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27.1.3.1.6 Method 6: Desilylation of α-Silyl Sulfonium Salts

DOI: 10.1055/sos-SD-027-00002

Aggarwal, V.; Richardson, J.Science of Synthesis, (20042770.

Treatment of silyl-substituted sulfonium salts with fluoride sources such as cesium fluoride (typically in DME or DMF), or tetrabutylammonium fluoride (typically in THF) to give sulfonium ylides 131 is directly analogous to deprotonation of sulfonium salts (Scheme 69).[‌228‌] Sulfonium salts of types 130 and 132 are prepared in situ from the corresponding sulfide by alkylation, further improving the convenience of this approach.

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