1. Acid-catalized rearrangement reactions of simple alcohols are quite common. Based on the mechanism shown in the background, can you predict the product and mechanisms for the reation of a strong acid and isopropyl alcohol? Answer: OH H* - H20 - H* CH3 CH CH CH3 CH CH CH3 CH, CH H2C C CH3 H. 2. Why is acetic acid a better acid catalyst than hydrogen chloride for this carbocation rearrangement?
Reactions of Ethers
Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.
Epoxides
Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.
Williamson Ether Synthesis
An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.
Answer
Acetic acid is a better acid catalyst than HCL because in HCL, Cl- ion behave as strong nucleophile and the nucleophile attack on the the substrate and nucleophilic substitution reaction take place as well as acid catalysed reaction
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