Diels-Alder additions of benzynes within helicene skeletons |
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| Authors: | Wang David Zhigang Katz Thomas J Golen James Rheingold Arnold L |
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| Institution: | Department of Chemistry, Columbia University, New York, New York 10027, USA. |
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| Abstract: | Although the contortions required are unprecedented, the benzynes formed by the fluoride-induced elimination of TMSOTf from o-trimethylsilyl 6]- and 7]-helicenol triflates add to another ring of the helicenes rather than to an external furan molecule. |
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