In the reaction given below, which compound is the diene? A C B A O B None of the above.

Q: Which molecules contain good leaving groups?

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Q: A hydrogen and the leaving group have to be antiperiplanar in which reaction? O E2 O inversion O SN1…

A: The leaving groups and hydrogen leave when from the given organic substrate if the reaction goes…

Q: Complete the following Diels-Alder reactions. No mechanism. Explain why in some cases no reaction…

A: The Diels alder is a cycloaddition reaction of diene (involves 4 pi electrons) and a dienophile…

Q: Pedict the major product of the following reaction peroxide CH3CH2CH=CH2 + HBr 1-butene ???????? A-…

A: HBr (hydrogen bromide) acts as a protic acid. Protic acids react with alkene and alkynes. The…

Q: Draw the major 1,2- and 1,4-addition products formed when this diene reacts with HBr. Do not include…

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Q: The products of the given reaction are, E2 CH;CH,Br H,C=CH2

A: In Nitrogen containing Lewis base its lone pair of electron is present in sp2 hybrid orbital ,which…

Q: 9. For the following carbocations: 1) determine if they rearrange, and 2) if they rearrange, draw…

A: Carbocation tends to undergo rearrangement reaction whenever there is a possibility of forming a…

Q: Final step OEt HO HO. OH O. HN NH2 not formed in final step OEt 11 Target

A: An organic reaction in which the incoming nucleophile takes the position of a leaving group is…

Q: 1. Show the Diels-Alder product from the reaction shown D

A: Diels–Alder reaction: the Diels–Alder reaction is a chemical reaction between a substituted alkene…

Q: In the reaction given below, which compound is the dienophile? A C В O B O A None of the above.

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Q: Which of the following carbocations ( A or B) is more stable? Explain your choice.

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Q: Rank the following alkyl halides in order of increasing SyI reactivity. Br Br B: Br C: А: A B C…

A: In SN1 reaction formation of carbonation takes place so the reactivity of that alkyl or Aryl halide…

Q: Draw the major organic product of the reaction shown below. OH + SOCI₂ You do not have to consider…

A: substitution reaction, is chemical reactions in which an atoms or group in a molecule is replaced by…

Q: 2) 3) 4)

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Q: 5. Draw a detailed mechanism and give the products for the following Diels-Alder reaction. Label the…

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Q: CN- I"H Br

A: Alkyl halides can give nucleo phillic substitution reaction,in this case the given secondary alkyl…

Q: Draw the mechanism and product for each of (a) (b) NH2 the reactions shown. HS ? Acetone, H,O H,0

A: Given reaction,

Q: b) c) НО ОН HBr 0ºC -H2O H₂SO4 80 °С -H2O Br.

A: Alcohol gets prtonated to produce oxoniumion whcih eliminates water molecule to produce carbocation.…

Q: OB O C O A A. OD Which of the following is the most likely structure of the following cation after…

A: The stability of carbocation is  :  3° > 2° > 1°  3° carbocation means the the carbon atom at…

Q: What kind of diene is 2,4-hexadiene? alkynyl isolated conjugated cumulated none of the above

A: The given diene is 2,4-hexadiene. The structure of 2,4-hexadiene is shown below:

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: (i) which reaction among the pair, is fastest? Explain your (ii) predict the products of faster…

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Q: 3. Please rank the following dienes in their rate of reaction with the same dienophile in a…

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Q: Draw the major 1,2- and 1,4-addition products formed when this diene reacts with HCI. Do not include…

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Q: Which of the following carbocations (A or B) is more stable? Explain your choice.

A: The carbocation A and B are stabilizing by the adjacent heteroatoms. Oxygen and nitrogen atoms…

Q: ON=N=N 1,3 dipolar cycloadditon =ル ONEN=N 1,3 dipolar cycloadditon シ=を

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Q: 1. Show the product(s) of reaction of the following alkene with NBS:

A: Applying concept of reactivity of NBS as allyl halogenation.

Q: 47. Which mechanism(s) would be favored under the following reaction conditions? Br HO Нeat A) Sy1…

A: The given reaction is to be done in conditions, where heat is being given to the reactant and we are…

Q: 4) Draw the major product of the following reactions (hint: watch out carbocation rearrangement): Br…

A: Given reactions are example of F.C. alkylation reaction.

Q: ) Draw the major product(s) of the following reaction a. Hint: Remember to redraw the diene in the…

A: A concerted type reaction which goes through cyclic transition state is known as pericyclic…

Q: aw the appropriate number of hydrogens on nitrogen and oxygen, where applicable. Draw product C. NH2…

A: Solution- Above given organic compound main product drawn below-   (c)-

Q: This major product can be made via diels- alder reaction. Show the diene and dienophile that will…

A: The Diels alder reaction occurs in presence of heat to form an adduct.

Q: Which of the molecules shown here will react faster as a diene in a Diels–Alder reaction with…

A: Diels elder reaction is the most important organic chemical reaction between A conjugated diene and…

Q: ng is most reactive under E2 conditions? Br Br Br Br (A) (B) (C) (D) Compound B Compound C Compound…

A: Applying condition of E2 elimination reaction.

Q: The diene below when heated, will automatically cyclize into the Cyclubutene shown. Explain how this…

A: This question is from pericyclic reaction. This is an electrocyclic ring closing reaction of 4pi…

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

A: Answer is A) electron donating groups on the diene and electron withdrawing groups on the…

Q: 6. Draw products of the following reactions 1) OsO4 2) NaHSÓ,, H2O OH", H20 mCPBA S MCPBA H*, CrO3…

A: ->OsO4/NaHSO3 give diol when react with alkene. ->mCPBA give epoxide with alkene.…

Q: Which diene ylelds this product when heated with the correct dienophile?

A: Diels-Alder reaction: The Diels–Alder reaction is a reaction between a conjugated diene and a…

Q: Consider the following dienes in a Diels–Alder reaction with ethene. Which will react the fastest?…

A: Compound S will react fastest. Compound T will react slowest.

Q: Show the El mechanism for the following reaction, which includes a rearrangement. Use your work to…

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Q: Draw the product of the reaction below including stereochemistry. CH3ONA HI

A: The given reaction proceeds through the E2 elimination pathway.  Because the nature of substrate is…

Q: H. Br エ

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Q: Which of the following dienes is the most stable? (A) (B) (C) (D) Compound D Compound A Compound C…

A: Types of diene based on the position of double bond and stability of diene

Q: 5. Draw the major reaction products for the following: a) CHECH2 Br2 b) CHECH2 H,/ Pd ?

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Q: Draw the mechanism for the reactions below (include lone pairs on all structures; c except…

A: The mechanism has been drawn below

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

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Q: The intermediate In an SN1 reaction is : Carbocation Carbanion Radical O unknown

A: SN1 mechanism

Q: Draw the mechanism and major product for each of the following Diels–Alder reactions. Pay attention…

A: Diels Alder reaction is a cycloaddition reaction. It is a concerted single step reaction leading to…

Q: Draw all resonance structures for the carbocation formed by ortho attack of the electrophile +NO2 on…

A: (a) A species with a larger size can easily accommodate a negative charge. In other words, in a…