Copper(II)–acid catalyzed cyclopropanation of 1,3-dienamides by electrophilic activation of α-aryl diazoesters |
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| Authors: | Eiji Tayama Kouki HorikawaHajime Iwamoto Eietsu Hasegawa |
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| Institution: | Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan |
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| Abstract: | Copper(II)–acid catalyzed cyclopropanation of electron-rich alkenes, such as 1,3-dienamides, with α-aryl diazoesters are described. The reaction could be performed without rare metal catalysts, excess substrate, or the need for the slow addition of the diazoesters. |
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| Keywords: | Cycloaddition Diazo compound Alkene Diastereoselectivity Regioselectivity |
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