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Dibromomethane → 2-(5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)-N-(2-chloro-4-sulfamoylphenyl)acetamide

HRID 551348
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HRID 551348 반응식
ClC(Cl)C(O)=O.N[C:8]1[N:9]([C:29]2[C:38]3[C:33](=[CH:34][CH:35]=[CH:36][CH:37]=3)[C:32]([CH:39]3[CH2:41][CH2:40]3)=[CH:31][CH:30]=2)[C:10]([S:13][CH2:14][C:15]([NH:17][C:18]2[CH:23]=[CH:22][C:21]([S:24](=[O:27])(=[O:26])[NH2:25])=[CH:20][C:19]=2[Cl:28])=[O:16])=[N:11][N:12]=1.N([O-])=O.[Na+].[Br:46]CBr>>[Br:46][C:8]1[N:9]([C:29]2[C:38]3[C:33](=[CH:34][CH:35]=[CH:36][CH:37]=3)[C:32]([CH:39]3[CH2:41][CH2:40]3)=[CH:31][CH:30]=2)[C:10]([S:13][CH2:14][C:15]([NH:17][C:18]2[CH:23]=[CH:22][C:21]([S:24](=[O:27])(=[O:26])[NH2:25])=[CH:20][C:19]=2[Cl:28])=[O:16])=[N:11][N:12]=1
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참가 물질

5

반응물 4

HCID 3024DibromomethaneHCID 6597Dichloroacetic AcidHCID 23668193Sodium NitriteHCID 597636572-[5-Amino-4-(4-cyclopropylnaphthalen-1-yl)-4H-[1,2,4]triazol-3-ylsulfanyl]-N-(2-chloro-4-sulfamoylphenyl)acetamide

생성물 1

HCID 115199512-(5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)-N-(2-chloro-4-sulfamoylphenyl)acetamide수율 31%

실험 절차

Dichloroacetic acid (180 uL, 2.2 mmol) was added to a suspension of 2-[5-amino-4-(4-cyclopropylnaphthalen-1-yl)-4H-[1,2,4]triazol-3-ylsulfanyl]-N-(2-chloro-4-sulfamoylphenyl)acetamide (0.59 g, 1.1 mmol), sodium nitrite (1.5 g, 22 mmol) and BTEABr (0.91 g, 3.3 mmol) in dibromomethane (30 mL). The reaction mixture was stirred at room temperature for 4 hours, then extracted with dichloromethane and sodium bicarbonate in water. The organic layer was dried over sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel chromatography to yield 2-[5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-[1,2,4]triazol-3-ylsulfanyl]-N-(2-chloro-4-sulfamoylphenyl)acetamide (224 mg, 31%).

후처리

  1. extractionextracted with dichloromethane and sodium bicarbonate in water
  2. dry with materialThe organic layer was dried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel chromatography

출처 및 근거

ORD 기록
ord-e506da7880d349fb88ba7d070855a4bc
출처 데이터셋
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07947721B2

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