Dirhodium (II) tetrakis [N-tetrafluorophthaloyl-(S)-tert-leucinate]: an exceptionally effective Rh (II) catalyst for enantiotopically selective aromatic C–H insertions of diazo …
... Tetrahedron: Asymmetry. Volume 14, Issue 7, 4 April 2003, Pages 817–821. ... It was recently demonstrated that modifying ligands with electron-donating 13., , , and or electron-withdrawing 14., , , , and substituents at certain positions could greatly impact the rate and ...