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Water → [3-(3,5-Dimethyl-4-isoxazolyl)-4-(methyloxy)phenyl]amine 3-(3,5-dimethyl-4-isoxazolyl)-4-(methyloxy)aniline

HRID 81973
ノート
印刷プレビュー

反応式

HRID 81973 の反応式
[CH3:1][C:2]1[C:6]([C:7]2[CH:12]=[C:11]([N+:13]([O-])=O)[CH:10]=[CH:9][C:8]=2[O:16][CH3:17])=[C:5]([CH3:18])[O:4][N:3]=1.O.CC1C=C2N=C3C(=NC(NC3=O)=O)N(C[C@H](O)[C@H](O)[C@H](O)CO)C2=CC=1C>CCOC(C)=O.C(O)C.[Pd]>[CH3:1][C:2]1[C:6]([C:7]2[CH:12]=[C:11]([CH:10]=[CH:9][C:8]=2[O:16][CH3:17])[NH2:13])=[C:5]([CH3:18])[O:4][N:3]=1.[CH3:1][C:2]1[C:6]([C:7]2[CH:12]=[C:11]([NH2:13])[CH:10]=[CH:9][C:8]=2[O:16][CH3:17])=[C:5]([CH3:18])[O:4][N:3]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 962WaterHCID 493570RiboflavinHCID 574655703,5-Dimethyl-4-[2-(methyloxy)-5-nitrophenyl]isoxazole

生成物 1

HCID 67207803[3-(3,5-Dimethyl-4-isoxazolyl)-4-(methyloxy)phenyl]amine 3-(3,5-dimethyl-4-isoxazolyl)-4-(methyloxy)aniline収率 100%

試薬・触媒・溶媒 3

HCID 23938Palladium触媒
HCID 702
Ethanol
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

3,5-Dimethyl-4-[2-(methyloxy)-5-nitrophenyl]isoxazole (for a preparation see Intermediate 1) (43.9 g, 177 mmol) was dissolved in EtOAc (1 liter) diluted with ethanol (1 liter) and added to Pd/C (8 g, 5% w/w, 50% water, Type E101 NO/W) in a 5 liter hydrogenation flask under vacuum, having first purged the vessel twice with vacuum/nitrogen cycles. The mixture was stirred for 24 h. No hydrogen uptake for the first 8-10 h, then steady uptake till approximately 20 liters had been consumed. The mixture purged with vacuum/nitrogen cycle×3 then was filtered through Celite™ under nitrogen and the filtrate evaporated in vacuo to give [3-(3,5-dimethyl-4-isoxazolyl)-4-(methyloxy)phenyl]amine 3-(3,5-dimethyl-4-isoxazolyl)-4-(methyloxy)aniline (38.6 g, 177 mmol, 100% yield) as a brown crystalline solid. LCMS (formate) Rt 0.50 min, MH+ 219

後処理

  1. customhaving first purged the vessel twice with vacuum/nitrogen cycles
  2. customNo hydrogen uptake for the first 8-10 h, then steady uptake till approximately 20 liters had been consumed
  3. customThe mixture purged with vacuum/nitrogen cycle×3
  4. filtrationthen was filtered through Celite™ under nitrogen
  5. customthe filtrate evaporated in vacuo

出典と根拠

ORDレコード
ord-8e1596df40d348afbf02e279f3aa4ce6
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846709B2

反応ノート

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