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 |
| |
| Authors: | Sven Rotzoll Holger Feist Jörg‐Peter Gütlein Dirk Michalik Nazken K Kelzhanova Zharylkasyn A Abilov Alexander Villinger Peter Langer |
| |
| Institution: | 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 |
| |
| Abstract: | The cyclization of 1,5‐bis(trimethylsilyl)oxy]penta‐1,4‐dienes with quinoxalines and chloroformates afforded 2,3,3a,9a‐tetrahydro‐1H‐cyclopentab]quinoxaline‐1,3,4,9‐tetracarboxylate. |
| |
| Keywords: | Silyl enol ethers Penta‐1 4‐dienes 1 5‐bis[(trimethylsilyl)oxy]‐ Quinoxalines Formates chloro‐ Iminium salts |
|
|
