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Triethylamine → tert-Butyl [(1S,3R)-3-ethyl-3-(4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]carbamate

HRID 1044618
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HRID 1044618 반응식
[C:1]([O:5][C:6]([NH:8][C@H:9]1[CH2:13][CH2:12][C@@:11]([CH2:17][CH3:18])([C:14]([OH:16])=O)[CH2:10]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl.Cl.[F:21][C:22]([F:36])([F:35])[C:23]1[CH:28]=[CH:27][N:26]=[C:25]([N:29]2[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]2)[CH:24]=1.C(N(CC)CC)C>CN(C=O)C>[C:1]([O:5][C:6](=[O:7])[NH:8][C@H:9]1[CH2:13][CH2:12][C@@:11]([CH2:17][CH3:18])([C:14]([N:32]2[CH2:33][CH2:34][N:29]([C:25]3[CH:24]=[C:23]([C:22]([F:36])([F:21])[F:35])[CH:28]=[CH:27][N:26]=3)[CH2:30][CH2:31]2)=[O:16])[CH2:10]1)([CH3:2])([CH3:3])[CH3:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 68597010(1R,3S)-3-[(tert-butoxycarbonyl)amino]-1-ethylcyclopentanecarboxylic acidHCID 685975881-[4-(Trifluoromethyl)pyridin-2-yl]piperazine dihydrochloride

생성물 1

HCID 86633371tert-Butyl [(1S,3R)-3-ethyl-3-(4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]carbamate수율 72.9%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

To a solution of (1R,3S)-3-[(tert-butoxycarbonyl)amino]-1-ethylcyclopentanecarboxylic acid (0.30 g, 1.2 mmol) and 1-[4-(trifluoromethyl)pyridin-2-yl]piperazine dihydrochloride (0.39 g, 1.3 mmol) in DMF (10 mL) under N2 was added triethylamine (0.65 mL, 4.7 mmol) and O-(Benzotriazol-1-yl)-N,N,N′,N-tetramethyluronium hexafluorophosphate (0.663 g, 1.75 mmol). After being stirred at room temperature overnight, the reaction was quenched with saturated NaHCO3 and extracted with methylene chloride three times. The combined extracts were dried (MgSO4), filtered, concentrated and purified by flash column chromatography to yield the desired product (400 mg, 72.9%). MS calculated for C23H34F3N4O3: (M+H) 471.3; found 371.2 (M+H-Boc).

후처리

  1. customthe reaction was quenched with saturated NaHCO3
  2. extractionextracted with methylene chloride three times
  3. dry with materialThe combined extracts were dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. custompurified by flash column chromatography

출처 및 근거

ORD 기록
ord-2bd6f726cecd48b8b221e75876b69d72
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08563582B2

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