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Potassium Carbonate → 7-(4-chlorobenzyl)-3-ethyl-1-(3-hydroxypropyl)-8-((5-methylpyridin-3-yl)oxy)-1H-purine-2,6(3H,7H)-dione

HRID 2200720
ノート
印刷プレビュー

反応式

HRID 2200720 の反応式
Cl[C:2]1[N:10]([CH2:11][C:12]2[CH:17]=[CH:16][C:15]([Cl:18])=[CH:14][CH:13]=2)[C:9]2[C:8](=[O:19])[N:7]([CH2:20][CH2:21][CH2:22][OH:23])[C:6](=[O:24])[N:5]([CH2:25][CH3:26])[C:4]=2[N:3]=1.[CH3:27][C:28]1[CH:29]=[C:30]([OH:34])[CH:31]=[N:32][CH:33]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C>[Cl:18][C:15]1[CH:16]=[CH:17][C:12]([CH2:11][N:10]2[C:9]3[C:8](=[O:19])[N:7]([CH2:20][CH2:21][CH2:22][OH:23])[C:6](=[O:24])[N:5]([CH2:25][CH3:26])[C:4]=3[N:3]=[C:2]2[O:34][C:30]2[CH:31]=[N:32][CH:33]=[C:28]([CH3:27])[CH:29]=2)=[CH:13][CH:14]=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 3

HCID 11430Potassium CarbonateHCID 2247533-Hydroxy-5-methylpyridineHCID 904026398-chloro-7-(4-chlorobenzyl)-3-ethyl-1-(3-hydroxypropyl)-1H-purine-2,6(3H,7H)-dione2 回

生成物 1

HCID 904031417-(4-chlorobenzyl)-3-ethyl-1-(3-hydroxypropyl)-8-((5-methylpyridin-3-yl)oxy)-1H-purine-2,6(3H,7H)-dione収率 22.5%

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

反応条件

温度
80 °C

実験手順

To a solution of 8-chloro-7-(4-chlorobenzyl)-3-ethyl-1-(3-hydroxypropyl)-1H-purine-2,6(3H,7H)-dione (30 mg, 0.08 mmol, intermediate 78) in DMF (2 mL) was added 5-methylpyridin-3-ol (12.36 mg, 0.12 mmol), followed by potassium carbonate (15.66 mg, 0.11 mmol). The reaction was stirred at 80° C. for 3 h. The reaction was cooled and partitioned between ethyl acetate and water. The organic phase was washed with brine, dried over sodium sulfate, and concentrated to give a crude product, which was purified by preparative HPLC to give 7-(4-chlorobenzyl)-3-ethyl-1-(3-hydroxypropyl)-8-((5-methylpyridin-3-yl)oxy)-1H-purine-2,6(3H,7H)-dione (8 mg, 22.5%) as white solid. 1H-NMR (CD3OD) δ 8.35-8.42(d, 2H), 7.68(s, 1H), 7.38-7.48(m, 4H), 5.52(s, 2H), 4.01-4.14(m, 4H), 3.61-3.64(m, 2H), 2.43(s, 3H), 1.87-1.90(m, 2H), 1.22-1.26(m, 3H). LCMS retention time 2.511 min; LCMS MH+ 470.

後処理

  1. temperatureThe reaction was cooled
  2. custompartitioned between ethyl acetate and water
  3. washThe organic phase was washed with brine
  4. dry with materialdried over sodium sulfate
  5. concentrationconcentrated
  6. customto give a crude product, which
  7. customwas purified by preparative HPLC

出典と根拠

ORDレコード
ord-320f9217cd52407485bf8ced66212da1
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09359359B2

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