a. The regiochemistry in the electrophilic addition reaction shown here does not adhere to the original generalization put forth by Markovnikov. Draw the complete, detailed mechanism for this reaction and explain its regiochemistry. F3C HBr O F3C b. Predict the product, draw the mechanism for the addition of HCl to dihydropyran and explain the regiochemistry observed. HI Br

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Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.