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Lithium Hydroxide → HCID 21713168, 화합물

HRID 650709
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HRID 650709 반응식
C[O:2][C:3](=[O:18])/[C:4](/[CH2:15][CH2:16][CH3:17])=[CH:5]/[S:6]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)(=[O:8])=[O:7].[OH-].[Li+]>C1COCC1.O>[C:9]1([S:6](/[CH:5]=[C:4](\[CH2:15][CH2:16][CH3:17])/[C:3]([OH:18])=[O:2])(=[O:8])=[O:7])[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=1
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참가 물질

4

반응물 2

HCID 3939Lithium HydroxideHCID 70244124HCID 70244124, 화합물

생성물 1

HCID 21713168HCID 21713168, 화합물수율 83%

시약·촉매·용매 1

HCID 21881883Oxolane--water (1/1)용매

실험 절차

(E)-3-benzenesulfonyl-2-propylacrylic acid methyl ester (5.0 g, 16.84 mmol) was dissolved in THF/water 3:1 (20 ml). Lithium hydroxide (0.86 g, 20.49 mmol) was added and the solution was stirred at room temperature overnight. The solvent was evaporated and the mixture was partitioned between ethyl acetate (50 ml) and water (40 ml). The aqueous layer was acidifed with 2M H2SO4 (6 ml) and the product was extracted into ethyl acetate (2×30 ml). The combined organic layers were washed with 2M H2SO4 (20 ml), brine, dried over magnesium sulfate, filtered and evaporated to give the title compound in 83% yield.

후처리

  1. customThe solvent was evaporated
  2. customthe mixture was partitioned between ethyl acetate (50 ml) and water (40 ml)
  3. extractionthe product was extracted into ethyl acetate (2×30 ml)
  4. washThe combined organic layers were washed with 2M H2SO4 (20 ml), brine
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. customevaporated

출처 및 근거

ORD 기록
ord-697cad24739444a995eb371c53fa8a53
출처 데이터셋
uspto-grants-2001_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06274758B1

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