o-Toluenesulfonyl chloride, 5-nitro- → 5-Methyl-3-(2-methyl-5-nitrophenylsulfonyloxy)phenol

HRID 442947

反応式

HRID 442947 の反応式
O.[C:2]1([OH:10])[CH:9]=[C:7]([CH3:8])[CH:6]=[C:4]([OH:5])[CH:3]=1.[CH3:11][C:12]1[CH:17]=[CH:16][C:15]([N+:18]([O-:20])=[O:19])=[CH:14][C:13]=1[S:21](Cl)(=[O:23])=[O:22]>C([O-])(O)=O.[Na+].C(OCC)C.O>[CH3:8][C:7]1[CH:9]=[C:2]([O:10][S:21]([C:13]2[CH:14]=[C:15]([N+:18]([O-:20])=[O:19])[CH:16]=[CH:17][C:12]=2[CH3:11])(=[O:22])=[O:23])[CH:3]=[C:4]([OH:5])[CH:6]=1

参加物

6

反応物 2

HCID 8457o-Toluenesulfonyl chloride, 5-nitro-HCID 3083941Resorcinol, 5-methyl-, monohydrate

生成物 1

HCID 544160485-Methyl-3-(2-methyl-5-nitrophenylsulfonyloxy)phenol収率 72%

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 3283Diethyl Ether溶媒HCID 516892Sodium Bicarbonate溶媒

実験手順

Orcinol monohydrate (2.84 g, 20.0 mmol) and 2-methyl-5-nitrobenzenesulfonyl chloride (4.71 g, 20.0 mmol) were mixed in saturated aqueous NaHCO3 (60 mL) and diethyl ether (60 mL). The biphasic mixture was stirred vigorously at ambient temperature overnight. The reaction mixture was diluted with water (100 mL) and extracted into ethyl acetate (3×60 mL). The organic phase was washed with brine (2×50 mL) and dried over Na2SO4. After removing the solvent in vacuo, the residue was purified by flash column chromatography (dichloromethane to 5% ethyl acetate in dichloromethane) to give the title compound as a pale yellow solid (4.20 g, 72%). 1H-NMR (300 MHz, CDCl3) δ 8.71 (s, 1H), 8.37 (d, J=8.4 Hz, 1H), 7.62 (d, J=8.4 Hz, 1H), 6.56 (s, 1H), 6.44 (s, 1H), 6.33 (s, 1H), 5.42 (s, 1H), 2.91 (s, 3H), 2.23 (s, 3H).

後処理

  1. extractionextracted into ethyl acetate (3×60 mL)
  2. washThe organic phase was washed with brine (2×50 mL)
  3. dry with materialdried over Na2SO4
  4. customAfter removing the solvent in vacuo
  5. customthe residue was purified by flash column chromatography (dichloromethane to 5% ethyl acetate in dichloromethane)

出典と根拠

ORDレコード
ord-aee23faa0033478fbc7fd956f6c5f270
出典データセット
uspto-grants-1999_04
特許番号
US05891909

関連ノート

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