{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Reaction Mechanisms", "refinement": "This problem specifically deals with the Diels-Alder reaction, a cycloaddition reaction between a diene and a dienophile.", "specific_scope": "The focus is on the reaction of 2-methyl-1,3-butadiene (a diene) with maleic anhydride (a dienophile) and the subsequent hydrolysis to form a dicarboxylic acid.", "goal": "Identify the major product formed from the Diels-Alder reaction and hydrolysis, specifically determining the stereochemistry of the resulting compound."}, "summary": "This problem involves organic chemistry, particularly the Diels-Alder reaction, where a diene (2-methyl-1,3-butadiene) reacts with a dienophile (maleic anhydride) to form a cyclohexene derivative. Following the reaction, hydrolysis occurs, leading to the formation of a dicarboxylic acid. The goal is to determine the major product, which is identified as cis-4-cyclohexene-1,2-dicarboxylic acid, highlighting the importance of stereochemistry in the reaction outcome."}