O Draw the structures of the intermediate bromonium and cyclic carbocation and mechanisms for all three steps, involved in the following reaction. propose
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Q: 2. Provide a detailed mechanism for the following reaction: Br NBS light
A: Allylic bromination of alkenes can be achieved by using N-Bromosuccinimide (NBS) in the presence of…
Q: Draw the structures of the intermediate bromonium and cyclic carbocation and propose mechanisms for…
A: Solution- The structures of the intermediate bromonium and cyclic carbocation is shown as follows:
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Q: O Br Br O OMe NH₂
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Q: a. Give the mechanism (arrow-pushing) for the reaction below. NaOMe/MeOH b. Name the product of the…
A: a. It follows E1 mechanism. At first the good leaving group Br^- departs to give corresponding…
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Q: 3. Draw a detailed arrow pushing mechanism for the following reaction H i. Og, ii. PPH3 CH2CI2 H
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Q: MeONa MeOH
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Q: b. Predict the products of the following elimination reaction and indica is the major product: (1)
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Q: Propose a mechanism for each of the following rearrangement reactions:
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: Problem attached
A: The organic reactions are carried out with the help of specific reagents. Every reaction is guided…
Q: 4. Propose and illustrate detailed mechanisms to complete the following reactions each):
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Q: Please state if the substrate below undergoes a carbocation rearrangement in an SN1 mechanism
A: In SN1 mechanism carbocation rearrangement takes place when that carbocation is not stable and and…
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Q: a) HBr
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Q: Provide a reasonable mechanism for the following transformation. Includeall intermediates as well as…
A: The mechanism is as follows:
Q: a) b) НО ОН PCC CH2Cl2
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Q: Predict the major product of the reaction. NBS hv
A: NBS in presence of light produce free radicals , which adds bromine in the allylic position of…
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Q: Br2 H20 CH3CH,CH,CCH,Br CH,CH,CH,C=CH
A: The mechanism of the following reaction is as follows:
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Q: HO OH H+ to
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Q: ZEU-UEU-UEZ
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A: The detailed mechanism with explaination for the above two reaction is provided in a attached image.
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Q: Draw a stepwise, detailed mechanism for the following intramolecular reaction.
A: The intramolecular ring closure is carried out in the presence of strong acid like H2SO4. The acid…
Q: 5) Indicate the MAJOR product of the following reaction and provide a detailed mechanism that…
A: Enamine undergoes hydrolysis to give corresponding carbonyl compound.
Q: Provide the mechanism and the product for the following reaction: (Some are multisteps) Br2 (excess)
A: An electrophile is an electron loving species. Electrophilic addition reactions are those where an…
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- The hydrocrbon B undergoes catalytic hydrogenation (H2, Pd/C) to give 1-isopropyl-4-methylcyclohexane. Using the ozonolysis products for B as a guide, reconstruct the structures of B.Propose a mechanism for the following cycloaddition reaction. Classify the reaction using the [m + n] classifications for cycloadditions. Draw the bonding molecular orbitals and identify the type of bonding present (supra - supra, antaraantara, or supra - antara). Identify if this reaction would proceed thermally or photochemically.Predict the product(s) and provide a full arrow-pushing mechanism for the reaction of4-methyl-1-hexyne with two equivalents of hydrobromic acid. If necessary, label majorand minor products.
- Rank the following compounds in order of their expected reactivity towardSN2 reactions and explain your order. CH3Br, CH3OToS, CH3CCl, CH3CHClWhen 1,2-dimethylcyclopentene undergoes hydroboration–oxidation, one diastereomerof the product predominates. Show why this addition is stereospecific, and predict thestereochemistry of the major product.Illustrate the mechanism of forming alkynes from a 1,2-dihalide and a vinylichalide. Show intermediates as applicable and use the arrow formalisms.
- Explain how and why rearrangements occurduring Friedel-Crafts alkylation reactions formingmore than 1 product. Also illustrate therearrangement reaction from the aboveexample.Predict major and minor products of bicyclo[4.4.0]dec-4-ene when reacted with NBS in peroxide.a. Identify the two products obtained from the following reaction: b. A student carried out the preceding reaction, but stopped it before it was half over, whereupon he isolated the major product. He was surprised to findthat the product he isolated was neither of the products obtained when the reaction was allowed to go to completion. What product did he isolate?
- Show the curved-arrow mechanism for the first step, and the structure of the cyclic intermediate formed, when cyclopentene in treated with KMnO4 . A Lewis structure for the permanganate ion is provided in the hint. Make sure to show all non‑bonding electron pairs and formal charges where necessary. Omit K+ .Acetoxybenzene (PhOC(=O)OCH3) is much less reactive than ethoxybenzene (PhOCH2CH3) in electrophilic aromatic substitution reactions. Suggest an explanation for this result, based on an analysis of the inductive and resonance electronic effects of the two substituents on the stability of theWheland intermediate for para substitution by an electrophile E+Give the structures of two different alkyl bromides both of which yield the indicated alkene as the exclusive product of E2 elimination.