(a)
Interpretation:
The most likely pharmacophore has to be identified.
Concept Introduction:
The part of each compound that is responsible for the analgesic activity is called as pharmacophore. If a part of pharmacophore is detached or distorted, the resulting compound would not have the capacity to bind effectively to the biological receptor, and the compound doesn’t show any analgesic properties.
(b)
Interpretation:
The most likely pharmacophore has to be identified.
Concept Introduction:
The part of each compound that is responsible for the analgesic activity is called as pharmacophore. If a part of pharmacophore is detached or distorted, the resulting compound would not have the capacity to bind effectively to the biological receptor, and the compound doesn’t show any analgesic properties.

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Chapter 2 Solutions
ORG.CHEM EBOOK W/BBWILEY PLUS>CUSTOM<
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