@article{Graf2016, author = "Claus-Dieter Graf and Christophe Malan and Klaus Harms and Paul Knochel", title = "{New Homochiral Ligands Bearing Nonstereogenic Chirotopic Centers. Lithiated N,N‘-Dialkylureas as Chiral Bases and Sterically Crowded Phosphines for Asymmetric Catalysis}", year = "2016", month = "8", url = "https://acs.figshare.com/articles/journal_contribution/New_Homochiral_Ligands_Bearing_Nonstereogenic_Chirotopic_Centers_Lithiated_i_N_i_i_N_i_i_i_-Dialkylureas_as_Chiral_Bases_and_Sterically_Crowded_Phosphines_for_Asymmetric_Catalysis/3718164", doi = "10.1021/jo990412u.s001" }