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Thionyl Chloride → 2-Chloromethyl-3-methyl-4-{4-[2-(2-methyl-5-nitroimidazol-1-yl)ethylthio]butylthio}pyridine

HRID 342640
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HRID 342640 반응식
O[CH2:2][C:3]1[C:8]([CH3:9])=[C:7]([S:10][CH2:11][CH2:12][CH2:13][CH2:14][S:15][CH2:16][CH2:17][N:18]2[C:22]([N+:23]([O-:25])=[O:24])=[CH:21][N:20]=[C:19]2[CH3:26])[CH:6]=[CH:5][N:4]=1.S(Cl)([Cl:29])=O.C(=O)([O-])O.[Na+]>ClCCl>[Cl:29][CH2:2][C:3]1[C:8]([CH3:9])=[C:7]([S:10][CH2:11][CH2:12][CH2:13][CH2:14][S:15][CH2:16][CH2:17][N:18]2[C:22]([N+:23]([O-:25])=[O:24])=[CH:21][N:20]=[C:19]2[CH3:26])[CH:6]=[CH:5][N:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 24386Thionyl ChlorideHCID 516892Sodium BicarbonateHCID 538997552-Hydroxymethyl-3-methyl-4-{4-[2-(2-methyl-5-nitroimidazol-1-yl)ethylthio]butylthio}pyridine

생성물 1

HCID 544598052-Chloromethyl-3-methyl-4-{4-[2-(2-methyl-5-nitroimidazol-1-yl)ethylthio]butylthio}pyridine

시약·촉매·용매 1

HCID 6344Dichloromethane용매2회

실험 절차

4 g (10 mmol) of 2-hydroxymethyl-3-methyl-4-{4-[2-(2-methyl-5-nitroimidazol-1-yl)ethylthio]butylthio}-pyridine are dissolved in 40 ml of dichloromethane. 1.56 g (13.11 mmol) of thionyl chloride in 5 ml of dichloromethane are added dropwise with ice-cooling. The mixture is stirred at 0C for 2 h. It is then added to 250 ml of ice-water and neutralized with saturated sodium hydrogen carbonate solution. The dichloromethane phase is separated off and the aqueous phase is extracted again with dichloromethane. The combined organic phases are washed with water, dried over magnesium sulfate, filtered and concentrated. The title compound is obtained as a yellow oil which is reacted without further purification. Yield 4.15 g (100% of theory).

후처리

  1. temperaturecooling
  2. customThe dichloromethane phase is separated off
  3. extractionthe aqueous phase is extracted again with dichloromethane
  4. washThe combined organic phases are washed with water
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-22fd99d6b14a45b1a9dde0fde42a0d7b
출처 데이터셋
uspto-grants-1999_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05859030

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