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Pyridine 4-methylbenzene-1-sulfonate → (5Z,13E)-(8R,9S,11R,12R,15S,16RS)-9-Chloro-11,15-dihydroxy-16,19-dimethyl-5,13,18-prostatrienoic Acid

HRID 326183
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인쇄 미리보기

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HRID 326183 반응식
[Cl:1][C@H:2]1[CH2:15][C@@H:14]([O:16]C2CCCCO2)[C@H:13](/[CH:23]=[CH:24]/[C@@H:25]([O:33]C2CCCCO2)[CH:26]([CH3:32])[CH2:27][CH:28]=[C:29]([CH3:31])[CH3:30])[C@H:3]1[CH2:4]/[CH:5]=[CH:6]\[CH2:7][CH2:8][CH2:9][C:10]([OH:12])=[O:11].C1(C)C=CC(S(O)(=O)=O)=CC=1.N1C=CC=CC=1>C(O)C.C(Cl)Cl>[Cl:1][C@H:2]1[CH2:15][C@@H:14]([OH:16])[C@H:13](/[CH:23]=[CH:24]/[C@@H:25]([OH:33])[CH:26]([CH3:32])[CH2:27][CH:28]=[C:29]([CH3:30])[CH3:31])[C@H:3]1[CH2:4]/[CH:5]=[CH:6]\[CH2:7][CH2:8][CH2:9][C:10]([OH:12])=[O:11]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 161440Pyridine 4-methylbenzene-1-sulfonateHCID 67859606(5Z,13E)-(8R,9S,11R,-12R,15S,16RS)-9-chloro-11,15-bis(tetrahydropyran-2-yloxy)-16,19-dimethyl-5,13,18-prostatrienoic acid

생성물 1

HCID 67859588(5Z,13E)-(8R,9S,11R,12R,15S,16RS)-9-Chloro-11,15-dihydroxy-16,19-dimethyl-5,13,18-prostatrienoic Acid수율 42%

시약·촉매·용매 2

HCID 702Ethanol용매
HCID 6344
Dichloromethane
용매

실험 절차

A solution of 144 mg of (5Z,13E)-(8R,9S,11R,12R,15S,16RS)-9-chloro-11,15-bis(tetrahydropyran-2-yloxy)-16,19-dimethyl-5,13,18-prostatrienoic acid in 2 ml of absolute ethanol was combined with 6.4 mg of pyridine p-toluenesulfonate and agitated for 5 days at room temperature under argon. The reaction mixture was then diluted with 100 ml of methylene chloride, washed twice with saturated sodium chloride solution, dried over magnesium sulfate, and evaporated to dryness under vacuum. The residue was purified by column chromatography on silica gel with hexane/50-100% ethyl acetate as the eluent, thus obtaining 42.5 mg of the desired carboxylic acid as a highly viscous oil.

후처리

  1. washwashed twice with saturated sodium chloride solution
  2. dry with materialdried over magnesium sulfate
  3. customevaporated to dryness under vacuum
  4. customThe residue was purified by column chromatography on silica gel with hexane/50-100% ethyl acetate as the eluent

출처 및 근거

ORD 기록
ord-c98d9cf42f884f8caf14e63d9f3ac74f
출처 데이터셋
uspto-grants-1984_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04444788

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