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Tetrahydrofuran → (2S,3R)-3-(formyloxy)-5-[4-(6-methoxypyridin-3-yl)phenyl]-2-[2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)ethyl]pentanoic acid

HRID 2410411
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2410411
[OH:1][C@@H:2]1[C@H:6]([OH:7])[O:5][C@H:4]([CH2:8][CH2:9][C:10]2[CH:15]=[CH:14][C:13]([C:16]3[CH:17]=[N:18][C:19]([O:22][CH3:23])=[CH:20][CH:21]=3)=[CH:12][CH:11]=2)[C@@H:3]1[CH2:24][CH2:25][N:26]1[C:31](=[O:32])[C:30]2[CH:33]=[CH:34][CH:35]=[CH:36][C:29]=2[N:28]=[N:27]1.[O:37]1CCCC1.I([O-])(=O)(=O)=O.[Na+].[K]>C(O)(C)(C)C>[CH:6]([O:5][C@H:4]([CH2:8][CH2:9][C:10]1[CH:15]=[CH:14][C:13]([C:16]2[CH:17]=[N:18][C:19]([O:22][CH3:23])=[CH:20][CH:21]=2)=[CH:12][CH:11]=1)[C@H:3]([CH2:24][CH2:25][N:26]1[C:31](=[O:32])[C:30]2[CH:33]=[CH:34][CH:35]=[CH:36][C:29]=2[N:28]=[N:27]1)[C:2]([OH:37])=[O:1])=[O:7]
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Komponenten

6

Edukt 4

HCID 8028TetrahydrofuranHCID 5462222PotassiumHCID 23667635Sodium periodateHCID 671825273-{2-[(2R,3R,4S,5R)-4,5-dihydroxy-2-{2-[4-(6-methoxypyridin-3-yl)phenyl]ethyl}tetrahydrofuran-3-yl]ethyl}-1,2,3-benzotriazin-4(3H)-one

Produkt 1

HCID 86700968(2S,3R)-3-(formyloxy)-5-[4-(6-methoxypyridin-3-yl)phenyl]-2-[2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)ethyl]pentanoic acid

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6386tert-ButanolLösungsmittel

Versuchsvorschrift

To a solution of the compound obtained from step d above (8 g) in tert-butanol:tetrahydrofuran (40 mL:40 mL) at 0° C., a solution of sodium metaperiodate (14 g in 40 mL of water) was added. The reaction mixture was stirred for 2 hours at the same temperature, and potassium permangnate (518 mg) was added at 0° C. After stirring the reaction mixture for an additional 6 hours at room temperature, the reaction mixture was evaporated on a rotary evaporator. The residue was taken into water and extracted with ethyl acetate. The organic layer was washed with water and brine solution and dried over anhydrous sodium sulphate. The solvent was evaporated under the reduced pressure, to afford the title compound (8 g).

Aufarbeitung

  1. additionwas added at 0° C
  2. customthe reaction mixture was evaporated on a rotary evaporator
  3. extractionextracted with ethyl acetate
  4. washThe organic layer was washed with water and brine solution
  5. dry with materialdried over anhydrous sodium sulphate
  6. customThe solvent was evaporated under the reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-1f9bbe4aa9f34a76b328021345e8c495
Quelldatensatz
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08816073B2

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