Diastereoselective synthesis of spiro[chromane-3,3′-indolines] and spiro[chromane-3,2′-indenes] via DBU promoted formal [4 + 2]cycloaddition reaction
| Autor: | Wang, Daqian, Sun, Jing, Yan, Chao-Guo |
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| Zdroj: | In Green Synthesis and Catalysis February 2022 3(1):53-58 |
| Databáze: | ScienceDirect |
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