Efficient one-pot synthesis of biologically interesting diverse furo[2,3-b]pyran-6-ones by rhodium(II)-catalyzed cascade reactions of diazo compound with ethynyl compounds |
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| Authors: | Krishna Bahadur Somai Magar Yong Rok Lee Sung Hong Kim |
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| Institution: | 1. School of Chemical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea;2. Analysis Research Division, Daegu Center, Korea Basic Science Institute, Daegu 702-701, Republic of Korea |
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| Abstract: | Rhodium(II)-catalyzed reactions of diazo compound and a variety of ethynyl compounds were carried out. These reactions provide a rapid route for preparing a variety of furo2,3-b]pyran-6-one derivatives in one-pot via cascade reactions of metal carbenoid reaction/ketene formation/2+2]cycloaddition/ring expansion. |
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| Keywords: | Cascade reaction Diazo compound Ethynyl compounds Furo[2 3-b]pyran-6-ones Rhodium(II) catalyst |
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