One-pot construction of medium- and large-sized ring substituted furans. Efficient conversion to dibenzofurans, coumestans, and 4-pyrones |
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| Authors: | Lee Y R Suk J Y Kim B S |
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| Institution: | School of Chemical Engineering and Technology, College of Engineering, Yeungnam University, Kyongsan 712-749, Korea. yrlee@ynucc.yeungnam.ac.kr |
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| Abstract: | New efficient synthesis of medium- and large-sized ring substituted furans is achieved by 1,3-dicarbonyl compounds with vinyl sulfides in the presence of Ag(2)CO(3)/Celite (Fétizon's reagent) in a one-pot procedure. The synthesized furans can be further converted to biologically interesting compounds such as dibenzofurans, coumestans, benzofuroquinolinone, and 4-pyrone. |
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