Removal, recovery, and recycling of triarylphosphonium-supported tin reagents for various organic transformations |
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| Authors: | Poupon Jean-Christophe Marcoux David Cloarec Jean-Manuel Charette André B |
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| Institution: | Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal (Québec), Canada H3C 3J7. |
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| Abstract: | Phosphonium-supported tin reagents and catalysts were prepared and were shown to be effective in Stille couplings, radical dehalogenations, radical cyclizations, and carbonyl allylations. Not only could the tin residues be removed from the crude reaction mixture through a phase separation process but also they could be recovered and recycled. |
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