Abstract
In their structural multiplicity and in the extent to which they occur in nature the derivatives of benzofuran are significantly lesser than the isoelectronic analogue indoles. However, these heterocyclic compounds show a variety of pharmacological properties, and change of their structure offers a high degree of diversity that has proven useful for the search of new therapeutic agents. The broad spectrum of pharmacological activity in individual benzofurans indicates that this series of compounds is of an undoubted interest. From this point of view, synthetic methods may be of very useful aid in the production of specific structures characterized by given pharmacological qualities. Moreover from a drug discovery perspective, synthesis of chiral functionalized substituted benzofurans could be more interesting because they might constitute starting materials for the production of biologically active compounds. Taking into account the actual tendency directed toward the development of enantiomerically pure drugs, indeed there is a limited number of papers related to the preparation of enantiomers of benzofuran containing compounds, likely because of difficulties in their preparation with conventional methods. In this context, new approaches seem to expand the potentiality of the synthesis of substituted benzofurans, providing also convenient routes to enantiopure 2-substituted benzofurans.
Keywords: Heterocycles, benzofurans, synthesis, biological activity
Current Medicinal Chemistry
Title: Some Recent Approaches to the Synthesis of 2-Substituted Benzofurans
Volume: 16 Issue: 1
Author(s): Lidia De Luca, Giammario Nieddu, Andrea Porcheddu and Giampaolo Giacomelli
Affiliation:
Keywords: Heterocycles, benzofurans, synthesis, biological activity
Abstract: In their structural multiplicity and in the extent to which they occur in nature the derivatives of benzofuran are significantly lesser than the isoelectronic analogue indoles. However, these heterocyclic compounds show a variety of pharmacological properties, and change of their structure offers a high degree of diversity that has proven useful for the search of new therapeutic agents. The broad spectrum of pharmacological activity in individual benzofurans indicates that this series of compounds is of an undoubted interest. From this point of view, synthetic methods may be of very useful aid in the production of specific structures characterized by given pharmacological qualities. Moreover from a drug discovery perspective, synthesis of chiral functionalized substituted benzofurans could be more interesting because they might constitute starting materials for the production of biologically active compounds. Taking into account the actual tendency directed toward the development of enantiomerically pure drugs, indeed there is a limited number of papers related to the preparation of enantiomers of benzofuran containing compounds, likely because of difficulties in their preparation with conventional methods. In this context, new approaches seem to expand the potentiality of the synthesis of substituted benzofurans, providing also convenient routes to enantiopure 2-substituted benzofurans.
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Cite this article as:
De Luca Lidia, Nieddu Giammario, Porcheddu Andrea and Giacomelli Giampaolo, Some Recent Approaches to the Synthesis of 2-Substituted Benzofurans, Current Medicinal Chemistry 2009; 16 (1) . https://dx.doi.org/10.2174/092986709787002826
DOI https://dx.doi.org/10.2174/092986709787002826 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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