Multi-functional d10 metal–organic materials based on bis-pyrazole/pyridine ligands supported by a 2,6-di(3-pyrazolyl)pyridine with different spanning flexible dicarboxylate ligands: synthesis, structure, photoluminescent and catalytic properties

Abstract

Multi-functional d 10 metal-organic materials based on bis-pyrazole/pyridine ligands supported by a 2,6-di(3-pyrazolyl)pyridine with different spanning flexible dicarboxylate ligands: synthesis, structure, photoluminescent and catalytic properties †

New Bis-Pyrazole-Bis-Acetate Based Coordination Complexes: Influence of Counter-Anions and Metal Ions on the Supramolecular Structures

“…Four units of the ligand complete one helical turn with a helical pitch of 21.5Å. Interestingly, lattice included ethanol molecules were located along the 21 1b). In the crystal structure, P-helix was additionally stabilised by the adjacent helices with the support of various Van der Waals interactions (Figure 1c-e).…”

“…(1) The ligand L is an N-heterocyclic tridentate pyrazolyl pyridine compound capable of forming various coordination modes, and ligating topology with transition metal ions [21]. (2) This type of pyridine ligand having pyrazolyl groups at the second and sixth position, possesses a wide range of interesting chemical and/or physical properties, such as catalytic [22,23], electrochemical [24], magnetic and photophysical properties [25].…”

Bis(2,6-pyrazolyl)pyridines as a New Scaffold for Coordination Polymers

“…For this reason, one of the most studied family of SCO compounds-the (pseudo)octahedral complexes of 2,6-bis(pyrazol-1-yl)pyridines (1-bpp) [17]-never appeared as a ligand with a retained core N 3 (L)MN 3 (L) in a CP or MOF (L = 1-bpp), and neither did the complexes with similar tridentate N-donor ligands, such as isomeric 2,6-bis(pyrazol-3-yl)pyridines (3-bpp) and terpyridines (tpy). These N-donor ligands are, however, known to produce 1D-, 2D-and 3D-CPs of transition metals [27][28][29][30][31][32][33][34][35][36][37] or lanthanides [34,38] with MN 3 (L)X n (n = 1, 2, 4, 6; X = additional coordination site of the tridentate ligand L, another ligand or solvent) coordination modes (Scheme 2) for catalysis [33], photovoltaics [32], catalysis [39] and other…”

Various structures of complexes fabricated using transition metals and triazole ligands and their inhibition effects on xanthine luminescence

“…1 The simultaneous presence of a Lewis basic donor and a Lewis acid, and the versatility of N-heterocyclic ligands mean that triazole linkers are capable of forming a large number of hydrogen bonds. 2 This feature has been exploited for the preparation of molecular and supramolecular species with a variety of applications in ion exchange, gas storage, separation, catalysis, and signalling systems for other toxic guests. Additionally, triazoles display a wide spectrum of biological activity 3 such as antiviral, agonist, antibacterial and anti-HIV activity, etc.…”