2. Complete the following reactions of alkenes by drawing the structures of the major products. Include stereochemistry where relevant. peracid H,O* OsO, H,O2 HBr
Q: 1) Complete the chemical reaction and write the type reaction whether SN1 or SN2 or E1 or E2 or…
A: H2O favours substitution reaction . Strong base favours elimination reaction.
Q: Like other electrophiles, carbocations add to alkenes to form new carbocations, which can then…
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Q: Predict the oxidation product of treating the given alkene with a peroxyacid reagent. Omit…
A: The given reagent is per acetic acid PAA. This reagent can oxidize high electron rich centers.
Q: 1. Hg(OAc)2, EtOH 2. NaBH4, NaOH
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Q: Two of the carbocations are prone to rearrangement. Show how they might rearrange to more stable…
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Q: 1-pentyne FLO 1. NaNH2 2. CH3CH₂CH₂Br lot en tuo ms of y
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Q: Which of the following reactions goes exclusively through a syn addition? -Catalytic hydrogenation…
A: Catalytic hydrogenation using metals as catalysts is a process in which the presence of a metal…
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Q: NH₂ Br₂ AlBr3 HNO3/H₂SO4 OH NH₂ Br₂ AlBr3 NO2 HNO3/H₂SO4
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Q: To make Halocyclopentane, what reagents and substartes are needed? Which one(below) is related with…
A: Alkyl halides (also known as haloalkanes) are compounds in which one or more hydrogen atoms in an…
Q: 4. Write in the product, including stereochemistry where relevant, for these reactions.. a) b)…
A: This is problems based on organic chemistry where alkenes are being oxidised.
Q: In the reactions given below, write to which organic molecule Y, Z, T, A ‘belongs, and give…
A: Description: Concept introduction: a) Williamson ether synthesis: asymmetric ether can be prepared…
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Q: Give two examples each of Unsymmetrical alkenes and reagents and give two examples of reactions of…
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Q: KOC(CH3)3 Br2 KOC(CH3)3 NANH, D CH3I E (2 equiv) DMSO
A: As given in question, that final product is cyclohexyl propyne , which is formed by Reaction of…
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Q: Which one of the alkenes below is not conjugated?
A: Conjugated alkenes are the compounds having double bonds joined by sigma bonds. Conjugated alkenes…
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Q: 1-butene Reagents Reagents n-butylbromide sec-butylbromide
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Q: H2CrO4 B 2CH2CI2 (i) 2Benzene AICI3
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A: Rearrangement of carbocations takes place to produce more stable carbocations.
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Q: Why do both the following alkenes yield the same product upon reaction with hydrobromic acid?…
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Q: 4. Without consulting tables, arrange the following alkenes in order of increasing boiling point.
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Q: Step 4: You have determined that one of the precursors is a vinyl halide, while the other is a vinyl…
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Q: 1. Illustrate and explain how the compound below can be used to produce different alkenes.
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Q: Show the process of synthesizing 2-methyl2-cyclohexenone from 2-methyl cyclohexanone. Write down the…
A: The solution is as follows:
Q: Addition of HBr to which of the following alkenes will lead to a rearrangement?
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Q: Proposed chemical reactions which accomplish the objective shown below. Specify reagents, essential…
A: A.Chemical reactions showing the conversion of cis-alkene to trans-alkene is given below.
Q: Which will yield 2-methylpentane upon catalytic hydrogenation?
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Q: Draw the organic product obtained on treatment of each of the following two alkenes with bromine:…
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Q: H2Cro, A 2CH2CI2 B (i) 2Benzene AICI3
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Q: each case below select the synthetic procedure/s that could be used to carry out the transformation,…
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Q: Like other electrophiles, carbocations add to alkenes to form new carbocations, which can then…
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- 2. Complete the following reactions of alkenes by drawing the structures of the major products. Include stereochemistry where relevant. 1) ВН, ТHF 2) Н,О2, ОН1) Predict the product(s) of the following alkene addition reactions. Be sure to show stereochemistry where applicable and draw out all stereoisomers formed in the reaction. HNO3 H2SO4 Br2 FeBr3 sO3 CI, AICI3 H2SO,МЕСНANISMS 1,2-epoxy-1-methylcyclopentane undergoes both acid-catalyzed and base-catalyzed opening of the epoxide ring to form two different products. > Using ethanol as the solvent and an appropriate acid, show the steps in the acid catalyzed mechanism, writing structures for all products of the steps. Circle the major product(s). > Using ethanol as the solvent and an appropriate base, show the steps in the base- catalyzed mechanism, writing structures for all products of the steps. Circle the major product(s). 1,2-epoxy-1-methylcyclopentane CH3
- 10) Synthesis: Make the following products from a suitable cyclic alkene starting material. Look at the functional group PATTERN present in the molecule, including stereochemistry. Br CH3 Br CH3Two substitution products result from the reaction between 3-chloro-3-methyl-1- butene with sodium acetate (CH3COO – Na +) in acetic acid under SN1. Identify the products.Elimination of HBr from 2-bromobutane affords a mixture of but-1-ene and but-2-ene. With sodium ethoxide as base, but2-ene constitutes 81% of the alkene products, but with potassium tert-butoxide, but-2-ene constitutes only 67% of the alkene products. Offer an explanation for this difference.
- Draw the alkene structure that produced the following compounds in a ozonolysis reaction as specified. 1. O3 2. (CH3)2S You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. In cases where there is more than one answer, just draw one.Select the reagent that you would use to convert an alkene to a Markovnikov (more substituted) alcohol without possibility of carbocation rearrangement. o H2SO4, H2O OBH3-THF, then H2O2, H2O, NaOH Hg(OAc)2, H2O, then NaBH4 o OsO4, TBHP, H2OYou are required to synthesize 2-bromopentane from the reaction between an alkene with HBr. Which alkene, 1-pentene or 2-pentene, should you react with HBr in order to get 2-bromopentane? Give an explanation.
- [Review Topics] [References] An alkene having the molecular formula C6H10 is treated sequentially with ozone (03) and zinc/acetic acid to give the product/s shown. CH3CCH,CH,CH2CH Draw a structural formula for the alkene. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. P. aste Ado ChemDoodle Previous Next3) Draw the structures of the major organic product(s) for the following reactions. HI in CH₂Cl₂ 3 excess Cl₂ in H₂O H₂SO4 in H₂O (Two products) Br-Cl in THF 1) BH3 2) alkaline H₂O₂ OSO4 + HOOHAlkynes do not react directly with aqueous acid as do alkenes, but will do so in the presence of mercury(II) sulfate as a Lewis acid catalyst. The reaction occurs with Markovnikov regiochemistry, so the OH group adds to the more highly substituted carbon and the H adds to the less highly substituted carbon. The initial product of the reaction is a vinyl alcohol, also called an enol. The enol immediately rearranges to a more stable ketone via tautomerization. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions -X티 Hö: H-O -CH3 -CH3 H30*