Abstract
Silylene-tethered Sonogashira cross-coupling enables the synthesis of partially fluorinated phenylene–ethynylene (PFPE) oligomers on Ag(111), as reported by Akihiro Orita, Shigeki Kawai, and co-workers in their Communication on page 19598. The desilylative Sonogashira reaction achieved a high chemoselectivity of up to 75 % while the competing Ullmann homocoupling and desilylative Glaser coupling were suppressed.
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