Which of the following is not a possible product of the mixed Claisen condensati

Question

Which of the following is not a possible product of the mixed Claisen condensation reaction of methyl acetate with methyl propionate in a basic solution of methanol?

(16) Which of the following is not a possible product of the mixed Claisen condensation reaction of methyl acetate with methyl propionate in a basic solution of methanol O O (B) OCH3 OCH3 OCH3 (D) OCH (17) Which of the following compounds react with simple Grignard reagents to form a ketone? OCH3 (C) CH3 D) (18) Which of the following compounds is an o-lactam. (C) (A) N (B) (D) (19) How many possible products may form from the aldol condensation reaction(s) of benzaldehyde with acetaldehyde. (C) 3 (D) 4 (B) 2 (A) (20) What type of reaction always results in a product with a terminal -CH2COO group. (A) Robinson annulation (B) Michael Reaction (C) Malonic ester synthesis (D) Acetoacetic ester synthesis.

Explanation / Answer

Ans 16. B)

Claisen condensation reaction involves the formation of a Beta keto ester or Beta diketone from two esters or one ester and one carbonyl compound .

The compound shown in the option B does not correspond to any of the product formed as a result of methyl acetate and methyl propionate.

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