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- In the presence of acid such as H2SO4, 3,4-dimethyl-1-pentene undergoes isomerization to 2,3-dimethyl-2-pentene (shown below). Write a complete mechanism, showing all steps and using curved arrows to explain this observation.Draw mechanism arrows and then predict the major products and stereochemistry. Also include the labels of thermodynamic and kinetic no stick structure don't understand 3,4-dimethylhex-3-ene with BH3. After reaction is complete, add H2O2, –OH, and H2OList the following carbocation intermediates in order from least stable to most stable. Explain why they were ranked this way.
- Draw mechanisms for the following reactions. Use curved arrows to show electron flow for each step and draw out all reactants to effectively show all arrow pushing. Write a written description of the mechanisms.Fill in necessary products reactants or reagants of these reactions. Please note the existence of enantionmers in some cases.what intermediate is formed in the reaction below?
- Give a detailed reaction mechanism for the reaction expected to occur when 2-bromo-2-methylpentane is heated with sodium methoxide. Draw clear structural formulas of all relevant species and use curved arrows to represent electron flow. Discuss the stability of the final compoundfor each of the following reactions. Give all the steps of the mechanism and use curved arrows to clearly indicate how the reaction is occuring. a. write the complete SN1 mechanism for the methanolysis (i.e. reaction with CH3OH) of the 2-chloro-2-methylpropane b. write the complete SN2 mechanism for the reaction of (R)-2-butanal with HBr c. Wrtie the complete E2 mechanism for the reaction of 2-bromo-2-methylbutane with CH3-/CH3OH.Draw a complete mechanism for the reaction of 1-methylcyclohexene with bromine in methanol shown below. This reaction is similar to halohydrin formation except that it is run in methanol (CH33OH) rather than water. A proper mechanism must include arrows showing electron “movement,” intermediate ions or species, and any proton transfers. You must also indicate the relative stereochemistry of the product using wedge/dash drawing.
- Explain the reaction mechanism of the reaction below? (Identify the type of reaction, the species (Nucleophile an electrophile) involve in the reaction after bond cleavage and the IUPAC name of the major product.With the stereochemistry of the starting material shown in Image 12, identify the stereochemistry of 2-butanol in the following reaction sequence.Cis-1-bromo-4-isopropylcyclohexane undergoes E2 elimination, with sodium hydroxide, 5000 times faster than does trans-1-bromo-4-isopropylcyclohexane. Fully explain this reactivity difference using mechanisms which clearly show the transition state. You should draw both of these isomers in the chair form.