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Triethylamine → 7-N-(tert-Butoxycarbonyl)-8-(methanesulfonyloxymethyl)-2-(trifluoromethyl) 5,6,7,8-tetrahydro[1,2,4]triazolo[1,5-alpha]pyrazine

HRID 133078
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HRID 133078 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]2[N:14]=[C:15]([C:17]([F:20])([F:19])[F:18])[N:16]=[C:10]2[CH:9]1[CH2:21][OH:22])=[O:7])([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.[CH3:30][S:31](Cl)(=[O:33])=[O:32].C(=O)(O)[O-].[Na+]>ClCCl>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]2[N:14]=[C:15]([C:17]([F:18])([F:20])[F:19])[N:16]=[C:10]2[CH:9]1[CH2:21][O:22][S:31]([CH3:30])(=[O:33])=[O:32])=[O:7])([CH3:4])([CH3:3])[CH3:2]
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HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 516892Sodium BicarbonateHCID 693626567-N-(tert-Butoxycarbonyl)-8-(hydroxymethyl)-2-(trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[1,5-alpha]pyrazine

생성물 1

HCID 877981657-N-(tert-Butoxycarbonyl)-8-(methanesulfonyloxymethyl)-2-(trifluoromethyl) 5,6,7,8-tetrahydro[1,2,4]triazolo[1,5-alpha]pyrazine

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
0 °C

실험 절차

To a 0° C. solution of 100 mg (0.31 mmol) of 7-N-(tert-butoxycarbonyl)-8-(hydroxymethyl)-2-(trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[1,5-α]pyrazine in 1.0 mL of dichloromethane was added sequentially 0.047 mL (0.341 mmol) of triethylamine and 0.029 mL (0.372 mmol) of methanesulfonyl chloride. The reaction mixture was stirred at 0° C. and allowed to warm to room temperature for 4 h. Aqueous sodium bicarbonate solution was added, and the resultant mixture was extracted with three portions of dichloromethane. The combined organics were washed with brine, dried over magnesium sulfate, and concentrated to give a yellow oil which was used without further purification. LC/MS 401 (M+1).

후처리

  1. temperatureto warm to room temperature for 4 h
  2. extractionthe resultant mixture was extracted with three portions of dichloromethane
  3. washThe combined organics were washed with brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated
  6. customto give a yellow oil which
  7. customwas used without further purification

출처 및 근거

ORD 기록
ord-0d7e65152d464df687f2d3c46340653b
출처 데이터셋
uspto-grants-2008_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07390809B2

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