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Lithium diisopropylamide → Trifluoro-methanesulfonic acid 3,5-dichloro-4-[1-(4,4-difluoro-cyclohexyl)-2-oxo-pyrrolidin-3-ylmethyl]-phenyl ester

HRID 1672734
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HRID 1672734 반응식
[F:1][C:2]1([F:14])[CH2:7][CH2:6][CH:5]([N:8]2[CH2:12][CH2:11][CH2:10][C:9]2=[O:13])[CH2:4][CH2:3]1.[Li+].CC([N-]C(C)C)C.[Cl:23][C:24]1[CH:25]=[C:26]([O:37][S:38]([C:41]([F:44])([F:43])[F:42])(=[O:40])=[O:39])[CH:27]=[C:28]([Cl:36])[C:29]=1[CH2:30]OS(C)(=O)=O>C1COCC1>[Cl:23][C:24]1[CH:25]=[C:26]([O:37][S:38]([C:41]([F:43])([F:44])[F:42])(=[O:40])=[O:39])[CH:27]=[C:28]([Cl:36])[C:29]=1[CH2:30][CH:10]1[CH2:11][CH2:12][N:8]([CH:5]2[CH2:4][CH2:3][C:2]([F:1])([F:14])[CH2:7][CH2:6]2)[C:9]1=[O:13]
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반응물 3

HCID 2724682Lithium diisopropylamideHCID 57878591HCID 57878591, 화합물HCID 86634570Trifluoro-methanesulfonic acid 3,5-dichloro-4-methanesulfonyloxymethyl-phenyl ester

생성물 1

HCID 57878605Trifluoro-methanesulfonic acid 3,5-dichloro-4-[1-(4,4-difluoro-cyclohexyl)-2-oxo-pyrrolidin-3-ylmethyl]-phenyl ester

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매
2회

실험 절차

To a solution of 1-(4,4-difluoro-cyclohexyl)-pyrrolidin-2-one (447 mg, 2.2 mmol) in 22 mL dry THF, add 1.76 mL of 2M LDA (1.2 eq.) in THF dropwise at −78° C. Then, add 1.24 g of trifluoro-methanesulfonic acid 3,5-dichloro-4-methanesulfonyloxymethyl-phenyl ester (1.4 eq) at −78° C. Allow the resulting solution to stand at room temp for overnight. Quench the mixture with saturated aqueous NH4Cl and extract with CH2Cl2. Wash the organic layer with water, then brine, and dry over Na2SO4, filter and concentrate. Purify the crude material by chromatography to afford the title compound: mass spectrum (m/z): 376 (M+1).

후처리

  1. customQuench the mixture with saturated aqueous NH4Cl
  2. extractionextract with CH2Cl2
  3. washWash the organic layer with water
  4. dry with materialbrine, and dry over Na2SO4
  5. filtrationfilter
  6. concentrationconcentrate
  7. customPurify the crude material by chromatography

출처 및 근거

ORD 기록
ord-4077e4a8aafb471c9c02f11db51c5da0
출처 데이터셋
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07998999B2

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