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Question 4 0/3 points 2 ETOH HO Select the major organic product for the reaction shown OA) ОСТ w OEI B) Оer c) HO OH D) OCE
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Answer #1

It is an acid catalysed reaction of ketone with alcohol which results in formation of acetals. It is a 3 step reaction: protonation of O atom of keton by acid, reaction with 1 molecule of Et-OH to form hemi-acetal , reaction with 2nd molecule of Et-OH to form acetal.

Reaction mechanism and products:
Step-1 and 2 (formation of hemi-acetal)

OH Et-oh E+ sta PMoloration (Removal do H) OK tost Herrino.colo!

Step -3 (formation of acetal)

он 04 сон Кога Лk°C Herrirocotol | 0-E4 *, но / Et-OM бE+ OE обем Ех /Removal fretol

Option-A is the correct answer.

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