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Potassium Carbonate → Tert-butyl 2-(4-oxo-8-(4-oxo-4-phenylbutyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl)benzoate

HRID 1751127
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HRID 1751127 반응식
[O:1]=[C:2]1[C:6]2([CH2:11][CH2:10][NH:9][CH2:8][CH2:7]2)[N:5]([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH2:4][N:3]1[C:18]1[CH:30]=[CH:29][CH:28]=[CH:27][C:19]=1[C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21].I[CH2:32][CH2:33][CH2:34][C:35]([C:37]1[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=1)=[O:36].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[O:1]=[C:2]1[C:6]2([CH2:7][CH2:8][N:9]([CH2:32][CH2:33][CH2:34][C:35](=[O:36])[C:37]3[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=3)[CH2:10][CH2:11]2)[N:5]([C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=2)[CH2:4][N:3]1[C:18]1[CH:30]=[CH:29][CH:28]=[CH:27][C:19]=1[C:20]([O:22][C:23]([CH3:24])([CH3:25])[CH3:26])=[O:21]
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5

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HCID 11430Potassium CarbonateHCID 110869514-Iodo-1-phenylbutan-1-oneHCID 58046768Tert-butyl 2-(4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl)benzoate

생성물 1

HCID 58046637Tert-butyl 2-(4-oxo-8-(4-oxo-4-phenylbutyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl)benzoate수율 82%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
68 °C

실험 절차

A mixture of tert-butyl 2-(4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl)benzoate (370 mg, 0.909 mmol, 1 equiv), 4-iodo-1-phenylbutan-1-one (250 mg, 0.909 mmol, 1 equiv) and potassium carbonate (251 mg, 1.82 mmol, 2 equiv) in N,N-dimethylformamide was stirred at 68° C. for 16 h. After cooling the reaction mixture, the crude mixture was partitioned between ethyl acetate and water. The organic layer was dried over MgSO4, filtered, concentrated, and the crude residue was purified using the Biotage flash chromatography system (SNAP 50 g cartridge, Rf=0.5, gradient—1%-10% methanol in dichloromethane) to afford the title compound as a white powder (410 mg, 82%); 1H NMR (400 MHz, DMSO-d6): δ 1.49 (s, 9H); 1.74-1.83 (m, 4H); 2.37 (t, 2H, J=7.2 Hz); 2.61 (t, 2H, J=10 and 11.2 Hz); 2.726-2.73 (m, 4H); 3.05 (t, 2H, J=6.8 and 7.2 Hz); 5.06 (s, 2H); 6.79 (t, 1H, J=7.2 and 7.6 Hz); 6.87 (s, 1H); 6.89 (s, 1H); 7.20 (m, 2H); 7.46-7.69 (m, 6H); 7.76-7.78 (m, 1H); 7.95-7.99 (m, 2H); MS for C34H39N3O4 m/z 554.3 (M+H)+.

후처리

  1. temperatureAfter cooling the reaction mixture
  2. customthe crude mixture was partitioned between ethyl acetate and water
  3. dry with materialThe organic layer was dried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customthe crude residue was purified

출처 및 근거

ORD 기록
ord-e057a96da6b34a53b44386c4587c171b
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09156840B2

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