QuestionOrganic / β-keto ester alkylation
In the given reaction sequence, products X and Y are :


- (a) X = ethyl 3-benzyl-2-oxocyclopentanecarboxylate; Y = 3-benzyl-2-oxocyclopentanecarboxylic acid
- (b) X = ethyl 1-benzyl-2-oxocyclopentanecarboxylate; Y = 2-benzylcyclopentanone
- (c) X = ethyl 1-benzyl-2-oxocyclopentanecarboxylate; Y = 2-benzylhexanedioic acid
- (d) X = 3-benzyl-2-oxocyclopentanecarboxylic acid; Y = 2-benzyl-5-bromocyclopentanone
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