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Triethylamine → Trifluoromethanesulfonic acid, 2-chloro-4-[[[[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]methyl]amino]carbonyl]-6-methylphenyl ester

HRID 1726737
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HRID 1726737 반응식
[F:1][C:2]([F:15])([F:14])[S:3]([O:6]S(C(F)(F)F)(=O)=O)(=[O:5])=[O:4].[Cl:16][C:17]1[CH:22]=[C:21]([C:23]([NH:25][CH2:26][C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([O:33][Si:34]([C:37]([CH3:40])([CH3:39])[CH3:38])([CH3:36])[CH3:35])[CH:28]=2)=[O:24])[CH:20]=[C:19]([CH3:41])[C:18]=1O.C(N(CC)CC)C>ClCCl>[F:1][C:2]([F:15])([F:14])[S:3]([O:6][C:18]1[C:19]([CH3:41])=[CH:20][C:21]([C:23]([NH:25][CH2:26][C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([O:33][Si:34]([C:37]([CH3:39])([CH3:38])[CH3:40])([CH3:35])[CH3:36])[CH:28]=2)=[O:24])=[CH:22][C:17]=1[Cl:16])(=[O:5])=[O:4]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 67749Trifluoromethanesulfonic anhydrideHCID 226612862-Chloro-4-[[[[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]methyl]amino]carbonyl]-6-methylphenol

생성물 1

HCID 23560683Trifluoromethanesulfonic acid, 2-chloro-4-[[[[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]methyl]amino]carbonyl]-6-methylphenyl ester수율 63%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

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온도
-78 °C

실험 절차

Trifluoromethanesulfonic anhydride (3 mL, 17.7 mmol) was added to a cooled (−78° C.) solution of 2-chloro-4-[[[[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-phenyl]methyl]amino]carbonyl]-6-methylphenol (6.00 g, 14.8 mmol) and triethylamine (8.24 mL, 59.1 mmol) in dichloromethane (60 mL). After stirring for 2 h at −78° C., the reaction was quenched with solid ammonium chloride (4 g). The mixture was diluted with ethyl acetate (200 mL) and washed with 1N HCl (100 mL), saturated aqueous sodium bicarbonate and brine. The organic layer was dried (MgSO4), filtered, evaporated and chromatographed (20-30% ethyl acetate/hexanes) to give trifluoromethanesulfonic acid, 2-chloro-4-[[[[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]methyl]amino]carbonyl]-6-methylphenyl ester (5.00 g, 63%) as pale orange oil.

후처리

  1. customthe reaction was quenched with solid ammonium chloride (4 g)
  2. additionThe mixture was diluted with ethyl acetate (200 mL)
  3. washwashed with 1N HCl (100 mL), saturated aqueous sodium bicarbonate and brine
  4. dry with materialThe organic layer was dried (MgSO4)
  5. filtrationfiltered
  6. customevaporated
  7. customchromatographed (20-30% ethyl acetate/hexanes)

출처 및 근거

ORD 기록
ord-6c9a11da941943e9892c4651ace6bdcb
출처 데이터셋
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07491741B2

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