Aromatic Aldehydes Ketones and Acids - Result Question 33
####40. Among the following the number of reaction(s) that produce(s) benzaldehyde is
(2015 Adv.)
III.
IV.
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Solution:
- I. Gattermann-Koch reaction.
II.
III. Rosenmund’s reduction.
IV. Acid chloride, anhydride and ester undergo controlled reduction with di-iso-butylaluminium hydride (DIBAL-H) at $-78^{\circ} C$ to give aldehydes.
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