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Water → 3-{4-Chloro-2-fluoro-5-(3-butyn-2-yloxy)phenyl}-1-methyl-6-trifluoromethyl-2-oxo-1,2-dihydropyrazine

HRID 849950
ノート
印刷プレビュー

反応式

HRID 849950 の反応式
[Cl:1][C:2]1[C:7]([OH:8])=[CH:6][C:5]([C:9]2[C:10](=[O:20])[N:11]([CH3:19])[C:12]([C:15]([F:18])([F:17])[F:16])=[CH:13][N:14]=2)=[C:4]([F:21])[CH:3]=1.C(=O)([O-])[O-].[K+].[K+].Br[CH:29]([CH3:32])[C:30]#[CH:31].O>CN(C)C=O>[Cl:1][C:2]1[C:7]([O:8][CH:30]([C:29]#[CH:32])[CH3:31])=[CH:6][C:5]([C:9]2[C:10](=[O:20])[N:11]([CH3:19])[C:12]([C:15]([F:18])([F:17])[F:16])=[CH:13][N:14]=2)=[C:4]([F:21])[CH:3]=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 962WaterHCID 11430Potassium CarbonateHCID 109424653-Bromo-1-butyneHCID 193655113-(4-Chloro-2-fluoro-5-hydroxyphenyl)-1-methyl-6-trifluoromethyl-2-oxo-1,2-dihydropyrazine2 回

生成物 1

HCID 193655373-{4-Chloro-2-fluoro-5-(3-butyn-2-yloxy)phenyl}-1-methyl-6-trifluoromethyl-2-oxo-1,2-dihydropyrazine収率 83%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
70 °C

実験手順

First, 100 mg of 3-(4-chloro-2-fluoro-5-hydroxyphenyl)-1-methyl-6-trifluoromethyl-2-oxo-1,2-dihydropyrazine (present compound 1-61) was dissolved in 0.60 ml of N,N-dimethylformamide, to which 64 mg of potassium carbonate and 45 mg of 3-bromo-1-butyne were added, and the mixture was stirred at 70° C. for 1 hour. After completion of the reaction, the reaction mixture was poured into water, followed by extraction with ethyl acetate. The organic layer was washed with saturated sodium chloride solution, dried with anhydrous magnesium sulfate, and concentrated. The residue was subjected to silica gel column chromatography, which afforded 96 mg (yield, 83%) of 3-{4-chloro-2-fluoro-5-(3-butyn-2-yloxy)phenyl}-1-methyl-6-trifluoromethyl-2-oxo-1,2-dihydropyrazine (present compound 1-157).

後処理

  1. additionwere added
  2. customAfter completion of the reaction
  3. extractionfollowed by extraction with ethyl acetate
  4. washThe organic layer was washed with saturated sodium chloride solution
  5. dry with materialdried with anhydrous magnesium sulfate
  6. concentrationconcentrated

出典と根拠

ORDレコード
ord-93f47211ab074f1aa1236e83d8062b6c
出典データセット
uspto-grants-2000_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06015774

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