Acrichin dihydrochloride Chemical Properties

storage temp. 

Sealed in dry,Room Temperature

solubility 

DMSO: 125 mg/mL (291.52 mM)

form 

Solid

color 

Light yellow to yellow

Safety Information

WGK Germany 

3

MSDS

• Language:English Provider:SigmaAldrich

Acrichin dihydrochloride Usage And Synthesis

Chemical Properties

Yellow crystalline solid; odorless; bitter. Soluble in water; sparingly soluble in alcohol; very slightly soluble in benzene, chloroform, and ether.

Originator

Camoquin HCl,Parke Davis,US,1950

Uses

Medicine (antimalarial).

Manufacturing Process

72.8 g (0.5 mol) of p-aminophenol hydrochloride is dissolved in 500 cc of water and added to 99 g (0.5 mol) of 4,7-dichloroquinoline. After a few minutes of warming in a steam bath, 4-(4'-hydroxyanilino)-7-chloroquinoline hydrochloride, of sufficient purity for use in further experiments, precipitates as a yellow crystalline solid. Recrystallized from methanol, the MP is over 300°C.
A mixture consisting of 13.5 g of 4-(4'-hydroxyanilino)-7-chloroquinoline hydrochloride dissolved in absolute ethanol is treated with a solution of 4.38 g of diethylamine and 1.8 g of paraformaldehyde in 20 cc of absolute ethanol. The reaction mixture is heated under reflux for 16 hours, evaporated to onehalf volume and the warm solution treated with an excess of hydrogen chloride dissolved in absolute ethanol. Acetone is added to the warm solution until it becomes turbid and then the solution is cooled. The crude dihydrochloride which separates is collected and purified by recrystallization from methanol; MP 240-242°C.
By using an equivalent amount of 4-(4'-hydroxyanilino)-7-bromoquinoline in the above procedure, 4-(3'-diethylaminomethyl-4'-hydroxyanilino)-7- bromoquinoline dihydrochloride is obtained; MP (base) 206-208°C dec.

brand name

Camoquin (Parke-Davis).

Therapeutic Function

Antimalarial

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