Question

please help me figure out the steps and reagents for this synthesis problem

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Answer 1

1st step is bromination of butane by using Br2 in light forms 2 bromobutane Wich react with alcholic KOH forms 2 Butene major product according to Zaytsevs rule.2 Butene converted to 2 Butanol by adding water in acidic condition.wich oxidise to form carbonyl compound 2 butanone . Then 2 butanone react with NaH forms thermodynamically controlled enolate Wich react MeI to gives 2- methyl-2 butanone . The 2-methyl-2-butanone reacts with Grignard reagent gives above product.

synthesis Bromination Alcoholic Beacher Hibra Hason + H2O CY HED Thermodynamically controlled enojate' 1.4621 amoy a