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Water → 2-(3-azidopropyl)-5-(2,5-difluorophenyl)-3-(3-methyl-1H-1,2,4-triazol-5-yl)-2-phenyl-2,3-dihydro-1,3,4-thiadiazole

HRID 1508409
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HRID 1508409 반응식
[N:1]([CH2:4][CH2:5][CH2:6][C:7]1([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[N:11]([C:12](SC)=[NH:13])[N:10]=[C:9]([C:16]2[CH:21]=[C:20]([F:22])[CH:19]=[CH:18][C:17]=2[F:23])[S:8]1)=[N+:2]=[N-:3].[C:30]([NH:33]N)(=O)[CH3:31].O.[N:36]1C=CC=CC=1>>[N:1]([CH2:4][CH2:5][CH2:6][C:7]1([C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=2)[N:11]([C:12]2[NH:13][N:33]=[C:30]([CH3:31])[N:36]=2)[N:10]=[C:9]([C:16]2[CH:21]=[C:20]([F:22])[CH:19]=[CH:18][C:17]=2[F:23])[S:8]1)=[N+:2]=[N-:3]
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참가 물질

5

반응물 4

HCID 962WaterHCID 1049PyridineHCID 14039Acetohydrazide2회HCID 86608780methyl 2-(3-azidopropyl)-5-(2,5-difluorophenyl)-2-phenyl-1,3,4-thiadiazole-3(2H)-carbimidothioate

생성물 1

HCID 1784346302-(3-azidopropyl)-5-(2,5-difluorophenyl)-3-(3-methyl-1H-1,2,4-triazol-5-yl)-2-phenyl-2,3-dihydro-1,3,4-thiadiazole

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온도
80 °C

실험 절차

To a solution of methyl 2-(3-azidopropyl)-5-(2,5-difluorophenyl)-2-phenyl-1,3,4-thiadiazole-3(2H)-carbimidothioate (0.034 g, 0.079 mmol) in 1 mL pyridine was added acetohydrazide (0.017 g, 0.240 mmol). The mixture was warmed to 80° C. and stirred for 16 hours, then treated with acetohydrazide (0.050 g) and stirred at reflux for 40 hours. The cooled mixture was treated with water (10 mL) and extracted with EtOAc (3×10 mL). The combined organic phases were washed with water (10 mL) and brine (10 mL), then dried over Na2SO4 and concentrated in vacuo. The residue was purified by flash column chromatography (10-20% ethyl acetate/hexanes) to afford the desired product as a pale yellow solid, 0.010 g, 29%.

후처리

  1. stirringstirred
  2. temperatureat reflux for 40 hours
  3. extractionextracted with EtOAc (3×10 mL)
  4. washThe combined organic phases were washed with water (10 mL) and brine (10 mL)
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by flash column chromatography (10-20% ethyl acetate/hexanes)

출처 및 근거

ORD 기록
ord-ced5b85c205140aaa0104504b010acc2
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09221841B2

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