Synthesis of 2,3,3a,9a‐Tetrahydro‐1H‐cyclopenta[b]quinoxaline‐1,3,4,9‐tetracarboxylate by Cyclization of 1,5‐Bis[(trimethylsilyl)oxy]penta‐1,4‐dienes with Quinoxalines |
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| Authors: | Sven Rotzoll Holger Feist Jörg‐Peter Gütlein Dirk Michalik Nazken K. Kelzhanova Zharylkasyn A. Abilov Alexander Villinger Peter Langer |
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| Affiliation: | 1. Institut für Chemie, Universit?t Rostock, Albert‐Einstein‐Stra?e 3a, D‐18059 Rostock, (fax: +49‐381‐4986412);2. Leibniz‐Institut für Katalyse an der Universit?t Rostock e.V., Albert‐Einstein‐Stra?e 29a, D‐18059 Rostock;3. Al‐Farabi Kazakh National University, Al‐Farabi ave. 71, 050040 Almaty, Kazakhstan |
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| Abstract: | The cyclization of 1,5‐bis[(trimethylsilyl)oxy]penta‐1,4‐dienes with quinoxalines and chloroformates afforded 2,3,3a,9a‐tetrahydro‐1H‐cyclopenta[b]quinoxaline‐1,3,4,9‐tetracarboxylate. |
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| Keywords: | Silyl enol ethers Penta‐1,4‐dienes, 1,5‐bis[(trimethylsilyl)oxy]‐ Quinoxalines Formates, chloro‐ Iminium salts |
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