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Cascade Carbopalladation Reaction between Alkynes and gem-Dibromoolefins: Facile Access to Monoannelated Pentalenes |
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| Authors: | Pablo Rivera-Fuentes Margarete von Wantoch Rekowski W Bernd Schweizer Jean-Paul Gisselbrecht Corinne Boudon François Diederich |
| Affiliation: | Laboratorium für Organische Chemie, ETH Zürich , H?nggerberg, HCI, 8093 Zürich, Switzerland, and Laboratoire d'Electrochimie et de Chimie Physique du Corps Solide, Institut de Chimie-UMR 7177, C.N.R.S., Universitè de Strasbourg , 4 rue Blaise Pascal, 67081 Strasbourg Cedex, France. |
| Abstract: | A carbopalladation cascade reaction of easily accessible gem-dibromoolefins and alkynes furnishes monobenzo- and mononaphthopentalenes. The new chromophores accessed by this short route exhibit small HOMO-LUMO gaps and redox amphoteric behavior with tunable redox potentials. |
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