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(z)-7-{(1r,2s)-2-[(e)-(s)-5-(4-Bromo-5-methyl-thiophen-2-yl)-3-(tert-butyl-dimethyl-silanyloxy)-pent-1-enyl]-5-oxo-cyclopent-3-enyl}-hept-5-enoic acid methyl ester → (z)-7-{(1r,2r)-2-[(e)-(s)-5-(4-Bromo-5-methyl-thiophen-2-yl)-3-(tert-butyl-dimethyl-silanyloxy)-pent-1-enyl]-5-oxo-cyclopentyl}-hept-5-enoic acid methyl ester

HRID 1042371
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HRID 1042371 반응식
[CH3:1][O:2][C:3](=[O:36])[CH2:4][CH2:5][CH2:6]/[CH:7]=[CH:8]\[CH2:9][C@H:10]1[C:14](=[O:15])[CH:13]=[CH:12][C@@H:11]1/[CH:16]=[CH:17]/[C@@H:18]([O:28][Si:29]([C:32]([CH3:35])([CH3:34])[CH3:33])([CH3:31])[CH3:30])[CH2:19][CH2:20][C:21]1[S:22][C:23]([CH3:27])=[C:24]([Br:26])[CH:25]=1>C1(C)C=CC=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cu].[Cu].[Cu].[Cu].[Cu].[Cu]>[CH3:1][O:2][C:3](=[O:36])[CH2:4][CH2:5][CH2:6]/[CH:7]=[CH:8]\[CH2:9][C@H:10]1[C:14](=[O:15])[CH2:13][CH2:12][C@@H:11]1/[CH:16]=[CH:17]/[C@@H:18]([O:28][Si:29]([C:32]([CH3:34])([CH3:33])[CH3:35])([CH3:30])[CH3:31])[CH2:19][CH2:20][C:21]1[S:22][C:23]([CH3:27])=[C:24]([Br:26])[CH:25]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 1

HCID 16655598(z)-7-{(1r,2s)-2-[(e)-(s)-5-(4-Bromo-5-methyl-thiophen-2-yl)-3-(tert-butyl-dimethyl-silanyloxy)-pent-1-enyl]-5-oxo-cyclopent-3-enyl}-hept-5-enoic acid methyl ester

생성물 1

HCID 67092649(z)-7-{(1r,2r)-2-[(e)-(s)-5-(4-Bromo-5-methyl-thiophen-2-yl)-3-(tert-butyl-dimethyl-silanyloxy)-pent-1-enyl]-5-oxo-cyclopentyl}-hept-5-enoic acid methyl ester수율 89.3%

시약·촉매·용매 2

HCID 11982471Stryker's reagent
촉매
HCID 1140Toluene용매2회

반응 조건

온도
0 °C

실험 절차

A solution of 7 (170 mg, 0.28 mmol) in 4 mL toluene was added, by cannula, to a −40° C. mixture of hydrido(triphenylphosphine)copper(I) hexamer (300 mg, 0.15 mmol) in 4 mL toluene, rinsing with 0.5 mL toluene. The temperature was allowed to warm to 0° C. over 1 h and then was allowed to warm to room temperature. After a further 1 h, the reaction was quenched by addition of 15 mL saturated NH4Cl solution. The mixture was extracted with ethyl acetate (3×15 mL) and the combined ethyl acetate solution was dried (Na2SO4), filtered and evaporated. Purification by flash chromatography (8% ethyl acetate/hexanes→10%) gave the title ketone (150 mg, 0.25 mmol, 89%).

후처리

  1. washrinsing with 0.5 mL toluene
  2. temperatureto warm to room temperature
  3. customthe reaction was quenched by addition of 15 mL saturated NH4Cl solution
  4. extractionThe mixture was extracted with ethyl acetate (3×15 mL)
  5. dry with materialthe combined ethyl acetate solution was dried (Na2SO4)
  6. filtrationfiltered
  7. customevaporated
  8. customPurification by flash chromatography (8% ethyl acetate/hexanes→10%)

출처 및 근거

ORD 기록
ord-9411f92ad21e43a89f3f6fd882a422e4
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08557860B2

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