Ruthenium-Catalyzed C(sp2)-H Activation Using Pyridine and Imidazopyridine as Directing Groups for Selective Silylation.
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DOI: 10.1021/acs.orglett.5c03934
Abstract: Ruthenium-catalyzed C(sp2)-H activation using pyridine and imidazopyridine directing groups enables direct ortho-silylation of 2-arylimidazoheterocycles with hydrosilanes as silylation reagents. This method achieves regioselective C(sp2)-H silylation without the need for preactivation, affording ortho-silylated arylimidazo[1,2-a]pyridines in high… read more here.
Keywords: using pyridine; catalyzed sp2; ruthenium catalyzed; sp2 activation ... See more keywords
Palladium-Catalyzed Remote meta-C-H Bond Deuteration of Arenes Using a Pyridine Template.
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DOI: 10.1021/acs.orglett.9b01784
Abstract: Palladium-catalyzed meta-selective C-H deuteration of a series of substrates, including phenylacetic acids, hydrocinnamic acid, benzylphosphonate, benzylsulfonate, and benzyl and phenyl ethyl alcohol ester, is developed by using a pyridine-based directing template. The template is installed… read more here.
Keywords: using pyridine; deuteration; template; catalyzed remote ... See more keywords
Recycling of Epoxy/Fiberglass Composite Using Pyridine
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DOI: 10.3390/polym17111513
Abstract: This study presents a new approach to chemical processing using pyridine-based solvolysis to produce high-quality glass fiber from epoxy composites. Pyridine was chosen due to its solubility parameter, which precisely matches the parameters calculated for… read more here.
Keywords: recycling epoxy; using pyridine; tensile strength; epoxy fiberglass ... See more keywords