2. A) what diene and dienophile would react to give the product below. i) ii) -Co;CH, co,CH,

Q: Give mechanism and write a complete Energy Diagram for Sulfonation of Benzene:

A: When the benzene is treated with conc. sulphuric acid, benzene sulphonic acid is formed. This is…

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: 1. Give the structure(s) of the product(s) for each of the reactions below, and be sure to indicate…

A: Diels - Alder reaction is [4+2] cyclo addition reaction where a diene and a dienophile reacts to…

Q: Classify the following diene, as an aid to understanding its reactivity. H,C=C%3DCH, Conjugated…

A: The three different types of dienes are  1) Conjugated dienes  2) cumulated dienes 3) Isolated…

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: A conjugated diene with an even number of double bonds undergoes conrotatory ring closure…

A: A pericyclic reaction takes place under thermal or photochemical condition. In these reactions,…

Q: The 2 + 2 cycloaddition with one suprafacial and one antarafacial interaction is allowed. Show this…

A: An addition reaction in which two or more unsaturated molecules combine and form a cyclic product is…

Q: Explain about   Buta-1,3-diene ?

A: A question about butadiene, which is to be accomplished.

Q: What are the expected kinetic and thermodynamic products from addition of one mole of Br, to the…

A:

Q: How many equivalent resonance structures for the cyclopentadienyl anion can be drawn ?

A: When a molecule is represented by more than one Lewis structure, then these structures are called…

Q: Alec wanted to prepare to diene B to use in a subsequent Diels-Alder reaction. He thought he could…

A: (a) Requirement from question: FT-IR data We will take FT- IR of the compound and will compare the…

Q: 2) Using one of the MO diagrams your developed in question 1, briefly explain the origins of the…

A:

Q: a. How many vinylic hydrogens does cyclopentene have? b. How many allylic hydrogens does it have?

A: a) The hydrogen which is bonded to a vinylic carbon (sp2 carbon of an alkene) is called vinylic…

Q: a) b)

A: Diels-Alder reaction is defined as the reactions of conjugated dienes with alkenes to form a…

Q: Provide a name for the molecule below and indicate whether it is the "diene" or "dienophile"

A:

Q: Why do these two dienes react at different temperatures?

A: S - cis  diene is required for diels alder reaction

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

A:

Q: 3. The Diels-Alder reaction is quite useful in preparing cyclic or polycylic compounds from dienes.…

A: Diels’s alder reaction is an organic reaction between a conjugated diene and substituted alkene…

Q: Give the systematic name for the diene and the dienophile that can undergo a Diela- Alder reaction…

A: Diels-alder reaction is a type of pericyclic reaction in which electron rich species and electron…

Q: 1. Write in the product of this Diels-Alder reaction. Be sure to include stereochemistry where…

A:

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

A:

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…

Q: 2. Rank the molecules below from most reactive in Diels-Alder reaction to least reactive. Explain…

A: Diels-alder reaction involves cycloaddition of diene with dienophile to give six member cyclic…

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

A:

Q: Br H;C. .CH3 `CH3 H

A: A<C<D<B This the order of decreasing reactivity for E2 elimination

Q: In Part 1, select the two new o bonds that were formed in this Diels-Alder reaction. In Parts 2 and…

A:

Q: Rank the following dienes in order of increasing heat of hydrogenation.

A: The given compounds are,

Q: 3. Which do itself? Why? guhic Chemistry an aromatic ion precursor? 9-bromocyclononatetraene or…

A: The reactants given are 9-bromocyclononatetraene and cyclononatetraene.

Q: 2) Provide a detailed mechanism for the addition reaction shown below. State the regiochemistry and…

A: Given : structure of reactant and product.  This is a electrophilic addition reaction.

Q: What are the expected kinetic and thermodynamic products from addition of one mole of Br, to the…

A: If reactants forms products by activation energy that is small, then the formed product is known as…

Q: The central carbon atom of an allene is a member of two double bonds, and ithas an interesting…

A: The orbital diagram of allene is shown below in which the z-axis is considered as the internuclear…

Q: What diene and dienophile are needed to prepare the compound shown below? Please explain

A:

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

A: Conjugated diene: In this diene alternate single and double bonds are present. Cumulative diene: In…

Q: (4B) Carbocation Stability: Rank the following carbocations in order of stability and briefly…

A: Carbocation is species in which carbon bears positive charge.

Q: a) The following two cyclobutenes 4 and 5 can be opened to form diene structures thermally, however…

A: An electrocyclic ring opening reaction is that type of reaction in which one sigma bond of a ring…

Q: Is it possible for the diene shown below to undergo a Diels-Alder reaction with maleic anhydride?…

A: To check that the given diene  will go Diel-alder reaction with maleic anhydride or not

Q: Classify the following diene, as an aid to understanding its reactivity.

A: Cumulative diene means the double bonds are adjacent. That means there is no separation between…

Q: 3. The Diels-Alder reaction is quite useful in preparing cyclic or polycylic compounds from dienes.…

A:

Q: This is a Diels-Alder reaction between ethylene and cis-1,3-butadiene. For each cycloaddition…

A: The reaction given is,

Q: D. Provide a reasonable mechanism for the Diels-Alder reaction between two molecules of…

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Q: 2- Apply the polygon-and-circle method to the cyclopentadienyl cation and explain whether it would…

A: Polygon method is used to predict whether the compound is aromatic or not. In this method the cyclic…

Q: How to draw the molecular orbital diagram for pent-1,4-diene with a carbocation at the third carbon…

A: Applying formation of molecular orbital of organic molecules on basis of pericyclic chemistry.…

Q: Draw the reaction of a conjugated diene with either HX (HCI, HBr, or HI), X2 (C12, Br2), or with a…

A:

Q: Giving your reasoning, rank the following dienes in order of increasing reactivity reaction. i) ii)…

A: