Dimethylformamide → 1-Methyl-4-trifluoromethyl-1h-pyrrole-3-carboxylic acid[2-(2-cyclopropylcyclobutyl)phenyl]amide

HRID 2240481ノート

反応式

HRID 2240481 の反応式
CN1C=C[C:4]([C:7]([OH:9])=O)=[C:3]1[C:10]([F:13])([F:12])[F:11].[CH3:14][N:15]([CH:17]=O)[CH3:16].[CH:19]1([CH:22]2[CH2:25][CH2:24][CH:23]2[C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=2[NH2:32])[CH2:21][CH2:20]1.C(N(CC)CC)C>C(Cl)Cl>[CH:19]1([CH:22]2[CH2:25][CH2:24][CH:23]2[C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=2[NH:32][C:7]([C:4]2[C:3]([C:10]([F:11])([F:12])[F:13])=[CH:16][N:15]([CH3:14])[CH:17]=2)=[O:9])[CH2:20][CH2:21]1

参加物

6

実験手順

190 mg (1 mmol) 1-Methyl-trifluoromethyl-1H-pyrrole-3-carboxylic acid and 140 mg (1.05 mmol) oxalylic acid chloride were dissolved in 10 ml methylene chloride. The solution was stirred for 3 hours at room temperature in the presence of catalytic amounts of DMF. Then the resulting reaction mixture was slowly added to a solution consisting of 190 mg (1 mmol) 2-(2-cyclopropylcyclobutyl)phenylamine (prepared as described in Example 5), 200 mg (2 mmol) of triethylamine and 10 ml methylene chloride. After stirring for 16 hours at room temperature the solvent was distilled off and the raw material purified by flash chromatography over silica gel (eluant: hexane/methylene chloride/ethyl acetate 2:2:1). Yield: 240 mg (66% of theory) of 1-methyl-4-trifluoromethyl-1H-pyrrole-3-carboxylic acid [2-(2-cyclopropylcyclobutyl)phenyl]amide (cis-isomer) in the form of slightly yellow crystals (mp.: 167-169° C.).

後処理

  1. customThen the resulting reaction mixture
  2. additionwas slowly added to a solution
  3. distillationwas distilled off
  4. customthe raw material purified by flash chromatography over silica gel (eluant: hexane/methylene chloride/ethyl acetate 2:2:1)

出典と根拠

ORDレコード
ord-16f2e4416b104defa6052f6a8095d245
出典データセット
uspto-grants-2010_05
特許番号
US07723371B2

反応ノート

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