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1,2-Dichlorobenzene → 5-[3-chloro-4-(3,4-dichlorobenzyl)phenyl]-3-(2-chloro-6-fluorophenyl)-1-methyl-1H-1,2,4-triazole

HRID 1940716
ノート
印刷プレビュー

反応式

HRID 1940716 の反応式
[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].[Cl:23][C:24]1[CH:25]=[C:26]([CH:29]=[CH:30][C:31]=1[CH2:32][C:33]1[CH:38]=[CH:37][C:36]([Cl:39])=[C:35]([Cl:40])[CH: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:10]([F:11])=[CH:9][CH:8]=[CH:7][C:6]=3[Cl:12])[N:28]=2)[CH:29]=[CH:30][C:31]=1[CH2:32][C:33]1[CH:38]=[CH:37][C:36]([Cl:39])=[C:35]([Cl:40])[CH:34]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 72391,2-DichlorobenzeneHCID 214636303-Chloro-4-(3,4-dichlorobenzyl)benzonitrileHCID 53760501N-methyl-N-phenylsulfonyl-2-chloro-6-fluorobenzohydrazonoyl chloride

生成物 1

HCID 214636105-[3-chloro-4-(3,4-dichlorobenzyl)phenyl]-3-(2-chloro-6-fluorophenyl)-1-methyl-1H-1,2,4-triazole収率 48%

試薬・触媒・溶媒 2

HCID 24380
Iron chloride (FeCl3)
触媒
HCID 6212Chloroform溶媒

反応条件

温度
140 °C

実験手順

A mixture of N-methyl-N-(benzenesulfonyl)-2-chloro-6-fluorobenzohydrazonoyl chloride (1.00 g), 3-chloro-4-(3,4-dichlorobenzyl)benzonitrile (0.93 g), anhydrous iron (III) chloride (0.50 g) and o-dichlorobenzene (5 ml) is stirred at an oil bath temperature of 140° C. for 1 hour. After cooling, the reaction mixture is dissolved in chloroform (300 ml), washed with dilute hydrochrolic 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 0.64 g of desired compound (melting point: 179.0°-185.0° C.).

後処理

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

出典と根拠

ORDレコード
ord-a3ad2ad31c3f48a9a9641c6ce9f1000b
出典データセット
uspto-grants-1997_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05700824

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート