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Question

Acetylation of two OH groups of morphine with acetic anhydride gives:

A
codeine
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B
heroin
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C
cocaine
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D
quinine
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Solution

The correct option is B heroin
The most notorious derivative of morphine is heroin. It is synthesised by acetylation of two hydroxyl groups of morphine with acetyl chloride.
Hence, its other names, diacetylmorphine or diamorphine. Heroin was first isolated from morphine in 1874 and was originally used as a 'safe' (i.e., non addictive) cure from morphine addiction.

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