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Triethylamine → N-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]propan-2-yl}-N-cyclopropyl-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide

HRID 589300
ノート
印刷プレビュー

反応式

HRID 589300 の反応式
[F:1][CH:2]([F:13])[C:3]1[C:7]([C:8](Cl)=[O:9])=[C:6]([F:11])[N:5]([CH3:12])[N:4]=1.[Cl:14][C:15]1[C:16]([CH2:25][CH:26]([NH:28][CH:29]2[CH2:31][CH2:30]2)[CH3:27])=[N:17][CH:18]=[C:19]([C:21]([F:24])([F:23])[F:22])[CH:20]=1.C(N(CC)CC)C>O1CCCC1>[Cl:14][C:15]1[C:16]([CH2:25][CH:26]([N:28]([CH:29]2[CH2:31][CH2:30]2)[C:8]([C:7]2[C:3]([CH:2]([F:13])[F:1])=[N:4][N:5]([CH3:12])[C:6]=2[F:11])=[O:9])[CH3:27])=[N:17][CH:18]=[C:19]([C:21]([F:24])([F:22])[F:23])[CH:20]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 8471TriethylamineHCID 529205085-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carbonyl chlorideHCID 86685669N-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]propan-2-yl}cyclopropanamine

生成物 1

HCID 86685668N-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]propan-2-yl}-N-cyclopropyl-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide収率 49.9%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒
2 回

実験手順

At ambient temperature, a solution of 74 mg (0.35 mmol) of 3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carbonyl chloride in 2 ml of tetrahydrofurane is added dropwise to a solution of 100 mg (0.317 mmol) of N-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]propan-2-yl}cyclopropanamine and 0.137 ml (0.984 mmol) of triethylamine in 3 ml of tetrahydrofurane. The reaction mixture is stirred for 15 hrs at ambient temperature. The solvent is removed under vacuum and 50 ml of water are then added to the residue. The watery layer is extracted twice with ethyl acetate (2×25 ml) and the combined organic layers are successively washed by a 1 N solution of HCl, a saturated solution of potassium carbonate and brine and dried over magnesium sulfate to yield after concentration 131 mg of an oil. Column chromatography on silica gel (gradient heptane/ethyl acetate) yields 72 mg (47% yield) of N-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]propan-2-yl}-N-cyclopropyl-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide as a colorless oil (M+H=455).

後処理

  1. customThe solvent is removed under vacuum and 50 ml of water
  2. additionare then added to the residue
  3. extractionThe watery layer is extracted twice with ethyl acetate (2×25 ml)
  4. washthe combined organic layers are successively washed by a 1 N solution of HCl
  5. dry with materiala saturated solution of potassium carbonate and brine and dried over magnesium sulfate
  6. customto yield after concentration 131 mg of an oil

出典と根拠

ORDレコード
ord-02447e021a694ee78c953b1439e36da9
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09232799B2

反応ノート

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