Question

nswering multiple choice questions: a b c etc. (lower case, no periods or parentheses) lling in a numeral: 1 2 3 etc. (nothing else, no periods or parentheses) Question 15 4 pts What is the main product of the following reaction? Note that "No reaction" is a possible answer. (a) CH3 MOBI - || 1 (b) NaOH Meo Meo No reaction Оме OMe (b) (c) (a) Next > - Previous Not saved Submit MacBook Pro

Answer 1

there is no reaction answer is (D)

1. Aldehydes and ketones are susceptible to nucleophilic attack by species such as grignard reagents under basic condipns (below left), whereas their corresponding acetals are orders of magnitude less susceptible to the same attack (below right). For this reason, aldehydes and ketones are frequently protected as acetals to insulate them from undesired reaction in base. nucleophilic attack on an acetal carbon is so much less favorable than attack on an aldehyde carbon. benzaldehyde benzaldehyde acetal н, і BrMg-CH3 BrMg-CH3

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