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Sodium ethoxide → 8-Chloro-1-(3-{3-[(2,6-dichlorophenyl)methyl]-1,2,4-oxadiazol-5-yl}propyl)-3-pentyl-3,7-dihydro-1H-purine-2,6-dione

HRID 1097667
ノート
印刷プレビュー

反応式

HRID 1097667 の反応式
[Cl:1][C:2]1[NH:10][C:9]2[C:8](=[O:11])[N:7]([CH2:12][CH2:13][CH2:14][CH2:15]C(OCC)=O)[C:6](=[O:21])[N:5]([CH2:22][CH2:23][CH2:24][CH2:25][CH3:26])[C:4]=2[N:3]=1.CC[O-].[Na+].[Cl:31][C:32]1[CH:37]=[CH:36][CH:35]=[C:34]([Cl:38])[C:33]=1[CH2:39]/[C:40](=[N:43]/[H])/[NH:41][OH:42]>CCO>[Cl:1][C:2]1[NH:10][C:9]2[C:8](=[O:11])[N:7]([CH2:12][CH2:13][CH2:14][C:15]3[O:42][N:41]=[C:40]([CH2:39][C:33]4[C:34]([Cl:38])=[CH:35][CH:36]=[CH:37][C:32]=4[Cl:31])[N:43]=3)[C:6](=[O:21])[N:5]([CH2:22][CH2:23][CH2:24][CH2:25][CH3:26])[C:4]=2[N:3]=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 2723922Sodium ethoxideHCID 27581642-(2,6-Dichloro-phenyl)-N-hydroxy-acetamidineHCID 66812467Ethyl 5-(8-chloro-2,6-dioxo-3-pentyl-2,3,6,7-tetrahydro-1H-purin-1-yl)pentanoate

生成物 1

HCID 593956358-Chloro-1-(3-{3-[(2,6-dichlorophenyl)methyl]-1,2,4-oxadiazol-5-yl}propyl)-3-pentyl-3,7-dihydro-1H-purine-2,6-dione収率 80.1%

試薬・触媒・溶媒 1

HCID 702
Ethanol
溶媒
2 回

反応条件

温度
140 °C

実験手順

Ethyl 5-(8-chloro-2,6-dioxo-3-pentyl-2,3,6,7-tetrahydro-1H-purin-1-yl)pentanoate (70 mg, 0.19 mmol) was dissolved in EtOH. The solution was treated with a 21% solution of NaOEt in EtOH (78 μl, 0.21 mmol) and (1Z)-2-(2,6-dichlorophenyl)-N-hydroxyethanimidamide (46 mg, 0.21 mmol). The reaction was heated in the microwave at 140° C. for 10 min. The mixture was partitioned between EtOH and 2M HCl (aq). The organic layer was decanted off and concentrated by nitrogen blowdown. The crude product was purified on the MDAP. The product fractions were combined and concentrated to give the title compound as a white solid (80 mg, 80%).

後処理

  1. customThe mixture was partitioned between EtOH and 2M HCl (aq)
  2. customThe organic layer was decanted off
  3. concentrationconcentrated by nitrogen
  4. customThe crude product was purified on the MDAP
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-a97353d37e9a4e8a86a479c19ba01fe0
出典データセット
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08143264B2

反応ノート

読み込み中…

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