4.) For the following dienes A-G, please circle which organic molecules would not function as dienes in a Diels Alder reaction? CH3 H3C CH3 H3C CH2 H3C CH3 D. A H H H2 CH3 H-CEC- CH2 H3C E
Q: 9. Which one of the below molecules is the most reactive diene? OAA OBB OcC O D. All of them
A: Interpretation - We have to tell about which one of diene is most reactive - Introduction -…
Q: 11. Rank the following dienes in terms of reactivity in Diels-Alder reactions (from least reactive…
A: The diels alder reaction is the reaction between conjugated diene and dienophile via [4 + 2]…
Q: Which of these dienes are conjugated? If they are conjugated, draw in a possible resonance form in…
A: Given: A set of dienes.
Q: 5.) For the following molecules V-Z, please circle which organic molecules would function well as…
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Q: 4. Which two of the following dienes are unreactive in a Diels-Alder reaction? You must choose both…
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Q: 7. [a] Use the curly arrow formalism to illustrate the Diels-Alder cycloaddition of cyclopentadiene…
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Q: 4. Rank the following dienes in order of their reactivity in standard Diels-Alder reactions (1= most…
A: Reactivity in standard diels-alder reaction:
Q: CH3 -CH3 CH3
A:
Q: 2. Rank the following dienes based on their reactivity in Diels-Alder reaction (#1 is the slowest)…
A: Diels-Alder reaction is a reaction in which the diene reacts with dienophile to form a six membered…
Q: 5.) For the following molecules V-Z, please circle which organic molecules would function well as…
A: Diels Alder reaction is between diene or conjugated diene and alkene.
Q: One of the following Diels-Alder reactions will occur more rapidly than the other. Draw the major,…
A: The answer is as follows:
Q: Design a synthesis of 1-cyano-2-methylbicyclo[2.2.1]-2,5-heptadiene from cyclopentene and any other…
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Q: Draw the product of the Diels-Alder reaction. Be sure to include stereochemistry (use hashed wedged…
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Q: 5.) For the following molecules V-Z, please circle which organic molecules would function well as…
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Q: 4.) For the following dienes A-G, please circle which organic molecules would not function as dienes…
A:
Q: 1. Write in the product of this Diels-Alder reaction. Be sure to include stereochemistry where…
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Q: 3 Please give one example for the classes of different dienes. Please explain why the conjugated…
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Q: Classify the following diene, as an aid to understanding its reactivity. Conjugated Diene Cumulated…
A: The three different types of dienes are 1) Conjugated dienes 2) cumulated dienes 3) Isolated…
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Q: 7. Although the Diels-Alder reaction generally occurs between an electron-rich diene and an…
A: Products are drawn below-
Q: Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form…
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Q: 14.9 (a) This diene has an s-cis conformation and should undergo Diels-Alder cycloaddition. (b) This…
A:
Q: 2) Rank the following dienes in order of increasing rate of Diels-Alder reaction with maleic…
A: From given we are arranging dienes based on their increasing rate with maleic anhydride
Q: What diene and dienophile are needed to prepare the following? H
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Q: One of the following Diels-Alder reactions will occur more rapidly than the other. Draw the major,…
A:
Q: ] Draw the structure of Diels-Alder cycloadduct formed via an endo 3. [а, transition state structure…
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Q: Figure 1. Diels-Alder Reaction Between Anthracene and Maleic Anhydride AICI, or heat
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Q: 200 +
A:
Q: Classify the following diene, as an aid to understanding its reactivity. H3C-C=C=C-CH3 Conjugated…
A: Conjugated dienes are those, in which two double bonds are separated by one single bond. isolated…
Q: Diels–Alder reaction of a monosubstituted diene (such as CH2=CH–CH=CHOCH3) with a monosubstituted…
A:
Q: The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a…
A: The allylic carbocation intermediate formed by the protonation of a conjugated diene with HBr is…
Q: a. Write the product of the following Diels Alder reaction? b. Rank the following compounds in order…
A: Key points about the Diels-alder reaction are as follows. This is a type of pericyclic reaction.…
Q: 7. Explain why the spontaneity of the reversible Diels-Alder reaction is temperature dependent? 20.…
A: In Diels Alder reaction,low temperature favors endo product and high temperature favors exo product…
Q: Show the starting diene and dienophile you could use to prepare the following molecule: Diene +…
A:
Q: The following is an example of a hetero Diels-Alder reaction, because a noncarbon atom (in this…
A: The hetero Diels-Alder reaction is given as,
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Q: 6. Answer ALL parts of this question: a) Draw all the molecular orbitals of ethene and…
A: All the answers are given below.
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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? H2C CH3 H3C H CH3 H3C CH2 Hạc CH3 A H2 CH3 H H-CEC CH2 H2 CH2 H3C F H. G5.) For the following molecules V-Z, please circle which organic molecules would function well as dienophiles in a Diels Alder reaction. H3C CH3 CN H2C=C N-CH3 H3C CH3 H3C-0 O-CH3 V Y5.) For the following molecules V-Z, please circle which organic molecules would function well as dienophiles in a Diels Alder reaction. H3C CH3 CN Hạc CH3 -CEC-C O-CHa H2C=C N-CH3 H3C-0
- 8) Predict the two products that form in following Diels-Alder reaction. Circle the major product. CH₂O H O₂N CH₂OCH3 H8) Predict the two products that form in following Diels-Alder reaction Circle the major product. CH₂O CH₂OCH, H O₂N4.) For the following dienes A-G, please circle which organic molecules would not function as dienes in a Diels Alder reaction? CH3 H3C CH3 H3C CH2 HạC A B CH3 H2 t=CH2 H CH3 H2C: H-CEC H3C CH2 G
- 6.) For the following reactions, please draw the structures of both the diene and dienophile that would afford the depicted Diels Alder adducts. 1. Cl ? ? cl Diene Dienophile cl Cl 2. CH3 O CH3 ? CH3 Diene Dienophile CH3 3. ? + ? Diene Dienophile 4. CH3 ? + Diene Dienophile CH33. 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(a) Draw the major products A, B, and C for the Diels-Alder reactions below. A EtO2C. + В `CO̟Et
- b) Which of these dienophiles gives the FASTEST reaction with cyclopentadiene? CH2 CH2 A. | В. C. | D. | Give structures for the major Diels-Alder product of the following reactions: 1,3- cyclohexadiene and tetrachloroethene 1,3-cylcohexadiene and fumaric acid, the trans isomer of maleic acid с.5. The molecule below is the product of a hetero-Diels-Alder reaction, i.e. one in which one or more of the atoms of the reactants that form the six-membered ring of the product is different than carbon. Circle the hetero-Diels-Alder retron in the product and draw the reactants. cat., -20 °C CC14 HN-Consider the reaction of 1,2-epoxy-1-methylcyclopentane below. It can be reacted with NaOCH3 to form product 1 or with CH3OH/H* to form product 2. 1 OCH3 a OH NaOCH3 CH₂OH CH3 give OCH 3 CH3 OH b J...CH3 OH с CH3OH CH3OH₂* CH3 OCH 3 OH d 2 OCH 3 CH3 Based on the stereochemistry shown here, product 1 would be structure [Select] and product 2 would be structure [Select]