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HomeProduct name listcarfenazine

carfenazine

carfenazine Structural

What is carfenazine?

Originator

Proketazine,Wyeth,US,1962

The Uses of carfenazine

Antipsychotic.

The Uses of carfenazine

Carphenazine is used as an antipsychotic.

Manufacturing Process

As described in US Patent 3,023,146, in a round-bottomed flask were placed 35 g of 2-propionyl phenothiazine (0.14 mol) 7 g of 50% sodium hydride in mineral oil (0.14 mol), and 240 cc of dimethyl formamide dried over sodium hydride. The resultant solution was stirred at room temperature for 2 hours, and then 88 g (0.56 mol) of trimethylene chlorobromide was added at once.
The mixture was stirred for 2 hours, heated at 60 to 70°C for 1 hour and poured into 2 liters of H2O. The resulting suspension was extracted with ether, the ether layer separated and the ether removed under vacuum. A gummy mass remained which was dissolved in decalin and the solution was partly distilled to remove excess chlorobromide. After removal of most of the decalin under vacuum, the residue was treated with a large excess of N-(β- hydroxyethyl)-piperazine and heated on a steam bath for 2 hours. This material was extracted with dilute aqueous HCl, this acid layer neutralized with aqueous base and the resulting oil extracted into ether. The ether layer was washed with water until the washings were neutral and dried over anhydrous potassium carbonate. On treatment with maleic acid in ether a yellow solid separated which was recrystallized from isopropanol. This yellow solid had MP 175° to 177°C.

brand name

Proketazine (Wyeth).

Therapeutic Function

Tranquilizer

Properties of carfenazine

Boiling point: 616.9±55.0 °C(Predicted)
Density  1.187±0.06 g/cm3(Predicted)
storage temp.  Refrigerator
solubility  DMSO (Slightly), Methanol (Slightly, Sonicated)
form  Gel
pka 14.96±0.10(Predicted)
color  Yellow to Orange Sticky

Safety information for carfenazine

Computed Descriptors for carfenazine

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