Dehydrogenative homocoupling of tetrafluorobenzene on Pd(111) via para-selective C–H activation?

Chemical Communications Pub Date: 2017-05-19 DOI: 10.1039/C7CC01476G

Abstract

Aryl homocoupling reactions via meta- and ortho-selective C–H activation have been achieved on surfaces, but the highly important para-selective C–H activation has not been reported yet. Combined with scanning tunneling microscopy, time-of-flight secondary ion mass spectrometry and density functional theory, here we describe dehydrogenative homocoupling of tetrafluorobenzene on Pd(111) via para-selective C–H activation to form perfluorinated oligo(p-phenylene)s.

Graphical abstract: Dehydrogenative homocoupling of tetrafluorobenzene on Pd(111) via para-selective C–H activation
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