6 pts 1. Choose the diene that will be most reactive in a Diels-Alder reaction v [ Select ] 2. Choose the diene Diels-Alder reaction A B C To preview the image click here ctive in a H₂N H₂N A B گلم
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![6 pts
1. Choose the diene that will be most reactive in a
Diels-Alder reaction v [ Select ]
2. Choose the diene
Diels-Alder reaction
A
B
C
To preview the image click here
ctive in a
H₂N
H₂N
A
B
گلم](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa418ca60-cf21-433c-9196-bd35d96c9b3e%2Fbc4fc1ff-c74c-45ca-a3f4-ce9cc4073af5%2Fcggz4a_processed.jpeg&w=3840&q=75)
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- 4.) For the following dienes A-G, please circle which organic molecules would not function as dienes in a Diels Alder reaction? H3C CH3 CH2 H3C H B CH3 H3C CH3 H2C CH2 H-CEC CH2 H3C F G 5.) For the following molecules V-Z, please circle which organic molecules would function well as dienophiles in a Diels Alder reaction. H3C CH3 CN N-CH3 H3C CH3 H3C-0 O-CH3 V. 3Q2. Classify the following reactions to: 1. Wagner- Meerwein rearrangement 2. Pinacolic Rearrangement 3. Beckmann Rearrangement 4. Baeyer-Villiger Rearrangement 5. Wolff Rearrangement H,SO4 1. OH OH Ag(I) 2. NO NO OH H,SO4 NH 3. OH H;C, H,SO, + H,O H 4. H;C CH, CH3 HO H,SO4 5. OH OH NH,OH H,SO4 NH 6. A7. Reaction Scheme. NH₂ NH2 or two differnet methods (no same steps/reagents) C5H12N2 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHO
- 8) Predict the two products that form in following Diels-Alder reaction. Circle the major product. CH₂O H O₂N CH₂OCH3 H6.) Fill in the major final product(s) for each reaction scheme below. 1. TsCl, pyridine 2. NaBr, DMF 3. NaCN, DMSO OH Br HOM NaOH H₂O, A 1. H₂SO4, A 2. H₂, Pd-C 1. Br₂ 2. XS NaNH, 3. H₂O 4. XS HBr6., Draw the diene and dienophile which would be used to prepare the following bicyclic compound. Label the diene and dienophile. A NO₂ H H NO₂
- In the E2 reaction of 2-bromopentane with sodium tert-butoxide, 1-pentene is favored over 2- pentene. It is based on O the size of base used. O the Zaisev's rule. O the strength of the base used. O the Hoffman product. O the stability of alkeneUse the E2 mechanism to explain why when I is mixed with sodium ethoxide (NaOEt) in ethanol, the major product is III, but when II is mixed with sodium ethoxide in ethanol, the major product is IV. H3C CH3 H3C CH3 ..CI CI CH3 I CH3 || H3C. CH3 H3C CH3 E ||| CH3 CH3 IV SANSECTION 6: Show the mechanism of each reactions with arrows and intermediates form as in a. b. C. HBr Br₂ Cl₂, H₂O Br Br CI Br OH
- For Nos. 63-70 Choose: A -if the indicated property/behavior in item I is greater than in item II B-if the indicated property/behavior in item I is less than in item II. C- if the indicated property/behavior is equal in item I and item II. D- if the indicated data is insufficient to make a comparison.The following is a concerted, bimolecular reaction: CH3Br + NaCN ->CH3CN + NaBr.a. What is the rate equation for this reaction?b. What happens to the rate of the reaction if [CH3Br] is doubled?c. What happens to the rate of the reaction if [NaCN] is halved?d. What happens to the rate of the reaction if [CH3Br] and [NaCN] are both increased by a factor of five?3. Please rank the following dienes in their rate of reaction with the same dienophile in a Diels-Alder reaction (i.e. 1 = fastest or most reactive diene, 4 = slowest or least reactive diene). Put your answer on the line below each structure. %3D OMe OMe OMe