Concept explainers
Interpretation:
Given that in preparing the prepolymer used to make epoxy resins, a bisphenol reacts with epichlorohydrin in the presence of a base. The product formed when two moles of phenol react with epichlorohydrin is to be given. And the mechanism of its formation also is to be given.
Concept introduction:
In Williomson synthesis, phenoxide ions react with alkyl or aryl halides to yield ethers. The phenoxide ion can be produced by treating the phenol with a base.
To give:
The product formed and the mechanism of its formation when two moles of phenol react with epichlorohydrin.
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Chapter 18 Solutions
ORGANIC CHEMISTRY-EBOOK>I<
- Claisen condensation between diethyl phthalate and ethyl acetate followed by saponification, acidification, and decarboxylation forms a diketone, C9H6O2. Propose structural formulas for compounds A and B and the diketone.arrow_forwardEpoxy adhesives are prepared in two steps. SN2 reaction of the disodium salt of bisphenol A with epichlorohydrin forms a prepolymer, which is then cured by treatment with a triamine such as H2NCH2CH2NHCH2CH2NH2. Draw structures to show how addition of the triamine results in a strengthening of the polymer.arrow_forwardEthylene oxide is the starting material for the synthesis of 1,4-dioxane. Propose a mechanism for each step in this synthesis.arrow_forward
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- Propose a synthesis for 3,5-dichloro-2-methoxybenzoic acid starting from phenol.arrow_forwardDescribe how 3-methyl-1-phenyl-3-pentanol can be prepared from benzene. You can use any inorganic reagents and solvents, and any organic reagents provided they contain no more than two carbons.arrow_forwardHow would you perform an experiment to produce cyclohexanol from cyclohexene? Describe in detail the reagents and glassware you would use including approximate amounts and concentrations of reagents. What steps would be needed to purify the cyclohexanol from the other reagents used in the reaction?arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning
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