2. Provide a clear arrow-pushing mechanism for the following reactions. Do not skip protontransfers, do not combine steps, and make sure your arrows are clear enough to be interpretedwithout ambiguity.a.CH3PhOEtهدPhCH3Hint: the species on the left is an ynolate, which behaves a lot like an enolate.

Problem Overview:You are given:Reactants:An ynolate ion (a carbon-carbon triple bond adjacent to a…

Answered: 2. Provide a clear arrow-pushing…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter14: Elimination

Section: Chapter Questions

Problem 36E

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a. Give a curved arrow mechanism for the following mechanism. Where appropriate, label the Lewis acid and Lewis base in each step, and whether they are also Bronsted acids and bases. b. Draw a reaction energy diagram for the diagram abow indicate the rate step and its activation energy, indicate the position of the transition states, and draw structures for all transition states.
1. Draw a reasonable arrow-pushing mechanism for the transformation shown along. 2. Identify nucleophiles and electrophiles 3. Name any type of reactions taking place like E2 or E1 4. Account for any regio- or stereoselectivity
Why we need step 3 before step 4? a. Because the nitro group increases the electrophilicity at the ortho positions which is where the bromine is added. b. Because the amine group is a strong ortho, para director which is what controls the regiochemical outcome of this bromination. c. Step 4 is unessesary. The symmetry of compound 3 allows for the bromination to be regioselective and give compound 5. 5. There will be a mixture of products because there is no selectivity for a major product.
9. Draw the three products made during this ortho-para directing reaction, keeping in mind that deuterium (D) is an isotope of hydrogen and reacts in much the same way as a hydrogen. OH HNO3 H₂SO4
Please solve and explain?
XVI. Which of the two nitrogens (a or b) would be more basic (stronger base)? CONCISELY explain why. H ·N· of a
1. Which of the following is the strongest nucleophile? Refer to the diagram below with an MeOH, MeSH, etc. 2. Which of the following is true about the stereochemistry of SN1 reaction?a.retention of configuration at the electrophilic centerb.50:50 mixture of retention and inversion of configuration at the electrophilic centerc.inversion of configuration at the electrophilic centerd. slightly more inversion than retention at the electrophilic center
give transformation
3. Consider the electrophilic aromatic substitution reaction below. Draw three resonance structures of the arenium cation intermediate resulting from para attack. Of these three, indicate one which would be a relatively stable resonance contributor. Finally, provide a possible justification for the fact that the major product here would be the para product, while the ortho product is formed as a minor product (only trace amounts of meta product are formed). Br2, FeBrz
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3.

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