Eugenol-Derived Bipyridine Ligand Scaffolds: Design, Metal Coordination, and Catalytic Applications in Cyclic Carbonate Synthesis.

ABSTRACT: This work reports the synthesis of bis-(4-allyl-2-methoxyphenyl) [2,2'-bipyridine]-5,5'-dicarboxylate (bpyEu) (1) derived from the conjugation of 2,2'-5,5'-dicarboxylic acid with the natural product eugenol. This hybrid bis-eugenol ligand integrates π-conjugated bipyridine with a phenolic ether moiety. After successful multigram synthesis of this bipyridine ligand 1, its metalation was explored by reacting with M-(CO)₅X, where M = Mn, Re and X = Br, Cl, resulting in the formation of M-(bpyEu)-(CO)₃X, where M = Mn, X = Br (2); M = Re, X = Cl (3). The hybrid ligand (1) and its transition metal complexes 2 and 3 were thoroughly characterized by different spectroscopic techniques, such as NMR and Fourier transform infrared

SUBMITTER: Hassan M 

PROVIDER: S-EPMC12917642 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature