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

HRID 1436813
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HRID 1436813 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.F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2C=CC=CC=2N=N1>CN(C=O)C>[CH2:17]([C@@:11]1([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])[CH2:12][CH2:13][C@H:9]([NH:8][C:6](=[O:7])[O:5][C:1]([CH3:2])([CH3:3])[CH3:4])[CH2:10]1)[CH3:18]
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참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 68597010(1R,3S)-3-[(tert-butoxycarbonyl)amino]-1-ethylcyclopentanecarboxylic acidHCID 685975881-[4-(Trifluoromethyl)pyridin-2-yl]piperazine dihydrochloride

생성물 1

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

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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-55ce03697eab41648560dda3cf545893
출처 데이터셋
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07618970B2

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