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DOI:
10.1055/sos-SD-027-00002
Aggarwal, V.; Richardson, J., Science of Synthesis, (2004) 27, 64.
Sulfonium salts that cannot be deprotonated to give an ylide can, in certain cases, be transformed into ylides by a “ligand-exchange” process (Scheme 58). Hence, a sulfonium salt bearing a leaving group 107 can be converted into a sulfonium ylide 99 by a nucleophilic carbanion 108.
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