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1,1'-Carbonyldiimidazole → 9-[4-(1-aminocyclobutyl)phenyl]-8-phenyl[1,2,4]triazolo[4,3-h]-1,7-naphthyridin-3(2H)-one

HRID 1914823
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HRID 1914823 반응식
[NH:1]([C:3]1[N:4]=[CH:5][CH:6]=[C:7]2[C:12]=1[N:11]=[C:10]([C:13]1[CH:18]=[CH:17][C:16]([C:19]3([NH:23]C(=O)OC(C)(C)C)[CH2:22][CH2:21][CH2:20]3)=[CH:15][CH:14]=1)[C:9]([C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1)=[CH:8]2)[NH2:2].C1N=CN([C:42](N2C=NC=C2)=[O:43])C=1>O1CCOCC1.CCOC(C)=O>[NH2:23][C:19]1([C:16]2[CH:15]=[CH:14][C:13]([C:10]3[C:9]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)=[CH:8][C:7]4[CH:6]=[CH:5][N:4]5[C:42](=[O:43])[NH:2][N:1]=[C:3]5[C:12]=4[N:11]=3)=[CH:18][CH:17]=2)[CH2:22][CH2:21][CH2:20]1
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참가 물질

5

반응물 2

HCID 682631,1'-CarbonyldiimidazoleHCID 58034319Tert-butyl {1-[4-(8-hydrazino-3-phenyl-1,7-naphthyridin-2-yl)phenyl]cyclobutyl}carbamate

생성물 1

HCID 580344049-[4-(1-aminocyclobutyl)phenyl]-8-phenyl[1,2,4]triazolo[4,3-h]-1,7-naphthyridin-3(2H)-one

시약·촉매·용매 2

HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

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온도
100 °C

실험 절차

A mixture of tert-butyl {1-[4-(8-hydrazino-3-phenyl-1,7-naphthyridin-2-yl)phenyl]cyclobutyl}carbamate (7-5) (30.0 mg, 0.0620 mmol) and CDI (40.4 mg, 0.249 mmol) in 1,4-dioxane (2 mL) was stirred at 100° C. for 15 h and then cooled to room temperature. The mixture was diluted with EtOAc, washed with water, dried over sodium sulfate, filtered, and concentrated in vacuo. The residue was purified by column chromatography on silica gel. The residue was treated with HCl in MeOH and the mixture was heated in a microwave reactor at 80° C. for 5 min. The solvent was evaporated and the residue was purified by reverse phase (H2O/0.1% TFAaq.-MeCN/0.1% TFAaq.) HPLC to give 9-[4-(1-aminocyclobutyl)phenyl]-8-phenyl[1,2,4]triazolo[4,3-h]-1,7-naphthyridin-3(2H)-one (7-6) as a colorless solid.

후처리

  1. temperaturecooled to room temperature
  2. washwashed with water
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by column chromatography on silica gel
  7. additionThe residue was treated with HCl in MeOH
  8. temperaturethe mixture was heated in a microwave reactor at 80° C. for 5 min
  9. customThe solvent was evaporated
  10. customthe residue was purified by reverse phase (H2O/0.1% TFAaq.-MeCN/0.1% TFAaq.) HPLC

출처 및 근거

ORD 기록
ord-b487e0e6ad2e4f3b9467eb4e5ad63ec3
출처 데이터셋
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08614221B2

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