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Ammonium Chloride → HCID 18005445、化合物

HRID 989241
ノート
印刷プレビュー

反応式

HRID 989241 の反応式
[H-].[K+].[NH2:3][C:4]1[N:8]([C:9]2[C:14]([Cl:15])=[CH:13][C:12]([C:16]([F:19])([F:18])[F:17])=[CH:11][C:10]=2[Cl:20])[N:7]=[C:6]([C:21]#[N:22])[C:5]=1[S:23]([CH3:25])=[O:24].[CH2:26]([S:28]([CH:31]=[CH2:32])(=[O:30])=[O:29])[CH3:27].[Cl-].[NH4+]>CN(C)C=O>[Cl:20][C:10]1[CH:11]=[C:12]([C:16]([F:17])([F:18])[F:19])[CH:13]=[C:14]([Cl:15])[C:9]=1[N:8]1[C:4]([NH:3][CH2:27][CH2:26][S:28]([CH2:31][CH3:32])(=[O:30])=[O:29])=[C:5]([S:23]([CH3:25])=[O:24])[C:6]([C:21]#[N:22])=[N:7]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 4

HCID 25517Ammonium ChlorideHCID 74680(Ethylsulfonyl)etheneHCID 82127Potassium hydrideHCID 108618955-Amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-methylsulfinylpyrazole

生成物 1

HCID 18005445HCID 18005445、化合物収率 31.1%

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒
3 回

反応条件

温度
20 °C

実験手順

To a suspension of 35% potassium hydride in oil (0.7 g) in dry N,N-dimethylformamide (DMF) was added a solution of 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-(methylsulfinyl)-1H-pyrazole-3-carbonitrile (10.0 g) in dry DMF dropwise at 4° C. over 10 minutes. After stirring for 20 minutes, vinyl ethyl sulfone (3.13 g) in dry DMF was added during 5 hours at 4° C. The mixture was stirred overnight under nitrogen with warming to 20° C. Ammonium chloride was added at 4° C., and the mixture extracted (ethyl acetate), washed twice with water, dried (sodium sulfate) and evaporated. Crystallization from ethyl acetate/methanol/hexane gave 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5-[2-(ethylsulfonyl)ethylamino]-4-(methylsulfinyl)-1H-pyrazole-3-carbonitrile (4.08 g), m.p.131-132° C. By proceeding in a similar manner the following compounds were prepared:

後処理

  1. stirringThe mixture was stirred overnight under nitrogen
  2. extractionthe mixture extracted (ethyl acetate)
  3. washwashed twice with water
  4. dry with materialdried (sodium sulfate)
  5. customevaporated
  6. customCrystallization from ethyl acetate/methanol/hexane

出典と根拠

ORDレコード
ord-0adbf66a133a438da1bde4a173119796
出典データセット
uspto-grants-2003_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06638956B2

反応ノート

読み込み中…

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