Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution

Full Title

Additional information regarding catalytic systems classified in B01J31/00 > Compositional aspects of complexes used, e.g. polynuclearity > Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P > Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution

Child Classifications

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• B01J 2531/0244 Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds
• B01J 2531/0247 Tripodal ligands, e.g. comprising the tris(pyrazolyl)borate skeleton, "tpz", neutral analogues thereof by CH/BH exchange or anionic analogues of the latter by exchange of one of the pyrazolyl groups for an anionic complexing group such as carboxylate or -R-Cp
• B01J 2531/025 Ligands with a porphyrin ring system or analogues thereof, e.g. phthalocyanines, corroles
• B01J 2531/0252 Salen ligands or analogues, e.g. derived from ethylenediamine and salicylaldehyde
• B01J 2531/0255 Ligands comprising the N2S2 or N2P2 donor atom set, e.g. diiminodithiolates or diiminodiphosphines with complete pi-conjugation between all donor centres