Rasta resin-PPh3 and its use in chromatography-free Wittig reactions
PSW Leung, Y Teng, PH Toy
Index: Leung, Peter Shu-Wai; Teng, Yan; Toy, Patrick H. Synlett, 2010 , # 13 p. 1997 - 2001
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Citation Number: 11
Abstract
Abstract Rasta resin-PPh 3, a new heterogeneous polystyrene-based phosphine, has been synthesized and used in one-pot Wittig olefination reactions of aldehydes. In these reactions an excess of rasta resin-PPh 3 was used for the in situ generation of the phosphorane reactant and allowed for isolation of a high yield of very pure alkene product after only filtration and solvent removal. The excellent results obtained in this study are attributed to ...
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