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Methanesulfonyl chloride → Methyl 2'-fluoro-2-(2-methyl-5-((methylsulfonyl)oxy)cyclopentyl)-5'-(methyloxy)-1,1'-biphenyl-4-carboxylate

HRID 1662453
ノート
印刷プレビュー

反応式

HRID 1662453 の反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][C:3]=1[C:10]1[CH:15]=[CH:14][C:13]([C:16]([O:18][CH3:19])=[O:17])=[CH:12][C:11]=1[CH:20]1[CH:24]([CH3:25])[CH2:23][CH2:22][CH:21]1[OH:26].[CH3:27][S:28](Cl)(=[O:30])=[O:29]>C(Cl)Cl>[F:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][C:3]=1[C:10]1[CH:15]=[CH:14][C:13]([C:16]([O:18][CH3:19])=[O:17])=[CH:12][C:11]=1[CH:20]1[CH:21]([O:26][S:28]([CH3:27])(=[O:30])=[O:29])[CH2:22][CH2:23][CH:24]1[CH3:25]
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

4

反応物 2

HCID 31297Methanesulfonyl chlorideHCID 57705852Methyl 2'-fluoro-2-(2-hydroxy-5-methylcyclopentyl)-5'-(methyloxy)-1,1'-biphenyl-4-carboxylate

生成物 1

HCID 57707123Methyl 2'-fluoro-2-(2-methyl-5-((methylsulfonyl)oxy)cyclopentyl)-5'-(methyloxy)-1,1'-biphenyl-4-carboxylate収率 93%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

反応条件

温度
0 °C

実験手順

A 250 mL round bottom flask was charged with 66.56D (mixture of diastereomers) (0.61 g, 1.7 mmol), DCM (10 mL), and TEA (0.28 mL, 2.0 mmol) and cooled to 0° C. To the cold solution was added methanesulfonyl chloride (available from Aldrich) (0.16 mL, 2.0 mmol) dropwise. The cooling bath was removed, and the mixture was stirred for 1 hour at ambient temperature. The mixture was diluted with EtOAc, washed with water and brine, dried (MgSO4), and concentrated. The crude product was purified by silica gel flash chromatography (0-40% EtOAc/hexane) to afford 66.56E (mixture of diastereomers) (0.69 g, 93% yield) as a colorless oil.

後処理

  1. customThe cooling bath was removed
  2. additionThe mixture was diluted with EtOAc
  3. washwashed with water and brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated
  6. customThe crude product was purified by silica gel flash chromatography (0-40% EtOAc/hexane)

出典と根拠

ORDレコード
ord-1208b561eb10404da20843ead98d0adf
出典データセット
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08030354B2

反応ノート

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