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Which dienophile would react the fastest with 1,3-butadiene in the Diels-Alder reaction? Select one: O a....
Which of the following conjugated dienes would NOT react with a dienophile in a Diels-Alder reaction? B A D с A a
Choose the diene and dienophile pair that will give the fastest and
slowest Diels-Alder reaction. (+ draw each products)
CO diene CH2 CN CH2 dienophile CN CH2
Which diene would be unreactive in the Diels-Alder reaction? Select one: O a. ob. o c. O d.
Questions 1. Why does the trans conformation of a diene, in reaction with a dienophile, not lead to a Diels-Alder reaction product? 2. Complete the following Diels-Alder reactions. Provide the major endo-product(s). Dienophile Product(s) 3. How many i electrons are there in a molecule of 1,3-butadiene?
Question 7 Which diene and dienophile would react to give the following Diels-Alder product? wia 0:10:1 EN CH2CH3 IV NC
Which diene and dienophile would react to give the following Diels-Alder product? a. Give the IUPAC name of the diene. b. Give the IUPAC name of the dienophile.
When butadiene reacts with ethyne in a Diels-Alder reaction, what product is formed? O A. cyclohexa-1,4-diene OB. cyclohexyne OC. cyclohexene OD. cyclohexa-1,3-diene E. cyclohexane Reset Selection Question 4 of 10 1 Points How many nodes are in the highest energy MO for the allylic anion? OA. 1 OB.O OC. 2 OD. 3 Reset Selection
Question 10 Which diene and dienophile would react to give the following Diels-Alder product? Edit
18, 22, 23
16) What diene and dienophile would react to give the product below? diere 17) Which of the following compounds is the most reactive dienophile in a Diels-Alder reaction with 1,3-butadiene? A) CH-CHOCH B) CH2-CHCHO C) CH3CHCHCH3 D) (CH3CH2 5) C .CH 18) Using resonance structures, explain the regiochemistry observed in this reaction OCH H.CO heat 19) Provide the major organic product of the following reaction H.CO ÇOCH H.COM 20) Provide the major organic product of the following...
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1) In a normal Diels-Alder reaction, compound_ will react the fastest and will react the slowest. CN ANH, CN CN ndi" Ivana a) I and II b) I and III c) II and IV d) III and I e) IV and V 2) What is the major product of the following reaction? h CHO CHO 1 CHO *CHO "CHO CHO a) Cho b) Eris c) Criy d) Cho 3). Which of the following compounds is aromatic? d)...