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5. For the reaction of 1,3 -pentadiene with HBr, write the mechanism for the formation of the major product if the react
Posted: Tue Jul 12, 2022 1:16 pm
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- 5 For The Reaction Of 1 3 Pentadiene With Hbr Write The Mechanism For The Formation Of The Major Product If The React 1 (18.91 KiB) Viewed 32 times
5. For the reaction of 1,3 -pentadiene with HBr, write the mechanism for the formation of the major product if the reaction mixture is warmed to 65∘C. 6. Using molecular orbitals, explain why the cycloaddition of two molecules of cthene to form cyclobutene is A. Thermally forbidden B. Photochemically allowed 7. Sketch (using the balloon-type-diagrams on the vertical cnergy diagram axis like we saw in class) the pì molecular orbitals for 1.3-hexadiene AND show how the electrons fill the orbitals. Hint: This pi system is very similar to the pi system for 1,3-butadiene - there are two conjugated pi bonds total.