Question:
In phenothiazine moiety if R2 and R10 groups are: \(-Cl\) and \(-(CH_{2})_{3}-N(CH_{3})_{2}\).HCl, the compound is:
In phenothiazine moiety if R2 and R10 groups are: \(-Cl\) and \(-(CH_{2})_{3}-N(CH_{3})_{2}\).HCl, the compound is:
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Chlorpromazine = "Chlor" (Chlorine) + Promazine (Propyl-Dimethylamine).
Updated On: May 28, 2026
- Chlorpromazine hydrochloride
- Promazine hydrochloride
- Mesoridazine hydrochloride
- Perphenazine hydrochloride
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Phenothiazines are a class of antipsychotics defined by their tricyclic core and specific side chains.
Step 2: Meaning
R2 refers to the substituent on the second position of the ring, and R10 is the side chain attached to the nitrogen at position 10.
Step 3: Analysis
Chlorpromazine has a chlorine atom at R2 and a dimethylaminopropyl side chain at R10. Promazine has no substituent at R2; Mesoridazine has a methylsulfinyl group; Perphenazine has a piperazine side chain.
Step 4: Conclusion
The combination of -Cl and dimethylaminopropyl side chain identifies Chlorpromazine hydrochloride.
Final Answer: (A)
Phenothiazines are a class of antipsychotics defined by their tricyclic core and specific side chains.
Step 2: Meaning
R2 refers to the substituent on the second position of the ring, and R10 is the side chain attached to the nitrogen at position 10.
Step 3: Analysis
Chlorpromazine has a chlorine atom at R2 and a dimethylaminopropyl side chain at R10. Promazine has no substituent at R2; Mesoridazine has a methylsulfinyl group; Perphenazine has a piperazine side chain.
Step 4: Conclusion
The combination of -Cl and dimethylaminopropyl side chain identifies Chlorpromazine hydrochloride.
Final Answer: (A)
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