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4-Bromophenol → (7aS,6S)-2-(3,5-dichloro-phenyl)-6-(4-bromophenoxy)-tetrahydro-pyrrolo[1,2-c]imidazole-1,3-dione

HRID 49981
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HRID 49981 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([N:9]2[C:13](=[O:14])[C@@H:12]3[CH2:15][C@@H:16]([OH:18])[CH2:17][N:11]3[C:10]2=[O:19])[CH:5]=[C:6]([Cl:8])[CH:7]=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Br:39][C:40]1[CH:45]=[CH:44][C:43](O)=[CH:42][CH:41]=1.CC(OC(/N=N/C(OC(C)C)=O)=O)C>C1COCC1>[Cl:1][C:2]1[CH:3]=[C:4]([N:9]2[C:13](=[O:14])[C@@H:12]3[CH2:15][C@H:16]([O:18][C:43]4[CH:44]=[CH:45][C:40]([Br:39])=[CH:41][CH:42]=4)[CH2:17][N:11]3[C:10]2=[O:19])[CH:5]=[C:6]([Cl:8])[CH:7]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 78084-BromophenolHCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 58840802(6R,7aS)-2-(3,5-dichlorophenyl)-6-hydroxytetrahydro-1H-pyrrolo[1,2-c]imidazole-1,3(2H)-dione

생성물 1

HCID 9804074(7aS,6S)-2-(3,5-dichloro-phenyl)-6-(4-bromophenoxy)-tetrahydro-pyrrolo[1,2-c]imidazole-1,3-dione수율 6.6%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

To a solution of (7aS,6R)-2-(3,5-dichloro-phenyl)-6-hydroxy-tetrahydro-pyrrolo[1,2-c]imidazole-1,3-dione (0.5 g) (1.67 mmol) (Preparation 2), Ph3P (0.44 g) (1eq.) and 4-bromophenol (0.29 g) (1 eq.) in 5 mL of dry THF at 0° C. was added DIAD (0.337 g) in a minimal volume of THF. The reaction mixture was warmed to RT overnight. After evaporating the solvent, the residue was dissolved in DCM, washed with NaHCO3 solution, water, dried over MgSO4, and the solvent was evaporated under reduced pressure, to afford after SiO2 chromatography (eluent: DCM) the titled compound as a white solid (50 mg). Mp=116° C. NMR (DMSO, 200 MHz): 7.75 (1H, m), 7.5-7.4 (4H, d+d), 6.85 (2H, d), 5.1 (1H, m), 4.6 (1H, dd), 3.95 (1H, dd), 3.35 (1H, dd), 2.7-2.5 (1H, m), 2.25 (1H, bd).

후처리

  1. customAfter evaporating the solvent
  2. dissolutionthe residue was dissolved in DCM
  3. washwashed with NaHCO3 solution, water
  4. dry with materialdried over MgSO4
  5. customthe solvent was evaporated under reduced pressure

출처 및 근거

ORD 기록
ord-0b773038a2204702ba39139d0698cd2b
출처 데이터셋
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06710064B2

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