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Hydrazine hydrate (1:1) → N-[2-(5-amino-4-benzothiazol-2-yl-1H-pyrazol-3-ylamino)ethyl]acetamide

HRID 57245
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HRID 57245 반응식
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[C:10](=[C:13](SC)SC)[C:11]#[N:12].[C:18]([NH:21][CH2:22][CH2:23][NH2:24])(=[O:20])[CH3:19].O.[NH2:26][NH2:27]>C(O)C>[NH2:12][C:11]1[NH:27][N:26]=[C:13]([NH:24][CH2:23][CH2:22][NH:21][C:18](=[O:20])[CH3:19])[C:10]=1[C:2]1[S:1][C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=1
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참가 물질

5

반응물 3

HCID 24654Hydrazine hydrate (1:1)HCID 66082N-(2-aminoethyl)acetamideHCID 28077272-Benzothiazol-2-yl-3,3-bis-methylsulfanylacrylonitrile

생성물 1

HCID 66768089N-[2-(5-amino-4-benzothiazol-2-yl-1H-pyrazol-3-ylamino)ethyl]acetamide수율 66%

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

A mixture of 2-benzothiazol-2-yl-3,3-bis-methylsulfanylacrylonitrile (200 mg, 0.74 mmol) and N-acetylethylenediamine (83 mg, 0.81 mmol) in ethanol (10 mL) was refluxed for 90 min. To this solution was added hydrazine hydrate (61 mg, 1.2 mmol), and the resulting mixture was refluxed overnight. Solids formed upon cooling. The resulting crystals were filtered and washed with ethanol to yield 150 mg (66%) of N-[2-(5-amino-4-benzothiazol-2-yl-1H-pyrazol-3-ylamino)ethyl]acetamide. MS (ES+): 317.1 (M+1, 100%).

후처리

  1. temperaturewas refluxed for 90 min
  2. temperaturethe resulting mixture was refluxed overnight
  3. customSolids formed
  4. temperatureupon cooling
  5. filtrationThe resulting crystals were filtered
  6. washwashed with ethanol

출처 및 근거

ORD 기록
ord-bde749fce5c34878b571bc10872274f2
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434720B2

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