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Guillaume Barbe Guillaume Pelletier Miguel St-Onge Sébastien Vanier. Stereoselective Synthesis of Echinopines A and B. Lab B. Université de Montréal May 13 th 2008. Strategies for Ring Formation. Strategies for Ring Formation. Strategies for Ring Formation. Strategies for Ring Formation.
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Guillaume BarbeGuillaume PelletierMiguel St-OngeSébastien Vanier Stereoselective Synthesis of Echinopines A and B Lab B Université de Montréal May 13th 2008
Conclusion • 17 steps stereoselective synthesis • Features tandem metathesis and radical cyclization as key steps • Only one protecting group (acetal) • Late incorporation of cyclopropane (stability)