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Phenethyl bromide → tert-butyl (3S,5R)-3-{(2-methylpropyl){{1-(2-phenylethyl)-1H-benzimidazol-2-yl}carbonyl}amino}-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate

HRID 2168957
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HRID 2168957 반응식
[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[C:10]([N:12]([CH2:34][CH:35]([CH3:37])[CH3:36])[C@H:13]1[CH2:18][C@@H:17]([C:19]([N:21]2[CH2:26][CH2:25][O:24][CH2:23][CH2:22]2)=[O:20])[CH2:16][N:15]([C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[CH2:14]1)=[O:11].Br[CH2:39][CH2:40][C:41]1[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C)C=O>[CH3:36][CH:35]([CH3:37])[CH2:34][N:12]([C:10]([C:2]1[N:3]([CH2:39][CH2:40][C:41]2[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=2)[C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=2[N:1]=1)=[O:11])[C@H:13]1[CH2:18][C@@H:17]([C:19]([N:21]2[CH2:22][CH2:23][O:24][CH2:25][CH2:26]2)=[O:20])[CH2:16][N:15]([C:27]([O:29][C:30]([CH3:31])([CH3:32])[CH3:33])=[O:28])[CH2:14]1
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참가 물질

5

반응물 3

HCID 7666Phenethyl bromide2회HCID 10796Cesium carbonateHCID 58355717tert-Butyl (3S,5R)-3-{(1H-benzimidazol-2-ylcarbonyl)(2-methylpropyl)amino)-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate

생성물 1

HCID 58355172tert-butyl (3S,5R)-3-{(2-methylpropyl){{1-(2-phenylethyl)-1H-benzimidazol-2-yl}carbonyl}amino}-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
65 °C

실험 절차

tert-Butyl (3S,5R)-3-{(1H-benzimidazol-2-ylcarbonyl)(2-methylpropyl)amino}-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate (147 mg) was dissolved in dimethylformamide (12 ml), (2-bromoethyl)benzene (58 μl) and cesium carbonate (200 mg) were added and the mixture was stirred at 65° C. for 3 hr. (2-Bromoethyl)benzene (58 μl) was added, and the mixture was further stirred for 2 hr. The reaction mixture was concentrated under reduced pressure, diluted with water, and extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was subjected to silica gel chromatography, and a fraction eluted with ethyl acetate-hexane (1:9)-ethyl acetate was concentrated under reduced pressure to give the object product (164 mg).

후처리

  1. stirringthe mixture was further stirred for 2 hr
  2. concentrationThe reaction mixture was concentrated under reduced pressure
  3. additiondiluted with water
  4. extractionextracted with ethyl acetate
  5. washThe extract was washed with saturated brine
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated under reduced pressure
  8. washa fraction eluted with ethyl acetate-hexane (1:9)-ethyl acetate
  9. concentrationwas concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-081c4f22bfaa4219b8ec7211712dcb6c
출처 데이터셋
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09045436B2

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