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An annulation toward fused bicyclolactones |
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| Authors: | Nguyen Rene-Viet Li Chao-Jun |
| Affiliation: | Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 2K6, Canada. |
| Abstract: | The combination of Lewis and Bronsted acids catalyzed the addition of beta-ketoesters to cyclic diene. Lactonization occurs in situ to afford fused bicyclic lactones directly. The catalysis provides an expedient route to bicylic lactones via a zip-process. |
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