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- When alkyne A is treated with NaNH2 followed by CH3I, a product having molecular formula C6H10O is formed, but it is not compound B. What is the structure of the product, and why is it formed?6) 25pts. Draw the structure of the major alkene product (or products) formed by treatment of each of the following haloalkanes with sodium ethoxide in ethanol. Assume the mechanism is E2 elimination. t-BuO K t-BUOH Br CH3 Eto Na F ETOH CH2CH3 CI H- Eto Na -CH2CH3 ELOH H- ČH3 Br Eto Na ELOH CH3 CI, H Eto Na CH2CH3 H3C H D ELOHWhen 2-pentene is treated with Cl2 in methanol, three products are formed. Account for the formation of each product (you need not explain their relative percentages).
- What reaction conditions are needed to convert (R)-2-ethyl-2-methyloxirane to (S)-2- methylbutane-1,2-diol ?CCH H20, H2SO4 H9SO4 CH3 Alkynes 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 Hjö: -CH3 -CH3 H3O*Acid-catalyzed hydration of 2-Methyl-1-butene yields two alcohols. The major product does not undergo oxidation, while the minor product will undergo oxidation. Explain why, by showing the structures of theproducts.
- An unknown alcohol with a molecular formula of C7H14O was oxidized to an aldehyde with HOCl. When an acidic solution of the alcohol was distilled,two alkenes were obtained. The alkene formed in greater yield was determined to be 1-methylcyclohexene. The other alkene formed the original unknown alcohol when treated with BH3/THF followed by H2O2, HO-, and H2O. Identify the unknown alcohol.Compound A is an alkyne that reacts with two equivalents of H2 in the presence of Pd to give 2,4,6-trimethyloctane. Draw the structure of compound A.An unknown alcohol with a molecular formula of C7H14O was oxidized to an aldehyde with HOCl. When an acidic solution of the alcohol was distilled, two alkenes were obtained. The alkene formed in greater yield was determined to be 1-methylcyclohexene. The other alkene formed the original unknown alcohol when treated with BH3/THF followed by H2O2, HO-, and H2O. Identify the unknown alcohol.
- C10T05Q3420 Give the major organic product for the following reaction. H H H catalytic heat if There is no reaction under these conditions or the correct product is not listed here.Predict the product: draw the structure(s) of the major organic product(s) formed in the following reactions. Indicate stereochemistry where appropriate.Reaction of 2-methylpropene with CH3OH in the presence of H2SO4 catalyst yieldsmethyl tert-butyl ether, CH3OC(CH3)3, by a mechanism analogous to that of acid- catalyzed alkene hydration. Write the mechanism, using curved arrows for each step.