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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
ノート
印刷プレビュー

反応式

HRID 1914823 の反応式
[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
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

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

生成物 1

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

試薬・触媒・溶媒 2

HCID 8857Ethyl Acetate溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-b487e0e6ad2e4f3b9467eb4e5ad63ec3
出典データセット
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08614221B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート