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Methanol → 4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carboxylic acid methyl ester

HRID 2105639
ノート
印刷プレビュー

反応式

HRID 2105639 の反応式
[O:1]=[C:2]1[N:10]([CH2:11][CH2:12][CH3:13])[C:9]2[N:8]=[C:7]([C:14]34[CH2:21][CH2:20][C:17]([C:22]([OH:24])=[O:23])([CH2:18][CH2:19]3)[CH2:16][CH2:15]4)[NH:6][C:5]=2[C:4](=[O:25])[N:3]1[CH2:26][CH2:27][CH3:28].CO.[C:31]([O-])(O)=O.[Na+]>OS(O)(=O)=O.CCOC(C)=O>[CH3:31][O:23][C:22]([C:17]12[CH2:20][CH2:21][C:14]([C:7]3[NH:6][C:5]4[C:4](=[O:25])[N:3]([CH2:26][CH2:27][CH3:28])[C:2](=[O:1])[N:10]([CH2:11][CH2:12][CH3:13])[C:9]=4[N:8]=3)([CH2:19][CH2:18]1)[CH2:15][CH2:16]2)=[O:24]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 887MethanolHCID 516892Sodium BicarbonateHCID 98865894-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carboxylic acid

生成物 1

HCID 98440604-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane-1-carboxylic acid methyl ester収率 97%

試薬・触媒・溶媒 2

HCID 1118
Sulfuric Acid
触媒
HCID 8857Ethyl Acetate溶媒

実験手順

4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]octane 1-carboxylic acid (Example 13) (1.50 g. 3.86 mmol) was combined with 60 ml of MeOH, and 10 drops of conc'd H2SO4. The reaction solution was brought to reflux until consumption of starting material ceased. Sat'd NaHCO3 was then added until neutral pH and the reaction mixture was conc'd in vacuo. The residue was taken up in EtOAc and washed with sated NaHCO3, brine, and dried over Na2SO4. The EtOAc solution was conc'd in vacuo to give 1.51 g (97% yield) of a white solid. (MH+=403.13)

後処理

  1. temperatureto reflux until consumption of starting material
  2. washwashed with sated NaHCO3, brine
  3. dry with materialdried over Na2SO4

出典と根拠

ORDレコード
ord-337c92282099492fb29d157eb54e940b
出典データセット
uspto-grants-2009_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07579354B2

反応ノート

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