The directing effect of a substituent attached to an aromatic ring is predicted from its ability to donate or accept electrons from the aromatic ring through resonance. There are two kinds of directing substituents: (1) ortho-and para-director and (2) meta-director. ...
Mizuhara T,Inuki S,Oishi S,Fujii N,Ohno H.Cu (Ⅱ)-mediated oxidative intermolecular ortho C-H functionalization using tetrahydropyrimidine as the directing group. Chemical Communications . 2009Tsukasa, M.; Shinsuke, I.; Shinya, O.; Nobutaka, F.; Hiroaki, O. Cu(II)-mediated oxidative ...