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1-Hydroxybenzotriazole → {(S)-1-cyclohexyl-2-oxo-2-[(S)-2-(3-phenoxy-phenyl)-pyrrolidine-1-yl]-ethyl}-carbamic acid tert-butyl ester

HRID 222504
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HRID 222504 반응식
[O:1]([C:8]1[CH:9]=[C:10]([C@@H:14]2[CH2:18][CH2:17][CH2:16][NH:15]2)[CH:11]=[CH:12][CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:19][C:20]([O:23][C:24]([NH:26][C@H:27]([C:34](O)=[O:35])[CH:28]1[CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]1)=[O:25])([CH3:22])[CH3:21].C1C=CC2N(O)N=NC=2C=1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C.[Cl-].[Na+].O>[C:20]([O:23][C:24](=[O:25])[NH:26][C@@H:27]([CH:28]1[CH2:29][CH2:30][CH2:31][CH2:32][CH2:33]1)[C:34](=[O:35])[N:15]1[CH2:16][CH2:17][CH2:18][C@H:14]1[C:10]1[CH:11]=[CH:12][CH:13]=[C:8]([O:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)[CH:9]=1)([CH3:22])([CH3:19])[CH3:21]
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참가 물질

8

반응물 5

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 7004938N-(tert-Butoxycarbonyl)-L-cyclohexylglycineHCID 59787976(S)-2-(3-phenoxy-phenyl)-pyrrolidine

생성물 1

HCID 59787985
{(S)-1-cyclohexyl-2-oxo-2-[(S)-2-(3-phenoxy-phenyl)-pyrrolidine-1-yl]-ethyl}-carbamic acid tert-butyl ester
수율 68.7%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 57417360Sodium chloride; water용매

실험 절차

(S)-2-(3-phenoxy-phenyl)-pyrrolidine (1.2 g, 5.02 mmol) is added to a solution of Boc-L-α-cyclohexylglycine (1.42 g, 5.2 mmol), HOBt (1.0 g, 7.53 mmol) and HBTU (2.86 g, 7.53 mmol) in 10 mL of DMF. Hunig's base (3.6 Ml, 20 mmol) is added and the mixture is stirred for 30 minutes. The mixture is diluted with brine (20 mL) and extracted with EtOAc (3×10 mL). The organics were combined, dried over Na2SO4, filtered, concentrated under reduced pressures and purified by silica gel column chromatography (20% EtOAc/Hexanes) to give {(S)-1-cyclohexyl-2-oxo-2-[(S)-2-(3-phenoxy-phenyl)-pyrrolidine-1-yl]-ethyl}-carbamic acid tert-butyl ester as a white powder (1.65 g, 66%). LCMS m/z 479.2 (M+1).

후처리

  1. extractionextracted with EtOAc (3×10 mL)
  2. dry with materialdried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressures
  5. custompurified by silica gel column chromatography (20% EtOAc/Hexanes)

출처 및 근거

ORD 기록
ord-72d8606d0cc04e7c99c8526d137f18a3
출처 데이터셋
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08207183B2

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