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Potassium Carbonate → (2R,4S)-4-{(3,5-bis-trifluoromethyl-benzyl)-[5-(3-methyl-2-oxo-imidazolidin-1-yl)-pyrimidin-2-yl]-amino}-2-ethyl-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 409498
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HRID 409498 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([N:13]([CH2:21][C:22]2[CH:27]=[C:26]([C:28]([F:31])([F:30])[F:29])[CH:25]=[C:24]([C:32]([F:35])([F:34])[F:33])[CH:23]=2)[C:14]2[N:19]=[CH:18][C:17](Br)=[CH:16][N:15]=2)[CH2:10][C@H:9]1[CH2:36][CH3:37])=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:38][N:39]1[CH2:43][CH2:42][NH:41][C:40]1=[O:44].C([O-])([O-])=O.[K+].[K+]>O1CCOCC1.CCOC(C)=O.[Cu]I>[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([N:13]([CH2:21][C:22]2[CH:27]=[C:26]([C:28]([F:31])([F:30])[F:29])[CH:25]=[C:24]([C:32]([F:35])([F:34])[F:33])[CH:23]=2)[C:14]2[N:19]=[CH:18][C:17]([N:41]3[CH2:42][CH2:43][N:39]([CH3:38])[C:40]3=[O:44])=[CH:16][N:15]=2)[CH2:10][C@H:9]1[CH2:36][CH3:37])=[O:7])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

7

반응물 3

HCID 11430Potassium CarbonateHCID 5676001-Methylimidazolidin-2-oneHCID 59614321(2R,4S)-4-[(3,5-Bis-trifluoromethyl-benzyl)-(5-bromo-pyrimidin-2-yl)-amino]-2-ethyl-pyrrolidine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 59614381(2R,4S)-4-{(3,5-bis-trifluoromethyl-benzyl)-[5-(3-methyl-2-oxo-imidazolidin-1-yl)-pyrimidin-2-yl]-amino}-2-ethyl-pyrrolidine-1-carboxylic acid tert-butyl ester수율 61%

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

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온도
180 °C

실험 절차

In a 2 mL glass microwave reaction vessel are placed in (2R,4S)-4-[(3,5-bis-trifluoromethyl-benzyl)-(5-bromo-pyrimidin-2-yl)-amino]-2-ethyl-pyrrolidine-1-carboxylic acid tert-butyl ester (200 mg, 0.32 mmol), 1-Methyl-imidazolidin-2-one (35 mg, 0.35 mmol), CuI (123.4 mg, 0.35 mmol), trans-1,2-cyclohexane (0.005 mL, 0.35 mmol), K2CO3 (88 mg, 0.64 mmol) in dry dioxane (2 mL). The reaction vessel is sealed and heated under microwave irradiation at 180° C. for 20 min. After completion of the reaction, the solvent is diluted with EtOAc and washed with sat. NH3 (aq.), water, dried (Na2SO4), and concentrated under reduced pressure. The residue is purified by flash chromatography on silica gel to give (2R,4S)-4-{(3,5-bis-trifluoromethyl-benzyl)-[5-(3-methyl-2-oxo-imidazolidin-1-yl)-pyrimidin-2-yl]-amino}-2-ethyl-pyrrolidine-1-carboxylic acid tert-butyl ester (120 mg, 61%).

후처리

  1. customThe reaction vessel is sealed
  2. customAfter completion of the reaction
  3. washwashed with sat. NH3 (aq.), water
  4. dry with materialdried (Na2SO4)
  5. concentrationconcentrated under reduced pressure
  6. customThe residue is purified by flash chromatography on silica gel

출처 및 근거

ORD 기록
ord-6232eea92e6c45b8ab7d8529174b34d6
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08759365B2

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