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Diisopropylethylamine → (1R,3S,5R)-3-(2-(6-bromoquinoxalin-2-yl)-2-oxoethyl) 2-tert-butyl 2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate

HRID 625610
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HRID 625610 반응식
CCN(C(C)C)C(C)C.Br[CH2:11][C:12]([C:14]1[CH:23]=[N:22][C:21]2[C:16](=[CH:17][CH:18]=[C:19]([Br:24])[CH:20]=2)[N:15]=1)=[O:13].[C:25]([O:29][C:30]([N:32]1[C@H:37]([C:38]([OH:40])=[O:39])[CH2:36][C@@H:35]2[C@H:33]1[CH2:34]2)=[O:31])([CH3:28])([CH3:27])[CH3:26]>C(#N)C>[C@@H:33]12[CH2:34][C@@H:35]1[CH2:36][C@@H:37]([C:38]([O:40][CH2:11][C:12]([C:14]1[CH:23]=[N:22][C:21]3[C:16](=[CH:17][CH:18]=[C:19]([Br:24])[CH:20]=3)[N:15]=1)=[O:13])=[O:39])[N:32]2[C:30]([O:29][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:31]
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참가 물질

5

반응물 3

HCID 81531DiisopropylethylamineHCID 11020613(1R,3S,5R)-2-(tert-Butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-3-carboxylic acidHCID 584986562-Bromo-1-(6-bromoquinoxalin-2-yl)ethanone

생성물 1

HCID 58498830(1R,3S,5R)-3-(2-(6-bromoquinoxalin-2-yl)-2-oxoethyl) 2-tert-butyl 2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate수율 87%

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

실험 절차

DIPEA (0.040 mL, 0.227 mmol) was added to a solution of 2-bromo-1-(6-bromoquinoxalin-2-yl)ethanone (50 mg, 0.152 mmol) and (1R,3S,5R)-2-(tert-butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid (37.9 mg, 0.167 mmol) in acetonitrile (1.5 mL) and the mixture was stirred at rt for 16 h. The solvent was evaporated and the residue was partitioned between EtOAc (20 mL)/aq. sat. NaHCO3 (5 mL). The organic layer was dried (MgSO4), filtered and concentrated to yield crude (1R,3S,5R)-3-(2-(6-bromoquinoxalin-2-yl)-2-oxoethyl) 2-tert-butyl 2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate (63 mg) as orange solid. LC-MS retention time 2.74 min; m/z 476 [M+H]+. (Column PHENOMENEX® Luna 3.0×50 mm 510. Solvent A=90% water: 10% methanol: 0.1% TFA. Solvent B=10% water: 90% methanol: 0.1% TFA. Flow Rate=4 mL/min. Start % B=0. Final % B=100. Gradient Time=3 min. Wavelength=220).

후처리

  1. customThe solvent was evaporated
  2. customthe residue was partitioned between EtOAc (20 mL)/aq
  3. dry with materialThe organic layer was dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-284cb59a7bf343bfaef6d9a570f5d489
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09303007B2

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