When $\alpha$ $\beta$ -Unsaturated Aldehydes and Ketones React with Nucleophiles,simple Addition Is Favored

question 149

Short Answer

When $\alpha$ , $\beta$ -unsaturated aldehydes and ketones react with nucleophiles,simple addition is favored when ___ nucleophiles are used,while conjugate addition is preferred by ___ nucleophiles.

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Definitions:

Purified Protein Derivative (PPD)

A substance used in a tuberculin skin test (TST) to detect tuberculosis infection.

Tuberculosis (TB)

A contagious bacterial infection caused by Mycobacterium tuberculosis, primarily affecting the lungs but may spread to other organs.

Antitussive/Expectorant

Medications used to suppress coughing (antitussive) and help clear mucus from the respiratory tract (expectorant).

Sputum

Mucus that is coughed up from the lower airways (bronchi and lungs), often used in medical testing to detect pathogens or abnormalities.