Chapter 16: PROBLEM 16.20 (page 623)
Question: Rank the following dienes in order of increasing reactivity in a Diels–Alder reaction.
a.
b.
c.
Short Answer
Answer
Order of reactivity of dienes:
Chapter 16: PROBLEM 16.20 (page 623)
Question: Rank the following dienes in order of increasing reactivity in a Diels–Alder reaction.
a.
b.
c.
Answer
Order of reactivity of dienes:
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Get started for freeQuestion. Draw all possible resonance structures for the following cation and indicate which structure makes the largest contribution to the resonance hybrid.
Question: Draw the products of the following Diels–Alder reactions. Indicate stereochemistry where appropriate.
a.
b.
c.
d.
Question. Draw the structure consistent with each description.
a. (2E,4E)-octa-2,4-diene in the s-trans conformation
b. (3E,5Z)-nona-3,5-diene in the s-cis conformation
c. (3Z,5Z)-4,5-dimethyldeca-3,5-diene. Draw both the s-cis and s-trans conformations.
Question: Treatment of alkenes A and B with HBr gives the same alkyl halide C. Draw a mechanism for each reaction, including all reasonable resonance structures for any intermediate.
Question: Rank the following dienophiles in order of increasing reactivity
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