Add time:09/03/2019         Source:sciencedirect.com

Dehydroacetic acid undergoes several kinds of reactions. Of these, ring transformations are having much more importance in organic synthesis. Most of the compounds formed by ring transformations of DHA are five-membered rings. When we see the mechanism of these transformations, we can observe the opening of a pyran ring into 1,3-di-carbonyl compound as an intermediate and then transforming into five- or six-membered heterocyclics. In this chapter we will discuss the formation of different hetero cyclic compounds from DHA by ring transformation reactions.

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