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1,2-Dichlorobenzene → 5-[3-chloro-4-(3-chloro-5-trifluoromethylpyridine-2-yloxy)phenyl]-3-(2,6-difluorophenyl)-1-methyl-1H-1,2,4-triazole

HRID 1940733
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인쇄 미리보기

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HRID 1940733 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[F:12].[Cl:23][C:24]1[CH:25]=[C:26]([CH:29]=[CH:30][C:31]=1[O:32][C:33]1[C:38]([Cl:39])=[CH:37][C:36]([C:40]([F:43])([F:42])[F:41])=[CH:35][N:34]=1)[C:27]#[N:28].ClC1C=CC=CC=1Cl>C(Cl)(Cl)Cl.[Fe](Cl)(Cl)Cl>[Cl:23][C:24]1[CH:25]=[C:26]([C:27]2[N:2]([CH3:1])[N:3]=[C:4]([C:5]3[C:6]([F:12])=[CH:7][CH:8]=[CH:9][C:10]=3[F:11])[N:28]=2)[CH:29]=[CH:30][C:31]=1[O:32][C:33]1[C:38]([Cl:39])=[CH:37][C:36]([C:40]([F:43])([F:41])[F:42])=[CH:35][N:34]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 72391,2-DichlorobenzeneHCID 214635773-Chloro-4-(3-chloro-5-trifluoromethylpyridine-2-yloxy)benzonitrileHCID 53707170N-methyl-N-(benzenesulfonyl)-2,6-difluorobenzohydrazonoyl chloride

생성물 1

HCID 214636245-[3-chloro-4-(3-chloro-5-trifluoromethylpyridine-2-yloxy)phenyl]-3-(2,6-difluorophenyl)-1-methyl-1H-1,2,4-triazole수율 53.5%

시약·촉매·용매 2

HCID 24380
Iron chloride (FeCl3)
촉매
HCID 6212Chloroform용매

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온도
140 °C

실험 절차

A mixture of N-methyl-N-(benzenesulfonyl)-2,6-difluorobenzohydrazonoyl chloride (0.90 g), 3-chloro-4-(3-chloro-5-trifluoromethylpyridine-2-yloxy)benzonitrile (0.90 g), anhydrous iron (III) chloride (0.50 g) and o-dichlorobenzene (5 ml) is stirred at an oil bath temperature of 140° C. for 30 minutes. After cooling, it is dissolved in chloroform (100 ml) and washed with dilute hydrochloric acid, dilute aqueous solution of sodium hydroxide and saline. Then, it is 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 0.70 g of desired compound.

후처리

  1. temperatureAfter cooling
  2. washwashed with dilute hydrochloric acid, dilute aqueous solution of sodium hydroxide and saline
  3. dry with materialThen, it is dried 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-1d2ab923b37244dab4a5e2eeca612ce6
출처 데이터셋
uspto-grants-1997_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05700824

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