Question

Chlorpromazine belongs to which chemical class?

• A. Phenothiazines
• B. Thioxanthenes
• C. Benzodiazepines
• D. Butyrophenones

Hint:

Chlorpromazine is a phenothiazine antipsychotic, while haloperidol is a butyrophenone antipsychotic.

Answer 1

The Correct Option is A

Concept:
Chlorpromazine is an antipsychotic drug used mainly in psychiatric disorders.

Step 1: Chemical class of chlorpromazine.
Chlorpromazine belongs to the phenothiazine class of antipsychotic drugs.

Step 2: Phenothiazine nucleus.
Phenothiazines contain a tricyclic ring system having sulfur and nitrogen atoms.

Step 3: Therapeutic use.
Chlorpromazine is used for schizophrenia, psychosis, nausea, vomiting, and sometimes severe agitation.

Step 4: Checking other options.
Thioxanthenes are another class of antipsychotics.
Benzodiazepines are mainly sedative, anxiolytic, and anticonvulsant drugs.
Butyrophenones include drugs like haloperidol.
Chlorpromazine belongs to phenothiazines.

Step 5: Final answer.
Therefore, chlorpromazine belongs to phenothiazines. \[ \boxed{\text{Phenothiazines}} \]