title: Lewis base assisted Brønsted base catalysis: bidentate phosphine oxides as activators and modulators of Brønsted basic lanthanum-aryloxides.
mesh_terms: D002384:Catalysis; D007811:Lanthanum / Q000737:chemistry*; D010087:Oxides / Q000737:chemistry*; D010720:Phosphines / Q000737:chemistry*
chemical_list: D010087:Oxides; D010720:Phosphines; D007811:Lanthanum