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DOI: 10.1055/sos-SD-027-00002

Aggarwal, V.; Richardson, J.Science of Synthesis, (20042764.

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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