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1,2-Dichlorobenzene → 5-(4-t-butyl-2-ethoxyphenyl)-3-(2-chloro-6-fluorophenyl) 1-methyl-1H-1,2,4-triazole

HRID 1940706
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HRID 1940706 반응식
[CH3:1][N:2](S(C1C=CC=CC=1)(=O)=O)[N:3]=[C:4](Cl)[C:5]1[C:10]([F:11])=[CH:9][CH:8]=[CH:7][C:6]=1[Cl:12].[C:23]([C:27]1[CH:34]=[CH:33][C:30]([C:31]#[N:32])=[C:29]([O:35][CH2:36][CH3:37])[CH:28]=1)([CH3:26])([CH3:25])[CH3:24].[Cl-].[Al+3].[Cl-].[Cl-].ClC1C=CC=CC=1Cl>C(Cl)(Cl)Cl>[C:23]([C:27]1[CH:34]=[CH:33][C:30]([C:31]2[N:2]([CH3:1])[N:3]=[C:4]([C:5]3[C:10]([F:11])=[CH:9][CH:8]=[CH:7][C:6]=3[Cl:12])[N:32]=2)=[C:29]([O:35][CH2:36][CH3:37])[CH:28]=1)([CH3:26])([CH3:24])[CH3:25]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

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6

반응물 4

HCID 72391,2-DichlorobenzeneHCID 6451240Aluminum(III) ChlorideHCID 214636124-(tert-Butyl)-2-ethoxybenzonitrileHCID 53760501N-methyl-N-phenylsulfonyl-2-chloro-6-fluorobenzohydrazonoyl chloride

생성물 1

HCID 214636525-(4-t-butyl-2-ethoxyphenyl)-3-(2-chloro-6-fluorophenyl) 1-methyl-1H-1,2,4-triazole수율 11.6%

시약·촉매·용매 1

HCID 6212Chloroform용매

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온도
140 °C

실험 절차

A mixture of N-methyl-N-(benzenesulfonyl)-2-chloro-6-fluorobenzohydrazonoyl chloride (1.60 g), 4-t-butyl-2-ethoxybenzonitrile (1.00 g), anhydrous aluminum chloride (0.60 g) and o-dichlorobenzene (5 ml) is stirred at an oil bath temperature of 140° C. for 30 minutes. After cooling, the reaction mixture is dissolved in chloroform (100 ml), washed with dilute hydrochloric acid, dilute aqueous solution of sodium hydroxide and saline in this order, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The concentrate is purified by silica gel column chromatography using mixed solvent of hexane-ethyl acetate as eluent to give 0.20 g of desired compound (melting point: 108.0°-111.0° C.).

후처리

  1. temperatureAfter cooling
  2. washwashed with dilute hydrochloric acid, dilute aqueous solution of sodium hydroxide and saline in this order
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe concentrate is purified by silica gel column chromatography
  6. additionusing mixed solvent of hexane-ethyl acetate as eluent

출처 및 근거

ORD 기록
ord-0b2fcfb64e614fea891a0e41f3159360
출처 데이터셋
uspto-grants-1997_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05700824

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