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1-Hydroxybenzotriazole → 7-[(4-methyl-3-phenyl piperazin-1-yl)carbonyl]-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-4(5H)-one

HRID 1807867
ノート
印刷プレビュー

反応式

HRID 1807867 の反応式
[O:1]=[C:2]1[NH:11][C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:12]([OH:14])=O)[CH:9]=2)[N:4]2[C:15]([CH2:18][CH2:19][CH3:20])=[N:16][N:17]=[C:3]12.Cl.Cl.[CH3:23][N:24]1[CH2:29][CH2:28][NH:27][CH2:26][CH:25]1[C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1.ON1C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC.C(=O)([O-])O.[Na+]>[Cl-].[Na+].O.CN(C)C=O.C(N(CC)CC)C>[CH3:23][N:24]1[CH2:29][CH2:28][N:27]([C:12]([C:8]2[CH:9]=[C:10]3[C:5](=[CH:6][CH:7]=2)[N:4]2[C:15]([CH2:18][CH2:19][CH3:20])=[N:16][N:17]=[C:3]2[C:2](=[O:1])[NH:11]3)=[O:14])[CH2:26][CH:25]1[C:30]1[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

9

反応物 5

HCID 757711-HydroxybenzotriazoleHCID 516892Sodium BicarbonateHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 450750971-Methyl-2-phenylpiperazine dihydrochlorideHCID 585752814-Oxo-1-propyl-4,5-dihydro[1,2,4]triazolo[4,3-a]quinoxaline-7-carboxylic acid

生成物 1

HCID 58575568
7-[(4-methyl-3-phenyl piperazin-1-yl)carbonyl]-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-4(5H)-one
収率 83.1%

試薬・触媒・溶媒 3

HCID 6228Dimethylformamide溶媒HCID 8471Triethylamine溶媒HCID 57417360Sodium chloride; water溶媒

実験手順

To a mixture of 150 mg of 4-oxo-1-propyl-4,5-dihydro[1,2,4]triazolo[4,3-a]quinoxaline-7-carboxylic acid, 165 mg of 1-methyl-2-phenyl piperazine dihydrochloride, 0.24 mL of triethylamine, 112 mg of 1-hydroxybenzotriazole, and 2.25 mL of N,N-dimethylformamide was added 158 mg of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, followed by stirring at room temperature for 1 day. To the reaction liquid were added a saturated aqueous sodium hydrogen carbonate solution and saturated brine, followed by extraction with chloroform. The organic layer was dried over anhydrous magnesium sulfate and then the solvent was evaporated. The residue was purified by silica gel column chromatography (chloroform/methanol=95/5 to 90/10). The obtained solid was triturated with a mixture of ethanol and diisopropyl ether to give a powder. The precipitate was collected by filtration, washed with diisopropyl ether, and dried under reduced pressure to obtain 197 mg of 7-[(4-methyl-3-phenyl piperazin-1-yl)carbonyl]-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-4(5H)-one as a white powder.

後処理

  1. customTo the reaction liquid
  2. extractionfollowed by extraction with chloroform
  3. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  4. customthe solvent was evaporated
  5. customThe residue was purified by silica gel column chromatography (chloroform/methanol=95/5 to 90/10)
  6. customThe obtained solid was triturated with a mixture of ethanol and diisopropyl ether
  7. customto give a powder
  8. filtrationThe precipitate was collected by filtration
  9. washwashed with diisopropyl ether
  10. customdried under reduced pressure

出典と根拠

ORDレコード
ord-68378f271bda4ce89fd9832da4999fc3
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08357688B2

反応ノート

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