Photoheterolysis of aryl halides substituted with electron-donating groups (EDGs) or aryl esters in 2,2,2-trifluoroethanol (TFE) leads to phenyl cations, which can add to alkynes. This reaction is an appealing metal-free alternative to the (sila)-Sonogashira reaction.
Photo-cross-coupling reaction of electron-rich aryl chlorides and aryl esters with alkynes: a metal-free alkynylation
PROTTI, STEFANO;FAGNONI, MAURIZIO;ALBINI, ANGELO
2005-01-01
Abstract
Photoheterolysis of aryl halides substituted with electron-donating groups (EDGs) or aryl esters in 2,2,2-trifluoroethanol (TFE) leads to phenyl cations, which can add to alkynes. This reaction is an appealing metal-free alternative to the (sila)-Sonogashira reaction.File in questo prodotto:
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