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- Bromine reacts with alkenes in methanol according to the equation (see image 1). When this reaction was carried out with 4-tert-butylcyclohexene, only one isomer was formed with the molecular formula C12H23BrO (80% yield) a) Which of the following is the structure more reasonable for this compound? (see image 2) b) Explain your reasoning through a corresponding mechanismFor each reaction, give the expected substitution product and predict whether the mechanism will be first order (SN1) or second order (SN2): a) 2-chloro-2-methylbutane + CH3COOH b) isobutyl bromide + NaOMe c) 1-iodo-1-methylcyclohexane + CH3CH2OHORGANIC CHEMISTRY - PERICYCLIC REACTIONS Indicate the products, no need to design the mechanisms.
- Acid-catalyzed water removal reaction of neopentyl alcohol, (CH3) 3CCH2OH, produces 2-methyl-2-butene as the main product. Design a mechanism that shows all the steps in the formation of this product.For each reaction, give the expected substitution product and predict whether the mechanism will be first order (SN1) or second order (SN2): a) 2-chloro-2-methylbutane + CH3COOH b) isobutyl bromide + NaOMe c) 1-iodo-1-methylcyclohexane + CH3CH2OH Q3. 2-Bromopentane, when treated with alcoholic KOH yields a mixture of three alkenes A, B and C. Identify A, B and C. Which is predominant?Consider the following statement in reference to SN1, SN2, E1, and E2 reactions of haloalkanes. To which mechanism(s), if any, does the statement apply? Order of reactivity of haloalkanes is 3°> 2°> 1°.
- Below is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br + CH3COO- ⇌ CH3CH2CO2CH3 + Br- ΔH=-75 kJ/mol Rate = k [CH3CH2Br][CH3COO-] Which reaction energy profile would be the best representative of the data provided?Predict the products and mechanisms of the following reactions. When more than oneproduct or mechanism is possible, explain which are most likely. ) 1@bromo@1@methylcyclopentane + NaOEt in ethanolFill in necessary products reactants or reagants of these reactions. Please note the existence of enantionmers in some cases.
- Consider the following statement in reference to SN1, SN2, E1, and E2 reactions of haloalkanes. To which mechanism(s), if any, does the statement apply? Order of reactivity of haloalkanes is methyl . 1° > 2° > 3°.Trimethyllead hydride, (CH3)3PbH, can react with methyl bromide (CH3Br) in a homolytic dissociation reaction. What will the lead-containing product be? (CH3)2Pb PbBr2 (CH3)3PbBr Pb metalShow the mechanism of the reaction of drawing 1 mole of water from the 2,2,5-trimethyl-3-hexanol compound, indicating the reaction conditions, step by step. Indicate the main product and by-product. b) Does the main product show the geometric isomer? If it does not show the isomers, please indicate why it does not. c) Write the products formed when the. main product ozonlamp is reduced.