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Triethylamine → 4-[(S)-3-tert-Butoxycarbonylaminopyrrolidin-1-yl]-3-chloro-2,5-difluorobenzoic acid ethyl ester

HRID 10281
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HRID 10281 반응식
[CH2:1]([O:3][C:4](=[O:15])[C:5]1[CH:10]=[C:9]([F:11])[C:8](F)=[C:7]([Cl:13])[C:6]=1[F:14])[CH3:2].C(N(CC)CC)C.[C:23]([O:27][C:28](=[O:35])[NH:29][C@H:30]1[CH2:34][CH2:33][NH:32][CH2:31]1)([CH3:26])([CH3:25])[CH3:24]>C(#N)C.C(OCC)(=O)C>[CH2:1]([O:3][C:4](=[O:15])[C:5]1[CH:10]=[C:9]([F:11])[C:8]([N:32]2[CH2:33][CH2:34][C@H:30]([NH:29][C:28]([O:27][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:35])[CH2:31]2)=[C:7]([Cl:13])[C:6]=1[F:14])[CH3:2]
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참가 물질

6

반응물 3

HCID 8471TriethylamineHCID 1514396(3S)-(-)-3-(tert-Butoxycarbonylamino)pyrrolidineHCID 210411723-Chloro-2,4,5-trifluorobenzoic acid ethyl ester

생성물 1

HCID 586818944-[(S)-3-tert-Butoxycarbonylaminopyrrolidin-1-yl]-3-chloro-2,5-difluorobenzoic acid ethyl ester수율 100.1%

시약·촉매·용매 2

HCID 6342Acetonitrile용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 3-chloro-2,4,5-trifluorobenzoic acid ethyl ester (Example 1c, 5.50 g, 23.05 mmol) in acetonitrile (25 mL) is added triethylamine (6.43 mL, 46.1 mmol) and (S)-pyrrolidin-3-ylcarbamic acid tert-butyl ester (4.72 g, 25.4 mmol). After 48 hours, the mixture is diluted with ethyl acetate and washed with saturated NaHCO3, water, and brine. The organic layer is dried over MgSO4, filtered, and the filtrate is concentrated to afford the title compound (9.34 g). MS CI: m/z 405 (MH+).

후처리

  1. washwashed with saturated NaHCO3, water, and brine
  2. dry with materialThe organic layer is dried over MgSO4
  3. filtrationfiltered
  4. concentrationthe filtrate is concentrated

출처 및 근거

ORD 기록
ord-2dd800356e8c4c8d8b56e82b571f1f7f
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07094780B1

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