Water → Methyl alpha,alpha-Dimethyl-9-nitro-9,10-dihydroanthracene-10-acetate

HRID 542995

Reaktionsgleichung

Reaktionsgleichung von HRID 542995
[N+:1]([C:4]1[C:5]2[C:10]([CH:11]=[C:12]3[C:17]=1[CH:16]=[CH:15][CH:14]=[CH:13]3)=[CH:9][CH:8]=[CH:7][CH:6]=2)([O-:3])=[O:2].CSS(C)(=O)=O.CN([S+](N(C)C)N(C)C)C.[CH3:34][Si-](F)(F)(C)C.[OH2:40].[CH2:41]1[CH2:45][O:44][CH2:43][CH2:42]1>C(#N)C>[CH3:34][C:42]([CH3:41])([CH:11]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]([N+:1]([O-:3])=[O:2])[C:17]2[CH:16]=[CH:15][CH:14]=[CH:13][C:12]1=2)[C:43]([O:44][CH3:45])=[O:40]

Komponenten

7

Edukt 5

HCID 962WaterHCID 8028TetrahydrofuranHCID 117679-NitroanthraceneHCID 18064S-Methyl methanethiosulfonateHCID 9795567Tris(dimethylamino)sulfonium difluorotrimethylsilicate2×

Produkt 1

HCID 13507921Methyl alpha,alpha-Dimethyl-9-nitro-9,10-dihydroanthracene-10-acetate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

A solution of 1.115 g (5 mmol) of 9-nitroanthracene and 1.01 mL (5 mmol) of MMTS in 20 mL of anhydrous THF was treated with 1.375 g (5 mmol) of TASF dissolved in 3 mL of acetonitrile at -78° C. After addition of TASF had been completed, the reaction mixture was brought to -10° C. and stirred for 1 hr. Ten mL of water was then added, the mixture was warmed to room temperature, and the product was extracted into ether. The organic layer was washed with saturated sodium chloride solution, dried and concentrated. The melting point was 159° to 163° C. (dec). The product material was analyzed by ultraviolet absorption, infrared spectroscopy, nuclear magnetic resonance spectroscopy, and mass spectrometry.

Aufarbeitung

  1. customwas brought to -10° C.
  2. extractionthe product was extracted into ether
  3. washThe organic layer was washed with saturated sodium chloride solution
  4. customdried
  5. concentrationconcentrated
  6. customThe product material was analyzed by ultraviolet absorption

Quellen und Nachweise

ORD-Eintrag
ord-f95d76ad56e54d6bb7abcc7ba8eaf04e
Quelldatensatz
uspto-grants-1987_04
Patentnummer
US04659862

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