Chapter 8: 8-101P (page 380)
Which diene and which dienophile could be used to prepare each of the following?
Short Answer
b.
e.
Chapter 8: 8-101P (page 380)
Which diene and which dienophile could be used to prepare each of the following?
b.
e.
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In 1935, J. Bredt, a German chemist, proposed that a bicycloalkene could not have a double bond at a bridgehead carbon unless one of the rings contains at least eight carbons. This is known as Bredt’s rule. Explain why there cannot be a double bond at this position.
Refer to the electrostatic potential maps on p. 368 to answer the following questions:
a. Why is the bottom part of the electrostatic potential map of pyrrole blue?
b. Why is the bottom part of the electrostatic potential map of pyridine red?
c. Why is the center of the electrostatic potential map of benzene more red than the center of the electrostatic
potential map of pyridine?
a. Predict the relative bond lengths of the three carbon-oxygen bonds in carbonate ion.
b. What is the charge on each oxygen?
What two sets of a conjugated diene and a dienophile could be used to prepare the following compound?
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