The ratio between the products resulting from the reversible Diels-Alder reaction of furan and N- phenyl maleimide can be tuned by varying the reaction temperature and solvent. Please answer the following questions. A) Draw the products of this reaction that agree with the product ratios at each temperature when run either neat or in ether. Label each product as either endo or exo and be sure to indicate stereochemistry. 0.07 + n-phenyl maleimide furan A + B

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The ratio between the products resulting from the reversible Diels-Alder reaction of furan and N-
phenyl maleimide can be tuned by varying the reaction temperature and solvent. Please answer
the following questions.
A) Draw the products of this reaction that agree with the product ratios at each temperature when
run either neat or in ether. Label each product as either endo or exo and be sure to indicate
stereochemistry.
Q
furan n-phenyl maleimide
+
Time
7 days
7 days
20 days
7 days
then 5 h
Temp
0 °C
ambient
ambient
0 °C
60 °C
A B
36
49
48
41
68a 23a
43
21
A
+
N-phenyl-
maleimide
(%)
14
11
ga
36
B) Draw the reaction coordinate diagram of this reaction. Label the products from part A, and
provide a drawing of any transition states.
B
Transcribed Image Text:The ratio between the products resulting from the reversible Diels-Alder reaction of furan and N- phenyl maleimide can be tuned by varying the reaction temperature and solvent. Please answer the following questions. A) Draw the products of this reaction that agree with the product ratios at each temperature when run either neat or in ether. Label each product as either endo or exo and be sure to indicate stereochemistry. Q furan n-phenyl maleimide + Time 7 days 7 days 20 days 7 days then 5 h Temp 0 °C ambient ambient 0 °C 60 °C A B 36 49 48 41 68a 23a 43 21 A + N-phenyl- maleimide (%) 14 11 ga 36 B) Draw the reaction coordinate diagram of this reaction. Label the products from part A, and provide a drawing of any transition states. B
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