Advances in Organic Synthesis

Volume 7



DOI: 10.2174/97816810815711170701
eISBN: 978-1-68108-157-1, 2017
ISBN: 978-1-68108-158-8
ISSN: 1574-0870 (Print)
ISSN: 2212-408X (Online)

Advances in Organic Synthesis is a book series devoted to the latest advances in synthetic approaches towards challen...[view complete introduction]
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Different Concepts of Catalysis in the Synthesis of Xanthenediones: A Brief Overview

- Pp. 199-227 (29)

Milene Lopes da Silva, Róbson Ricardo Teixeira and Giovanni Wilson Amarante


Xanthenediones, also known as 1,8-dioxo-octahydroxanthenes, are synthetic compounds characterized by the presence of a pyran nucleus fused to two cyclohexen- 2-one rings. They present important biological activities as well as possible technological applications. Typically, xanthenediones are derived from the sequence reaction: Knoevenagel condensation, Michael addition and dehydration. During the cyclization step involved in the preparation of xanthenodiones, the use of a catalyst is required. Within this context, a variety of catalysts has been employed for the synthesis of xanthenediones. It is herein described an overview of catalytic methodologies that have been reported to achieve the preparation of xanthenediones.

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