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Pyridine → 2-(4-Chlorophenyloxy)-2-methylpropyl 2-[4-(4-chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionate

HRID 2419905
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HRID 2419905 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:27]=[CH:26][C:11]([CH2:12][O:13][C:14]([C:22]([F:25])([F:24])[F:23])([C:18]([F:21])([F:20])[F:19])[C:15](Cl)=[O:16])=[CH:10][CH:9]=2)=[CH:4][CH:3]=1.[Cl:28][C:29]1[CH:34]=[CH:33][C:32]([O:35][C:36]([CH3:40])([CH3:39])[CH2:37][OH:38])=[CH:31][CH:30]=1.N1C=CC=CC=1.C(Cl)(Cl)Cl>ClCCCl>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:9]=[CH:10][C:11]([CH2:12][O:13][C:14]([C:18]([F:19])([F:20])[F:21])([C:22]([F:23])([F:24])[F:25])[C:15]([O:38][CH2:37][C:36]([O:35][C:32]3[CH:31]=[CH:30][C:29]([Cl:28])=[CH:34][CH:33]=3)([CH3:40])[CH3:39])=[O:16])=[CH:26][CH:27]=2)=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 1049PyridineHCID 6212ChloroformHCID 191086602-(4-Chlorophenoxy)-2-methylpropan-1-olHCID 203144652-[4-(4-Chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionyl chloride

생성물 1

HCID 536972952-(4-Chlorophenyloxy)-2-methylpropyl 2-[4-(4-chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionate수율 62.6%

시약·촉매·용매 1

HCID 111,2-Dichloroethane용매2회

실험 절차

A solution of 2-[4-(4-chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionyl chloride (3.16 g.) in 1,2-dichloroethane (10 ml.) is added, dropwise and below 10° C., to a stirred mixture of 2-(4-chlorophenyloxy)-2-methylpropanol (1.40 g.), pyridine (4.0 ml.), and 1,2-dichloroethane (10 ml.). The mixture is stirred at ambient temperature for 20 hours, then mixed with ice-water and chloroform. The organic phase is separated, and washed with 3N-hydrochloric acid and water. 0.4N-Aqueous potassium hydroxide (5 ml.) and ice are added, the mixture is shaken, and enough ether is added to cause the resulting emulsion to separate into two layers. The organic layer is washed with water, dried and evaporated. The residual oil (3.6 g.) is chromatographed in light petroleum (b.p. 60°-80° C.) on a column of silica gel (45 g.). The column is washed portionwise with he solvent (2 l.) until no more material is eluted, and then with a mixture of light petroleum and ether (10:1, 200 ml.). This eluate is evaporated to give 2-(4-chlorophenyloxy)-2-methylpropyl 2-[4-(4-chlorophenyl)-benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionate (2.6 g.) as a syrup.

후처리

  1. customThe organic phase is separated
  2. washwashed with 3N-hydrochloric acid and water
  3. addition0.4N-Aqueous potassium hydroxide (5 ml.) and ice are added
  4. stirringthe mixture is shaken
  5. additionenough ether is added
  6. customto separate into two layers
  7. washThe organic layer is washed with water
  8. customdried
  9. customevaporated
  10. customThe residual oil (3.6 g.) is chromatographed in light petroleum (b.p. 60°-80° C.) on a column of silica gel (45 g.)
  11. washThe column is washed portionwise with he solvent (2 l.) until no more material
  12. washis eluted
  13. additionwith a mixture of light petroleum and ether (10:1, 200 ml.)
  14. customThis eluate is evaporated

출처 및 근거

ORD 기록
ord-b11fc3e0718a4d8e952b5581f4f885c3
출처 데이터셋
uspto-grants-1978_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04107329

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