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Hydrogen Peroxide → (4E,13E)-(6RS,9alpha,11alpha,15S)-6,9-Epoxy-11,15-bis(tetrahydropyran-2-yloxy)prosta-4,13-dienoic acid methyl ester

HRID 434737
Notes
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Reaction equation

HRID 434737 reaction equation
[CH3:1][O:2][C:3](=[O:45])[CH2:4][CH2:5][CH2:6][CH:7]([Se]C1C=CC=CC=1)[CH:8]1[O:37][C@H:11]2[CH2:12][C@@H:13]([O:30][CH:31]3[CH2:36][CH2:35][CH2:34][CH2:33][O:32]3)[C@H:14](/[CH:15]=[CH:16]/[C@@H:17]([O:23][CH:24]3[CH2:29][CH2:28][CH2:27][CH2:26][O:25]3)[CH2:18][CH2:19][CH2:20][CH2:21][CH3:22])[C@H:10]2[CH2:9]1.OO.C(=O)(O)[O-].[Na+]>C(OCC)(=O)C.O1CCCC1>[CH3:1][O:2][C:3](=[O:45])[CH2:4][CH2:5]/[CH:6]=[CH:7]/[CH:8]1[O:37][C@H:11]2[CH2:12][C@@H:13]([O:30][CH:31]3[CH2:36][CH2:35][CH2:34][CH2:33][O:32]3)[C@H:14](/[CH:15]=[CH:16]/[C@@H:17]([O:23][CH:24]3[CH2:29][CH2:28][CH2:27][CH2:26][O:25]3)[CH2:18][CH2:19][CH2:20][CH2:21][CH3:22])[C@H:10]2[CH2:9]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 784Hydrogen PeroxideHCID 516892Sodium BicarbonateHCID 86738983(13E)-(5RS,6RS,9alpha,11alpha,15S)-5-Phenylseleno-6,9-epoxy-11,15-bis(tetrahydropyran-2-yloxy)prost-13-enoic acid methyl ester

Product 1

HCID 86738984(4E,13E)-(6RS,9alpha,11alpha,15S)-6,9-Epoxy-11,15-bis(tetrahydropyran-2-yloxy)prosta-4,13-dienoic acid methyl esterYield 87.8%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a solution of 560 mg of (13E)-(5RS,6RS,9α,11α,15S)-5-phenylseleno-6,9-epoxy-11,15-bis(tetrahydropyran-2-yloxy)prost-13-enoic acid methyl ester (prepared as described in Example 6) in a mixture of 6 ml of ethyl acetate and 3 ml of tetrahydrofuran was added 0.5 ml of 30% hydrogen peroxide and 100 mg of sodium bicarbonate, and the reaction mixture was then stirred for one hour. Afterwards it was extracted with ethyl acetate. The extract was washed with an aqueous solution of sodium carbonate, water and an aqueous solution of sodium chloride, dried over magnesium sulphate and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel using a mixture of benzene and ethyl acetate (6:1) as eluent to give 380 mg of the title compound having the following physical characteristics:

Workup

  1. extractionAfterwards it was extracted with ethyl acetate
  2. washThe extract was washed with an aqueous solution of sodium carbonate, water
  3. dry with materialan aqueous solution of sodium chloride, dried over magnesium sulphate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by column chromatography on silica gel using
  6. additiona mixture of benzene and ethyl acetate (6:1) as eluent

Sources & evidence

ORD record
ord-0720ed4f739e421883eb9a254718f125
Source dataset
uspto-grants-1983_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04399147

Reaction notes

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