Alkyne
is an -OR group, an alkyl (or aryl) groupatttached to an oxygen atom.
Alkynes are organic compounds that contain a triple bond between two carbon atoms. They have the general formula CnH2n-2, where n is the number of carbon atoms in the molecule.
Alkynes exhibit similar reactivity to alkenes but with some notable differences. Unlike alkenes, which can undergo addition reactions, alkynes can undergo both addition and substitution reactions.
One important reaction of alkynes is the addition of hydrogen, which takes place in the presence of a catalyst, usually palladium or platinum. This is known as hydrogenation and converts the triple bond to a double bond, resulting in an alkene.
Another important reaction of alkynes is the addition of halogens such as chlorine or bromine, which results in the formation of vicinal dihalides. This reaction occurs in the presence of a solvent such as water or an alcohol.
Alkynes can also undergo nucleophilic addition reaction with strong bases such as hydroxide ions or alkoxides. This reaction results in the formation of alkynide ions, which can be used in further synthetic reactions.
Overall, alkynes are important building blocks in organic synthesis and have a wide range of industrial and academic applications.
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