Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Chapter 6, Problem 29P
If the temperature is not kept below
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When equivalent amounts of methyl bromide and sodium iodide are dissolved in methanol, the concentration of iodide ion quickly decreases and then slowly returns to its original concentration. Account for this observation.
In the reaction of trans-cinnamaldehyde under the conditions of 2-propanol and gamma-Al2O3, the product yielded is cinnamyl alcohol.
When the reaction was first performed the GC and IR showed signals of the formation of a carbocation-like intermediate on the phenyl ring. The 2-propanol used contained high amounts of HCl. How does the high amount of HCl in 2-propanol affect gamma-Al2O? Also, show the intermediate that was formed?
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Chapter 6 Solutions
Organic Chemistry - Standalone book
Ch. 6.1 - Prob. 1PCh. 6.2 - 1-Bromo-3-chloropropane reacts with one molar...Ch. 6.3 - Prob. 3PCh. 6.3 - The Fischer projection for (+)-2-bromooctane is...Ch. 6.3 - Would you expect the 2-octanol formed by SN2...Ch. 6.3 - Prob. 6PCh. 6.4 - Prob. 7PCh. 6.4 - The first step in the synthesis of the...Ch. 6.6 - Prob. 9PCh. 6.6 - Prob. 10P
Ch. 6.7 - Prob. 11PCh. 6.8 - Prob. 12PCh. 6.9 - Diethyl ether (CH3CH2OCH2CH3) has a dielectric...Ch. 6.9 - Unlike protic solvent which solvate from complexes...Ch. 6.10 - Prob. 15PCh. 6.10 - Prob. 16PCh. 6.10 - The hydrolysis of sulfonate of 2-octanol is...Ch. 6.11 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Both of the following reactions involve...Ch. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - Sodium nitrite (NaNO2) reacted with 2-iodooctane...Ch. 6 - Prob. 25PCh. 6 - Prob. 26PCh. 6 - Prob. 27PCh. 6 - The reaction of 2,2-dimethyl-1-propanol with HBr...Ch. 6 - If the temperature is not kept below 25oC during...Ch. 6 - The reaction of cyclopentyl bromide with sodium...Ch. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Write an equation, clearly showing the...Ch. 6 - Prob. 34PCh. 6 - Based on what we know about nucleophiles and...Ch. 6 - Prob. 36PCh. 6 - Prob. 37PCh. 6 - Prob. 38PCh. 6 - Prob. 39PCh. 6 - Prob. 40PCh. 6 - Prob. 41DSPCh. 6 - Prob. 42DSPCh. 6 - Prob. 43DSPCh. 6 - Prob. 44DSPCh. 6 - Prob. 45DSPCh. 6 - Prob. 46DSP
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- When warmed in dilute sulfuric acid, 1-phenyl-1,2-propanediol undergoes dehydration and rearrangement to give 2-phenylpropanal. (a) Propose a mechanism for this example of a pinacol rearrangement (Section 10.7). (b) Account for the fact that 2-phenylpropanal is formed rather than its constitutional isomer, 1-phenyl-1-propanone.arrow_forwardWhen a primary alcohol is treated with p-toluenesulfonyl chloride at room temperature in the presence of an organic base such as pyridine, a tosylate is formed. When the same reaction is carried out at higher temperature, an alkyl chloride is often formed. Explain.arrow_forwardWittig reactions with the following -chloroethers can be used for the synthesis of aldehydes and ketones. (a) Draw the structure of the triphenylphosphonium salt and Wittig reagent formed from each chloroether. (b) Draw the structural formula of the product formed by treating each Wittig reagent with cyclopentanone. Note that the functional group is an enol ether or, alternatively, a vinyl ether. (c) Draw the structural formula of the product formed on acid-catalyzed hydrolysis of each enol ether from part (b).arrow_forward
- -Hydroxyketones and -hydroxyaldehydes are also oxidized by treatment with periodic acid. It is not the -hydroxyketone or aldehyde, however, that undergoes reaction with periodic acid, but the hydrate formed by addition of water to the carbonyl group of the -hydroxyketone or aldehyde. Write a mechanism for the oxidation of this -hydroxyaldehyde by HIO4.arrow_forwardEnamines normally react with methyl iodide to give two products: one arising from alkylation at nitrogen and the second arising from alkylation at carbon. For example, Heating the mixture of C-alkylation and N-alkylation products gives only the product from C-alkylation. Propose a mechanism for this isomerization.arrow_forwardThe following substances can be prepared by a nucleophilic addition reaction between an aldehyde or ketoneand a nucleophile. Identify the reactants from which they were prepared. If the substance is an acetal, identifythe carbonyl compound and the alcohol; if it is an imine or enamine, identify the carbonyl compound and theamine. You do not have to consider stereochemistry. In cases where there is more than one answer, just giveone. Use Grignard reagents when an organometallic reagent is required. Draw the Grignard reagent as acovalent magnesium bromide.arrow_forward
- a) Cycohexanone reacts with 1,3-propanediol under acid catalysis to form the cyclic acetal. Write down the reaction mechanism and explain why the use of cyclic acetals as protecting groups is preferred over open- chain acetals. b) Eugenol (see below) is made from cloves. Give the structural formulas of the products which are formed after reaction of eugenol with i) BH3, then H2O2 / NaOH or after reaction with ii) acetic anhydride. OH Eugenolarrow_forwardSuggest a reasonable series of reagents and reactions conditions to prepare cis-2-methylcyclohexly acetate (A) from trans-2-methylcyclohexanol.arrow_forwardWrite the mechanisms for the following reactions bellow, justifying each substitution position.arrow_forward
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