5. What is a dienophile? OA. "diene-loving" O B. has one pi bond OC. reacts with diene O D. All of them above

Q: CI H-CH3 CH3 OLE CI H₂CC Hạc"C-CH, CH3 BIM J-G CI HIGH H LAR CI C-H HI.C CH3 CUL

A: The reactivity towards SN2 reaction decreases when the nucleophile is sterically inhibited .  Steric…

Q: QUESTION 1 Circle the best dienophile CH3

A: In Diels-Alder reaction dienophile is the 2pi system .

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: 2. Determine the starting material that could have been used to synthesize the follwoing Diels Alder…

A: Using concept of retro Diels-alder reaction.

Q: 3. Compare the following three isomeric dienes: (a) Which compound will liberate the least heat upon…

A: The heat of hydrogenation is defined as the amount of energy liberated when an alkene or unsaturated…

Q: From what diene and dienophile could each of the following be made? b. OCH, CN

A:

Q: Draw the exo and endo product for the reaction of cyclopentadiene and maleic anhy- dride. Which one…

A: 2. Cyclopentadiene and maleic anhydride react readily in Diels-Alder reaction to form an addition…

Q: Which diene has conjugated double bonds? b) d) e)

A: Conjugated double bonds are the two or more double bonds that are separated by a single bond.

Q: A) Below is a conjugated diene. Show the possible 1,2-product and 1,4-product in the reaction with…

A: If a conjugated diene reacts with a limited amount of electrophilic reagent so that addition can…

Q: Which is the least reactive dienophile in the structures provided below? COOET COOEt COOET OAA OBB…

A: Electron withdrawing group attached to the dienophile increases its reactivity. Electron releasing…

Q: (1) Which is an isolated diene? (2) Which is an alkene with possible rearrangement product (1,2-H…

A: Following are the appropriate answers of the given questions.

Q: ose the best starting alkyne for the reaction in the im

A: Various organic compounds are converted to other organic compounds with the help of some reagents.

Q: Arrange the dienes below in order of decreasing reactivity (most reactive to least reactive) A…

A:

Q: Rank order the following in terms of relative reactivity (most reactive on the left, least reactive…

A: Since for this problem we have to determine the order or reactivity of different carbonyl. We are…

Q: 5. Explain why A is much more stable than B? B NH

A: To explain why compound (A) is more stable than the compound (B)

Q: Alkene Z or E?

A:

Q: O b only

A: Answer-  b only

Q: CH3 NC. NC A C B

A: In the Diels-alder reaction, the diene and dienophile react with each other to form the new product.…

Q: list the given dienes in the order from least reactive to most reactive.

A:

Q: With reference to diene A:a. What product is formed when A undergoes a [2 + 2] cycloaddition?b. What…

A: Cycloaddition is a chemical reaction in which unsaturated molecules combine to give a cyclic adduct.…

Q: Predict the major products of the following. (c) (a) (b) HO,S ? HNO3 Cl2 ? FeCla AICI, H2SO, H,CO…

A: All the given above reaction are electrophilic substitution on the aromatic benzene ring. The major…

Q: Which is the least stable carbocation? a. O b. A mo Oc. d.

A: Welcome to bartleby !  As per Q&A guidelines we can answer one question per session .So,I have…

Q: 3 Please give one example for the classes of different dienes. Please explain why the conjugated…

A:

Q: Which of these dienes is the least stable?

A: The stabolity of diene is conjugated>non-conjugated diene is more stable than non-conjugated.

Q: raw the major product of the SN2 reaction below ar roduct formation. Remember to consider product st…

A: For the E2 elimination, leaving group and H on beta carbon should be anti-periplanar.

