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![10. [3+2]
Draw the two regioisomers that would result from the [3+2] cycloaddition reaction below.
R-N=N=N
R'-CECH
[3+2]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F33e9ea5d-2cab-4279-8956-9375870ce1c3%2Fe98963b6-d1a5-46fe-a2c7-234d0f3f906b%2F6w2yva_processed.png&w=3840&q=75)
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- best condition for the reaction (1r,2s)-1 bromo-2methylcyclohexane->(s)3-methylcyclohex-1eneFor each reaction, decide whether substitution or elimination (or both) is possible, andpredict the products you expect. Label the major products. chlorocyclohexane + NaOC(CH3)3 in (CH3)3COHIn 4+2 cycloaddition, ENDO stereochemistry is preferred because: endo stereochemistry allows the diene to adopt s-cis conformation. endo stereochemistry results in less steric hindrance. the transition state leading to endo stereochemistry is higher energy. it allows for additional π to π overlap between the diene and the dienophile.
- For the nitration of a monosubstituted benzene, which substituent, when attached to benzene, produces the fastest reaction rate? —Br —CH3 -OCOCH3 —OCH3a. Show that [4+4] cycloaddition of two butadiene molecules to give cycloocta-1,5-diene is thermally forbidden but photochemically allowed b.Thermally allowed cycloaddition of the two butadiene molecules when there's a different. Show reaction and explain why it is thermally allowWhat type of cycloaddition occurs in Reaction [1]? Draw the product of asimilar process in Reaction [2]. Would you predict that these reactionsoccur under thermal or photochemical conditions?
- Draw the product of 6-6-dimethylcyclohex-2-en-1-one, CH3MgCl and hydronium workup.During the further development of other prostaglandin-like molecules, it is necessary to replace the cyclopentane ring with the cyclohexene as shown in the reaction scheme below. (Deuterium (D) is a heavier isotope of hydrogen) a) Draw the most stable conformation of the starting material 8 and explain why this is the most stable conformation. b) Draw the reaction mechanism for how 9 is formed from 8 and explain why 10 and 11 are not formed if one assumes the E2 mechanism.Draw the product of an SN2 reaction shown below. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers. Ignore inorganic byproducts.
