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Triethylamine → 5-{(8-ethyl-4H-benzo[1,3]dioxin-6-yl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]methyl}-2-pyrimidin-2-yl-2,4-dihydro-[1,2,4]triazol-3-one

HRID 1698673
ノート
印刷プレビュー

反応式

HRID 1698673 の反応式
C[O:2][C:3](=O)[N:4]=[C:5](SC)[C:6]([C:20]1[CH:21]=[C:22]([CH2:30][CH3:31])[C:23]2[O:28][CH2:27][O:26][CH2:25][C:24]=2[CH:29]=1)=[N:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1.[NH:35]([C:37]1[N:42]=[CH:41][CH:40]=[CH:39][N:38]=1)[NH2:36].C(N(CC)CC)C>CN(C=O)C>[CH2:30]([C:22]1[C:23]2[O:28][CH2:27][O:26][CH2:25][C:24]=2[CH:29]=[C:20]([CH:6]([NH:7][C:8]2[CH:9]=[CH:10][C:11]([C:14]3[N:18]=[C:17]([CH3:19])[O:16][N:15]=3)=[CH:12][CH:13]=2)[C:5]2[NH:4][C:3](=[O:2])[N:35]([C:37]3[N:42]=[CH:41][CH:40]=[CH:39][N:38]=3)[N:36]=2)[CH:21]=1)[CH3:31]
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 8471TriethylamineHCID 3465582-HydrazinylpyrimidineHCID 72312834[2-(8-ethyl-4H-benzo[1,3]dioxin-6-yl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester

生成物 1

HCID 1363664545-{(8-ethyl-4H-benzo[1,3]dioxin-6-yl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]methyl}-2-pyrimidin-2-yl-2,4-dihydro-[1,2,4]triazol-3-one

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

反応条件

温度
85 °C

実験手順

To a solution of 101 mg of [2-(8-ethyl-4H-benzo[1,3]dioxin-6-yl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester in 2 ml of DMF there were added 21 mg of 2-hydrazinopyrimidine and 50 μl of triethylamine, and the mixture was stirred overnight at 85° C. under a nitrogen atmosphere. The reaction mixture was concentrated, and the residue was dissolved in 3 ml of methanol and 0.3 ml of acetic acid. After adding 200 mg of sodium cyanotrihydroborate to the solution, the mixture was stirred at room temperature for 1 hour. Water was added to the reaction mixture and extraction was performed with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate. The desiccating agent was filtered off and the filtrate was concentrated under reduced pressure. The residue was purified by NAM silica gel column chromatography (methanol-ethyl acetate) to give 5-{(8-ethyl-4H-benzo[1,3]dioxin-6-yl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]methyl}-2-pyrimidin-2-yl-2,4-dihydro-[1,2,4]triazol-3-one.

後処理

  1. concentrationThe reaction mixture was concentrated
  2. dissolutionthe residue was dissolved in 3 ml of methanol
  3. additionAfter adding 200 mg of sodium cyanotrihydroborate to the solution
  4. stirringthe mixture was stirred at room temperature for 1 hour
  5. additionWater was added to the reaction mixture and extraction
  6. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  7. filtrationThe desiccating agent was filtered off
  8. concentrationthe filtrate was concentrated under reduced pressure
  9. customThe residue was purified by NAM silica gel column chromatography (methanol-ethyl acetate)

出典と根拠

ORDレコード
ord-6b573e1c7d2e4623bc10b5a99d9ec2fd
出典データセット
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08163787B2

反応ノート

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