Q: 1. In the Diels-Alder reaction below, six isomeric products A-F are depicted. However, only one of…

A:

Q: Rank order the following in terms of relative reactivity (most reactive on the left, least reactive…

A:

Q: The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a…

A: The addition of HBr to conjugated dienes can lead to 1,2 (Kinetic product) or 1,4 addition products…

Q: reactivity

A: Reactivity towards nucleophilic substitution reaction is depends on basic strength of leaving group.…

Q: Draw Diene + Draw Dienophile of

A:

Q: 8. Which factors affect the reaction rate in Diels-Alder reactions? OA. Electron donating group on…

A:

Q: 6.) For the following reactions, please draw the structures of both the diene and dienophile that…

A:

Q: 9. Which one of the below molecules is the most reactive diene? A O A. A ОВ. В OC.C O D. All of them

A:

Q: What descriptive term is applied to the type of diene represented by 2,4-hexadiene? O isolated diene…

A: Dienes contains two double bonds. There are following type of dienes -  (1) Isolated Dienes -  These…

Q: 5. What is a dienophile? O A. "diene-loving" O B. has one pi bond OC. reacts with diene O D. All of…

A: Interpretation -  To tell about which one is correct about the dienophile in all the given options…

Q: OMe Classify the following diene, as an aid to understanding its reactivity. Conjugated Diene…

A: The 3 types of dienes are  1) Conjugated dienes  2) Cumulated dienes  3) Isolated dienes

Q: What do you mean by Cumulated dienes ?

A: Cumulated dienes are the alkenes in which a single atom is having two double bonds. Compounds in…

Q: The LEAST reactive dienophile in the group below: CN OMe

A:

Q: What diene and dienophiles are used to make the following compounds? b. :a.

A: Answer:- This question is answered by using the simple concept of Diels -Alder reaction in which…

Q: With reference to diene A: What product is formed when A undergoes a [3,3] sigmatropicrearrangement?

A: It is rearrangement between two allylic system, In [3,3] sigmatropic rearrangement, start giving…

Q: What is/are the possible product(s) of dehydrohalogenation of cis-1-bromo-2-ethylcyclohexane? Et…

A: Given that : We have to identify the product(s) of dehydrogenation of cisd-1-bromo-ethylcyclohexane.

Q: 5. Show the mechanism and major product for the Diels-Alder below +

A:

Q: With reference to diene A: What product is formed when A undergoes a [2 + 2] cycloaddition?

A: Cycloaddition is a chemical reaction in which unsaturated molecules combine to give a cyclic adduct.

Q: 3. Circle the dienophile that will react the fastest in Diels-Alder reaction HO3S. H;CO. H2N

A: Given dienophile:

Q: more stable alkene Alqueno más estable: A. В. С. Select one: O a. A O b. B О с. В-С O d. C

A: In this question we have to tell the most stable alkene.

Q: b) Which of the flowing reactions will have the faster rate and give a better yield? Use drawings of…

A: To determine which reaction will proceed in faster rate , depends on transition state. The reaction…

Q: 8. Which factors affect the reaction rate in Diels Alder reactions? OA Electron donating group on…

A:

Q: 4) Pick which one of the conjugated dienes would be preferred for 1,2-/1,4-additions as well as…

A:

Q: 1. Which is more reactive towards Nu-? 1. Н-с-н vs -CH2CHO 2. H2N- -СНО vs CHO -СНО Vs -COCH3 3.

A: Nucleophile is an electron donating species to form a chemical bond which attack on electron…

Q: two products Select Draw Rings More H Br CI Br2,

A: Substrate is Chlorobenzene and in this structure Cl group is ortho-para direacting towards…

Q: why does this carbocation go through rearrangemnt by a hydride shift?

A:

Q: Assuning the 18¢ rule find frot 20w doontin ometal (M) Sketch the cmce th aef parf and comples M(CO)…

A:

Q: 1=first in name 4%=last in name

A: write the position numbers and names of the substituent groups, in alphabeticalorder, before the…

Q: 6. 7. product in #6 CH3 HNO3, H₂SO4 SnCl₂ H* OH ?

A: 6. Electrophilic substitution: The resonance hybrids for acetophenone is given below. As acetyl…