A Two-Dimensional Coordination Polymer Formed from Cobalt(II) and an Extended Dipyridyl Ligand

Autor:	Hydar A. AL-Fayaad, Kasun S. Athukorala Arachchige, Rashid G. Siddique, Jack K. Clegg
Rok vydání:	2020
Předmět:	Crystallography chemistry.chemical_compound chemistry Suzuki reaction Coordination polymer Ligand Pyridine Supramolecular chemistry chemistry.chemical_element General Chemistry Crystal structure Cobalt Palladium
Zdroj:	Australian Journal of Chemistry. 73:547
ISSN:	0004-9425
DOI:	10.1071/ch19468
Popis:	The synthesis of the extended dipyridyl ligand 4,4′-(2,5-dimethyl-1,4-phenylene)dipyridine (L) in an improved yield via the palladium catalysed Suzuki coupling of 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (1) and 1,4-dibromo-2,5-dimethylbenzene (2) is reported along with its use to form a two-dimensional coordination polymer [Co2L2(OAc)4(H2O)2]n. The coordination polymer consists of one-dimensional chains of octahedral cobalt ions bridged by acetate ligands which are connected to form two dimensional sheets with square lattice (sql) topology via the dipyridyl ligands (L). The structure contains small voids totalling ~6.6% of the unit cell volume. The crystal structures 1, L, L·2H2O, and L·2HNO3 are also reported.
Databáze:	OpenAIRE
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