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Lithium Hydroxide → 3-[{[4-({1-[5-(4-Methoxyphenyl)-2-methylfuran-3-yl]-3-methylbutyl}amino)phenyl]carbonyl}(methyl)amino]propanoic acid

HRID 1877098
ノート
印刷プレビュー

反応式

HRID 1877098 の反応式
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[O:13][C:12]([CH3:14])=[C:11]([CH:15]([NH:20][C:21]3[CH:26]=[CH:25][C:24]([C:27]([N:29]([CH3:37])[CH2:30][CH2:31][C:32]([O:34]CC)=[O:33])=[O:28])=[CH:23][CH:22]=3)[CH2:16][CH:17]([CH3:19])[CH3:18])[CH:10]=2)=[CH:5][CH:4]=1.O1CCCC1.[OH-].[Li+]>C(O)C>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[O:13][C:12]([CH3:14])=[C:11]([CH:15]([NH:20][C:21]3[CH:22]=[CH:23][C:24]([C:27]([N:29]([CH3:37])[CH2:30][CH2:31][C:32]([OH:34])=[O:33])=[O:28])=[CH:25][CH:26]=3)[CH2:16][CH:17]([CH3:19])[CH3:18])[CH:10]=2)=[CH:5][CH:4]=1
参加物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 3939Lithium HydroxideHCID 8028TetrahydrofuranHCID 68512756Ethyl 3-[{[4-({1-[5-(4-methoxyphenyl)-2-methylfuran-3-yl]-3-methylbutyl}amino)phenyl]carbonyl}(methyl)amino]propanoate

生成物 1

HCID 595294423-[{[4-({1-[5-(4-Methoxyphenyl)-2-methylfuran-3-yl]-3-methylbutyl}amino)phenyl]carbonyl}(methyl)amino]propanoic acid収率 34%

試薬・触媒・溶媒 1

HCID 702
Ethanol
溶媒

実験手順

A mixture of 5-[4-(1-chloro-3-methylbutyl)-5-methylfuran-2-yl]-2-methoxypyridine (382 mg), ethyl 3-{[(4-aminophenyl)carbonyl](methyl)amino}propanoate (400 mg), sodium carbonate (170 mg) and sodium iodide (240 mg) in N,N-dimethylacetamide (10 mL) was stirred overnight at 80° C. The reaction mixture was poured into water, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, and dried over magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel chromatography (25% ethyl acetate/hexane to 65% ethyl acetate/hexane) to give ethyl 3-[{[4-({1-[5-(4-methoxyphenyl)-2-methylfuran-3-yl]-3-methylbutyl}amino)phenyl]carbonyl}(methyl)amino]propanoate. Ethyl 3-[{[4-({1-[5-(4-methoxyphenyl)-2-methylfuran-3-yl]-3-methylbutyl}amino)phenyl]carbonyl}(methyl)amino]propanoate was dissolved in ethanol (2 mL) and tetrahydrofuran (2 mL) and 1N lithium hydroxide (1.0 mL) was added, and the mixture was stirred at room temperature for 1 hr. The solvent was evaporated under reduced pressure, and water (10 mL) was added. The mixture was neutralized with 1N hydrochloric acid under ice-cooling, and stirred for 1 hr. The resulting precipitate was collected by filtration and dried to give the title compound (210 mg, 34%).

後処理

  1. customThe solvent was evaporated under reduced pressure, and water (10 mL)
  2. additionwas added
  3. temperaturecooling
  4. stirringstirred for 1 hr
  5. filtrationThe resulting precipitate was collected by filtration
  6. customdried

出典と根拠

ORDレコード
ord-a6efd8e9bb4a451992d6ce4632d474fb
出典データセット
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08309580B2

反応ノート

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