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2004
Sulfonamides
Q 0560
Oxidation-Resistant, Sterically Demanding Phenanthrolines as Supporting
for Copper(I) Nitrene Transfer Catalysts. — New 1,10-phenanthroline
47- 088 Ligands
ligands, substituted with heavily fluorinated aryl rings to confer steric bulk while
resisting oxidation, are prepared. With the C6F5-substituent, the ligand is small enough
to form a homoleptic Cu(I) complex. This complex catalyzes nitrene transfer to the C-H
bonds of electron-rich arene (I) leading to either of two major products (III) or (IV)
depending on the reaction stoichiometry. — (HAMILTON, C. W.; LAITAR, D. S.;
SADIGHI*, J. P.; Chem. Commun. (Cambridge) 2004, 14, 1628-1629; Dep. Chem.,
MIT, Cambridge, MA 02139, USA; Eng.) — M. Paetzel
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