Efficient cyclopropanation of [60]fullerene starting from bromo-substituted active methylene compounds without using a basic catalyst |
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| Authors: | Bo Jin Juan Shen Rufang Peng Rongzong Zheng Shijin Chu |
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| Institution: | 1. State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang 621010, China;2. Department of Chemistry, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China |
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| Abstract: | Methanofullerene was synthesized via cyclopropanation of 60]fullerene with bromo-substituted active methylene compounds in the presence of amino acid and dimethyl sulfoxide without the use of a basic catalyst. This synthesis is a variation of the Bingel reaction that can be used for base-sensitive substrates. This method allows the cyclopropanation of 60]fullerene with various bromomalonates and bromoacetoacetates at room temperature. |
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| Keywords: | Methanofullerene Cyclopropanation Bromomalonate Bromoacetoacetate Cycloaddition |
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