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A tris(3‐pyridyl)stannane as a building block for heterobimetallic coordination polymers and supramolecular cages

DOI: 10.1002/chem.201903498 DOI Help

Authors: Dominic Wright (Cambridge University) , Eric Yang (Cambridge University) , Alex J. Plajer (Cambridge University) , Álvaro García-romero (Universidad de Valladolid) , Andrew D. Bond (Cambridge University) , Tanya Ronson (Cambridge University) , Celedonio M. Álvarez (Universidad de Valladolid) , Raúl García-rodríguez (Universidad de Valladolid) , Annie L. Colebatch (Cambridge University; Australian National University)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemistry – A European Journal

State: Published (Approved)
Published: August 2019
Diamond Proposal Number(s): 15768

Abstract: The systematic assembly of supramolecular arrangements is a persistent challenge in modern coordination chemistry, especially where further aspects of complexity are concerned, as in the case of large molecular mixed‐metal arrangements. One targeted approach to such heterometallic complexes is to engineer metal‐based donor ligands of the correct geometry to build 3‐D arrangements upon coordination to other metals. This simple idea has, however, only rarely been applied to main group metal‐based ligand systems. Here we show that the new, bench‐stable tris(3‐pyridyl)stannane ligand PhSn(3‐Py)3 (3‐Py = 3‐pyridyl) provides simple access to a range of heterometallic Sn(IV)/transition metal complexes, and that the presence of weakly coordinating counteranions can be used to build discrete molecular arrangements involving anion encapsulation. This work therefore provides a building strategy in this area, which parallels that of supramolecular transition metal chemistry.

Journal Keywords: tris(pyridyl) ligand; tin(IV); supramolecular; coordination polymer; anion encapsulation

Subject Areas: Chemistry


Instruments: I19-Small Molecule Single Crystal Diffraction