Question & Answer - Isolated Study

Chemistry

Extracted Text:
18. What is the product of the following reaction? Cl Na A. علن وملن B. متين سنة 19. What is the product. L OH OH ii A. OH OH B. at of OH OH

Answer

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18. The enolate of ethyl acetoacetate reacts with benzoyl chloride by C-acylation to give the acylacetoacetic ester (a β-dicarbonyl ester):

ethyl 3-oxo-3-phenylbutanoate (PhCO–CH(COCH₃)–COOEt).

Choice D matches this product.

19. Salicylic acid treated with acetic anhydride gives O-acetylsalicylic acid (aspirin), where the phenolic OH is acetylated and the carboxylic acid remains.

Choice A.