SEARCH Articles Figures Tables Carbene insertion reactions, group 4 metal direction Direct metalation Direct metalation group Direct metallation Directed metalation functional groups Directed metalation group Directed metalation group Directed metalation group (DMG Directing Metalation Groups (DMGs) Directing groups Directing metalation group Metalation directing metalating group Metalation directing metalating group Metallation directed Metallation-directing group Transition Metals as Protecting, Activating, and Directing Groups