3. Consider the two substitution reactions shown below (A and B): A Br B ei i Br ... ill a. Assign every stereocenter in both of the starting materials and products above as either (R) or (S) configuration. Write your answers in the boxes above. H b. Provide a complete arrow pushing mechanism for each reaction. [Hint: Pay attention to the product stereochemistry] c. In reaction B, a second isomeric product is expected to be formed in roughly equal amounts to the product shown. Draw that second product, and label any stereocenters as (R) or (S).

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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3. Consider the two substitution reactions shown below (A and B):
A
B
OX OX
H
O
D
a. Assign every stereocenter in both of the starting materials and products above as either (R) or (S)
configuration. Write your answers in the boxes above.
b. Provide a complete arrow pushing mechanism for each reaction. [Hint: Pay attention to the
product stereochemistry]
e. Write the rate law for reaction A.
c. In reaction B, a second isomeric product is expected to be formed in roughly equal amounts to
the product shown. Draw that second product, and label any stereocenters as (R) or (S).
d. What is the name of the mechanism that best describes these reactions?
Transcribed Image Text:3. Consider the two substitution reactions shown below (A and B): A B OX OX H O D a. Assign every stereocenter in both of the starting materials and products above as either (R) or (S) configuration. Write your answers in the boxes above. b. Provide a complete arrow pushing mechanism for each reaction. [Hint: Pay attention to the product stereochemistry] e. Write the rate law for reaction A. c. In reaction B, a second isomeric product is expected to be formed in roughly equal amounts to the product shown. Draw that second product, and label any stereocenters as (R) or (S). d. What is the name of the mechanism that best describes these reactions?
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