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Potassium Carbonate → 3-{4-Fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)-ethoxy}pyridine

HRID 1862264
ノート
印刷プレビュー

反応式

HRID 1862264 の反応式
[OH:1][C:2]1[C:3]([O:8][CH:9]([C:11]([O:13][CH3:14])=[O:12])[CH3:10])=[N:4][CH:5]=[CH:6][CH:7]=1.F[C:16]1[CH:21]=[C:20]([N:22]2[C:27](=[O:28])[CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[N:24]([CH3:33])[C:23]2=[O:34])[C:19]([F:35])=[CH:18][C:17]=1[N+:36]([O-:38])=[O:37].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[F:35][C:19]1[C:20]([N:22]2[C:27](=[O:28])[CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[N:24]([CH3:33])[C:23]2=[O:34])=[CH:21][C:16]([O:1][C:2]2[C:3]([O:8][CH:9]([C:11]([O:13][CH3:14])=[O:12])[CH3:10])=[N:4][CH:5]=[CH:6][CH:7]=2)=[C:17]([N+:36]([O-:38])=[O:37])[CH:18]=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 121155092,5-Difluoro-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]nitrobenzeneHCID 219335243-Hydroxy-2-{1-(methoxycarbonyl)ethoxy}pyridine

生成物 1

HCID 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収率 73.5%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
70 °C

実験手順

To a mixture of 0.18 g of 3-hydroxy-2-{1-(methoxycarbonyl)ethoxy}pyridine, 0.19 g of 2,5-difluoro-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]nitrobenzene and 2.0 ml of N,N-dimethylformamide was added 91 mg of potassium carbonate, and the mixture was stirred for 3 hours at 70° C. The reaction solution was cooled to room temperature, then, poured into ice water, and extracted with ethyl acetate. The organic layer was washed with saturated saline, dried over anhydrous magnesium sulfate, and concentrated. The residue was subjected to silica gel column chromatography to obtain 0.21 g of 3-{4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine [present compound 9-42] (as a mixture of two diastereomerical isomers).

後処理

  1. temperatureThe reaction solution was cooled to room temperature
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with saturated saline
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-a5dca2c012a54792b24096bed082d90b
出典データセット
uspto-grants-2003_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06537948B1

反応ノート

読み込み中…

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