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Question:

Drug called 'Heroin' is synthesized by?

Acetylation of morphine

Glycosylation of morphine

Methylation of morphine

Nitration of morphine

Solution:

Correct option is Acetylation of morphine. Treatment of morphine, at room temperature, with a mixture of trifluoroacetic anhydride (TFAA) and acetic acid (20–30 min) affords good yields of heroin. So, the correct answer is 'Acetylation of morphine'.