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Sodium Bicarbonate → (4R,9aR)-7-hydroxymethyl-4,6-dimethyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

HRID 1272129
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1272129
[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH3:22])=[C:14]([CH:23]=[O:24])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[BH4-].[Na+].C(=O)(O)[O-].[Na+]>CO>[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH3:22])=[C:14]([CH2:23][OH:24])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]
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Komponenten

5

Edukt 3

HCID 516892Sodium BicarbonateHCID 4311764Sodium borohydrideHCID 86596359(4R,9aR)-7-formyl-4,6-dimethyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

Produkt 1

HCID 69358194(4R,9aR)-7-hydroxymethyl-4,6-dimethyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887
Methanol
Lösungsmittel

Versuchsvorschrift

To a solution of 90.0 mg (0.27 mmol) (4R,9aR)-7-formyl-4,6-dimethyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester in 1 mL methanol was added 6.2 mg (0.16 mmol) sodium borohydride. After 2 h the reaction mixture was poured into saturated aqueous sodium bicarbonate solution and extracted twice with ethyl acetate. The combined organic layers were washed with brine, dried over magnesium sulfate and filtered. The solvent was removed at a rotary evaporator and the residue was dried under high vacuum to give the compound as a light brown foam which was used without further purification (99.4%).

Aufarbeitung

  1. extractionextracted twice with ethyl acetate
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. customThe solvent was removed at a rotary evaporator
  6. customthe residue was dried under high vacuum

Quellen und Nachweise

ORD-Eintrag
ord-ed3dd7edd9554b41a7aceafebe672e14
Quelldatensatz
uspto-grants-2007_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07208494B2

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