Ethyl Acetate → (R)-N-[2-Chloro-4-(N,N-dimethylcarbamoylmethylsulphanyl)phenyl]-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide

HRID 1062392노트

반응식

HRID 1062392 반응식
[F-].C([N+](CCCC)(CCCC)CCCC)CCC.[Cl:19][C:20]1[CH:25]=[C:24]([S:26][Si](C(C)C)(C(C)C)C(C)C)[CH:23]=[CH:22][C:21]=1[NH:37][C:38](=[O:46])[C@:39]([OH:45])([CH3:44])[C:40]([F:43])([F:42])[F:41].Cl[CH2:48][C:49]([N:51]([CH3:53])[CH3:52])=[O:50].C(OCC)(=O)C>C1COCC1>[Cl:19][C:20]1[CH:25]=[C:24]([S:26][CH2:48][C:49](=[O:50])[N:51]([CH3:53])[CH3:52])[CH:23]=[CH:22][C:21]=1[NH:37][C:38](=[O:46])[C@:39]([OH:45])([CH3:44])[C:40]([F:41])([F:42])[F:43]

참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 758862-chloro-N,N-dimethylacetamideHCID 2724141Tetrabutylammonium FluorideHCID 69748868(R)-N-(2-Chloro4-(triisopropylsilylsulphanyl)phenyl]-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide

생성물 1

HCID 69751525(R)-N-[2-Chloro-4-(N,N-dimethylcarbamoylmethylsulphanyl)phenyl]-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

Tetrabutylammonium fluoride (1.1 ml of a 1M solution in THF) was added to (R)-N-(2-chloro-4-(triisopropylsilylsulphanyl)phenyl]-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide (Method 28) (0.50 g) in anhydrous THF (5 ml) at −70° C. After 15 minutes 2-chlorodimethylacetamide (0.17 ml) was added and the mixture was allowed to warm up then was stirred at ambient temperature for 45 minutes. Ethyl acetate (80 ml) was added and the mixture was washed with brine (100 ml) then dried and volatile material was removed by evaporation. The residue was purified on a silica gel Mega Bond Elut column eluting with 10-50% ethyl acetate/hexane to give the title compound (0.30 g) as a solid. NMR (CDCl3) 1.72 (s, 3H), 2.97 (s, 3H), 3.08 (s, 3H), 3.71 (s, 2H), 4.76 (s, 1H), 7.32-7.36 (m, 1H), 7.53 (d, 1H), 8.32 (d, 1H), 9.05 (s, 1H); MS (ESP−): 383.

후처리

  1. temperatureto warm up
  2. washthe mixture was washed with brine (100 ml)
  3. customthen dried
  4. customvolatile material was removed by evaporation
  5. customThe residue was purified on a silica gel Mega Bond Elut column
  6. washeluting with 10-50% ethyl acetate/hexane

출처 및 근거

ORD 기록
ord-76a4c2c741974f399b0f8cb2bd4a001e
출처 데이터셋
uspto-grants-2005_11
특허 번호
US06960688B2

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