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Water → 3-{2-Amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine

HRID 493961
ノート
印刷プレビュー

反応式

HRID 493961 の反応式
O.[F:2][C:3]1[C:22]([N:23]2[C:28](=[O:29])[CH:27]=[C:26]([C:30]([F:33])([F:32])[F:31])[N:25]([CH3:34])[C:24]2=[O:35])=[CH:21][C:6]([O:7][C:8]2[C:9]([O:14][CH:15]([C:17]([O:19][CH3:20])=[O:18])[CH3:16])=[N:10][CH:11]=[CH:12][CH:13]=2)=[C:5]([N+:36]([O-])=O)[CH:4]=1>C(O)(=O)C.[Fe]>[NH2:36][C:5]1[CH:4]=[C:3]([F:2])[C:22]([N:23]2[C:28](=[O:29])[CH:27]=[C:26]([C:30]([F:31])([F:33])[F:32])[N:25]([CH3:34])[C:24]2=[O:35])=[CH:21][C:6]=1[O:7][C:8]1[C:9]([O:14][CH:15]([C:17]([O:19][CH3:20])=[O:18])[CH3:16])=[N:10][CH:11]=[CH:12][CH:13]=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 2

HCID 962WaterHCID 219335633-{4-Fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)-ethoxy}pyridine

生成物 1

HCID 121155033-{2-Amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine

試薬・触媒・溶媒 2

HCID 23925Iron触媒
HCID 176
Acetic Acid
溶媒
2 回

実験手順

To a mixture of 0.21 g of iron powder, 3 ml of acetic acid, and 0.3 ml of water was added dropwise a solution of 3-{4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrim idin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine in 1.2 ml of acetic acid, while the temperature of the reaction mixture was kept at 35° C. or lower. After completion of the dropwise addition, the mixture was stirred for 1 hour and then filtered through Celite. The filtrate was diluted with ethyl acetate. The mixture was neutralized with saturated aqueous sodium bicarbonate solution. The organic layer was washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel chromatography to give 0.16 g of 3-{2-amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine as a mixture of diastereoisomers.

後処理

  1. customwas kept at 35° C.
  2. additionAfter completion of the dropwise addition
  3. filtrationfiltered through Celite
  4. additionThe filtrate was diluted with ethyl acetate
  5. washThe organic layer was washed with saturated aqueous sodium chloride solution
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated

出典と根拠

ORDレコード
ord-f0e1c7261a88482fa3d6de479a309099
出典データセット
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07538072B2

反応ノート

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