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2,3-Dihydropyran is the organic compound with the formula C5H8O. This cyclic ether is used to protect alcohols in organic synthesis. Dihydropyran is prepared by the dehydration of tetrahydrofurfuryl alcohol over alumina at 300-400 °C.
Additional recommended knowledge
Dihydropyran reacts with alcohols to form tetrahydropyranyl ethers. These ethers resist a variety of reactions, and the THP group can be removed with aqueous acid.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "2,3-Dihydropyran". A list of authors is available in Wikipedia.|