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HomeProduct name listpipamazine

pipamazine

  • CAS NO.:84-04-8
  • Empirical Formula: C21H24ClN3OS
  • Molecular Weight: 401.95
  • MDL number: MFCD00865532
  • EINECS: 201-512-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 17:34:43
pipamazine  Structural

What is pipamazine ?

Originator

Mornidine ,Searle ,US ,1959

The Uses of pipamazine

Pipamazine is a drug od the phenothiazine class which used to be used as an antiemetic.

Definition

ChEBI: Pipamazine is a member of phenothiazines.

Manufacturing Process

To a stirred and refluxing suspension of 4.95 parts of 4piperidinecarboxamide, 1 part of sodium iodide and 8.4 parts of potassium carbonate in 40 parts of butanone there are added in the course of 30 minutes 9.3 parts of 2-chloro-10-(γ-chloropropyl)phenothiazine in 40 parts ofbutanone. Stirring and refluxing are continued for 12 hours after which the mixture is cooled and filtered. The filtrate is concentrated under vacuum to give a residue which is recrystallized from a mixture of 2-propanol and petroleum ether. The 1-[γ-(2'-chloro-10'-phenothiazine)propyl]piperidine-4carboxamide thus obtained melts at approximately 139°C.
This base is dissolved in a small amount of 2-propanol and treated with a 25% solution of hydrogen chloride in 2-propanol. Upon treatment of this solution with anhydrous ether a hydrochloride precipitates as a white solid melting at about 196°C to 197°C with formation of bubbles.

brand name

Normetine;.

Therapeutic Function

Antiemetic

World Health Organization (WHO)

Pipamazine, which is pharmacologically similar to chlorpromazine, was introduced in 1959 for the treatment of nausea and vomiting. Although it was withdrawn in 1969 by the United States FDA on grounds of lack of proof of efficacy and safety, it remains available in some countries.

Properties of pipamazine

Melting point: about 139°
Boiling point: 626.6±55.0 °C(Predicted)
Density  1.1253 (rough estimate)
refractive index  1.6340 (estimate)
storage temp.  Refrigerator
solubility  DMSO (Slightly), Methanol (Slightly)
form  Solid
pka pKa 8.60(H2O,t =24±1,I=0.002) (Uncertain)
color  Off-White to Pale Beige

Safety information for pipamazine

Computed Descriptors for pipamazine

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