3-fluorophenyl)-5-{4-(methylsulfonyl)phenyl}-3(2H)-furanone

HRID 2298268
ノート
印刷プレビュー

反応式

HRID 2298268 の反応式
Br[C:2]1[C:3](=[O:19])[C:4]([CH3:18])([CH3:17])[O:5][C:6]=1[C:7]1[CH:12]=[CH:11][C:10]([S:13]([CH3:16])(=[O:15])=[O:14])=[CH:9][CH:8]=1.C(=O)(O)[O-].[Na+].[F:25][C:26]1[CH:27]=[C:28](B(O)O)[CH:29]=[CH:30][CH:31]=1>C1(C)C=CC=CC=1.C(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>[CH3:17][C:4]1([CH3:18])[C:3](=[O:19])[C:2]([C:30]2[CH:29]=[CH:28][CH:27]=[C:26]([F:25])[CH:31]=2)=[C:6]([C:7]2[CH:12]=[CH:11][C:10]([S:13]([CH3:16])(=[O:15])=[O:14])=[CH:9][CH:8]=2)[O:5]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 516892Sodium BicarbonateHCID 27339863-Fluorophenylboronic acidHCID 183857274-Bromo-2,2-dimethyl-5-[4-(methylsulfonyl)phenyl]-3(2h)-furanone

生成物 1

HCID 99507622,2-dimethyl-4-(3-fluorophenyl)-5-{4-(methylsulfonyl)phenyl}-3(2H)-furanone収率 67.6%

試薬・触媒・溶媒 3

HCID 178418397
HCID 178418397、化合物
触媒
HCID 702Ethanol溶媒
HCID 1140Toluene溶媒

反応条件

温度
90 °C

実験手順

To a stirred solution of 4-bromo-2,2-dimethyl-5-{4-(methylsulfonyl)phenyl}-3(2H)-furanone (170 mg) in 30 ml toluene and 10 ml ethanol, were added 25 mg of tetrakis(triphenylphosphine)palladium(0), 10 ml of saturated aqueous sodium bicarbonate, and 100 mg of 3-fluorobenzeneboronic acid. The reaction solution was stirred at 90° C. for 12 hours. Then the solvent was removed under reduced pressure. The resulting residue was extracted with water and dichloromethane. The organic layer was concentrated in vacuo and the resulting residue was separated by column chromatography (hexane/ethylacetate) to yield 120 mg of 2,2-dimethyl-4-(3-fluorophenyl)-5-{4-(methylsulfonyl)phenyl}-3(2H)-furanone as a solid. mp: 178-179° C. NMR: δ1.58 (s, 6H), 3.08 (s, 3H), 7.05 (m, 3H), 7.33 (m, 1H), 7.83 (d, J=8.7 Hz, 2H), 7.95 (d, J=8.4 Hz, 2H). IR (cm−1): 3020, 1697, 1620, 1403, 1318, 1149, 958, 768. MS (FAB): 361 (m+1).

後処理

  1. customThen the solvent was removed under reduced pressure
  2. extractionThe resulting residue was extracted with water and dichloromethane
  3. concentrationThe organic layer was concentrated in vacuo
  4. customthe resulting residue was separated by column chromatography (hexane/ethylacetate)

出典と根拠

ORDレコード
ord-0e85534ac5524642ace9f59c4c2ae47d
出典データセット
uspto-grants-2002_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06492416B1

反応ノート

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