{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Reduction Reactions", "refinement": "This problem involves the reduction of an \u03b1,\u03b2-unsaturated ketone using sodium borohydride, a common reducing agent.", "specific_scope": "The focus is on the reaction of (E)-4-phenylbut-3-en-2-one, which is an \u03b1,\u03b2-unsaturated ketone, and the expected product after reduction in methanol.", "goal": "Identify the major product formed after the reduction of the given compound."}, "summary": "In this organic chemistry problem, we are examining the reduction of (E)-4-phenylbut-3-en-2-one using sodium borohydride in methanol. The reaction involves the conversion of an \u03b1,\u03b2-unsaturated ketone to an alcohol. The major product of this reduction is 4-phenylbutan-2-ol, which results from the addition of hydrogen across the double bond and the carbonyl group, leading to the formation of a secondary alcohol."}