Sodium saccharin → N-[(4-Carbethoxybenzoyl)methyl]saccharin

HRID 864896

Reaktionsgleichung

Reaktionsgleichung von HRID 864896
Br[CH2:2][C:3]([C:5]1[CH:15]=[CH:14][C:8]([C:9]([O:11][CH2:12][CH3:13])=[O:10])=[CH:7][CH:6]=1)=[O:4].[CH:16]1[CH:21]=[C:20]2[C:22]([N-:24][S:25](=[O:27])(=[O:26])[C:19]2=[CH:18][CH:17]=1)=[O:23].[Na+]>CN(C)C=O>[C:9]([C:8]1[CH:14]=[CH:15][C:5]([C:3]([CH2:2][N:24]2[C:22](=[O:23])[C:20]3[C:19](=[CH:18][CH:17]=[CH:16][CH:21]=3)[S:25]2(=[O:27])=[O:26])=[O:4])=[CH:6][CH:7]=1)([O:11][CH2:12][CH3:13])=[O:10]

Komponenten

4

Versuchsvorschrift

45 mmol of ethyl 4-bromoacetylbenzoate in 120 ml of dimethylformamide and 48 mmol of sodium saccharinate are maintained at 100° C. for 180 minutes. After evaporation of the solvent, taking up in 200 ml of water, extraction with dichloromethane, drying and evaporation, the residue is taken up in isopropyl ether, then filtered and taken to the expected product.

Aufarbeitung

  1. customAfter evaporation of the solvent
  2. extractionextraction with dichloromethane
  3. customdrying
  4. customevaporation
  5. filtrationfiltered

Quellen und Nachweise

ORD-Eintrag
ord-dcc26bda2edd4dff9ded4d69e88ab0cb
Quelldatensatz
uspto-grants-1996_10
Patentnummer
US05565429

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