Question:
Which of the following is known to contain phenethylamine alkaloids?
Which of the following is known to contain phenethylamine alkaloids?
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Ephedrine from Ephedra is a Phenethylamine alkaloid.
Updated On: May 19, 2026
- Atropine
- Coffee
- Senna
- Ephedra
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The Correct Option is D
Solution and Explanation
Step 1: Concept
Alkaloids are classified based on their chemical structure, particularly the heterocyclic ring or carbon skeleton.
Step 2: Meaning
Phenethylamine alkaloids are characterized by a benzene ring attached to an ethylamine side chain.
Step 3: Analysis
Ephedra contains ephedrine and pseudoephedrine, which are structurally based on the phenethylamine skeleton. Atropine is a tropane alkaloid, and Coffee contains purine alkaloids.
Step 4: Conclusion
Thus, Ephedra is the primary source among the options for phenethylamine-type alkaloids.
Final Answer: (D)
Alkaloids are classified based on their chemical structure, particularly the heterocyclic ring or carbon skeleton.
Step 2: Meaning
Phenethylamine alkaloids are characterized by a benzene ring attached to an ethylamine side chain.
Step 3: Analysis
Ephedra contains ephedrine and pseudoephedrine, which are structurally based on the phenethylamine skeleton. Atropine is a tropane alkaloid, and Coffee contains purine alkaloids.
Step 4: Conclusion
Thus, Ephedra is the primary source among the options for phenethylamine-type alkaloids.
Final Answer: (D)
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