State what alkene or alkyne (with only carbons and hydrogens) and what other reactants you should use to most effectively synthesize the following in the fewest number of steps and with the highest yield. H;C-CH,- C CH3
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.
For the synthesis of butanone ( 2- Butanone) , first of all we take ethyne molecule and reacts it with acid and mercuric sulphate, it gives acetaldehyde. When acetaldehyde treated with ethyl magnesium Bromide ( Grignard reagent) then an intermediate compound is formed which on acidic hydrolysis gives 2- butanol alcohol, this alcohol when oxidised by suitable oxidising agent (like potassium dichromate),it gives 2- Butanone ad final product.
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