{"knowledge_schema": {"broad_category": "Organic Chemistry \u2192 Reactions \u2192 Michael Addition", "refinement": "This problem involves identifying the reactants and products of Michael addition reactions, which are characterized by the nucleophilic attack of an enolate on an \u03b1,\u03b2-unsaturated carbonyl compound.", "specific_scope": "The task requires analyzing specific reactions involving dimethyl malonate, methyl (E)-3-(p-tolyl)acrylate, 1-(cyclohex-1-en-1-yl)piperidine, (E)-but-2-enenitrile, and but-3-en-2-one to determine the major products formed after the reactions.", "goal": "Identify the correct major products for each of the given Michael addition reactions based on the provided candidates."}, "summary": "This problem focuses on the Michael addition reactions, where nucleophiles attack \u03b1,\u03b2-unsaturated carbonyl compounds. The task is to determine the major products formed from specific reactants in these reactions. The candidates provided include various possible products, and the goal is to match the correct products to the respective reactions involving dimethyl malonate, methyl (E)-3-(p-tolyl)acrylate, and others. Understanding the mechanism of the Michael reaction and the nature of the reactants is crucial for identifying the correct answers."}