Publications by authors named "Mario Pajic"
Stable boroxine-amine adducts comprising dative B←N bond(s) were prepared by mechanochemically-induced reactions of phenylboronic acid (PBA) and amines (pyridine, DMAP, 1H-pyrazole, piperidine, DABCO, hexamethylenetetramine, or 4,4'-bipyridine). In-situ Raman monitoring, ex-situ PXRD and DFT calculations were used for product identification. Stoichiometry of the product (3 : 1, 3 : 2 or 6 : 1 adduct) was controlled by the amine structure and the molar ratio of the reactants.
View Article and Find Full Text PDFMechanochemical halogenation of unsymmetrically substituted azobenzenes.
Beilstein J Org Chem
June 2022
Article Synopsis
- - The study explores the halogenation of C-H bonds in azobenzenes using -halosuccinimides as the halogen source, executed through mechanochemical methods like grinding, both neat and with liquids.
- - Halogenation efficiency varies with different azobenzene structures and can occur without or with palladium (Pd) catalysts, showcasing the selective nature of the process.
- - The research employs advanced techniques like in situ Raman and ex situ NMR spectroscopy, along with PXRD analysis, to understand reaction dynamics and product characterization, revealing that substituents significantly affect halogenation time and mechanism.