Naslov
Mehanokemijska sinteza organopaladijevih spojeva izmjenom anionskih liganada u jednom koraku
(One-step Mechanocynthesis of organopalladium Compounds Via Anion Replacement)

Autori
Bjelopetrović, Alen ; Babić, Darko ; Juribašić Kulcsar, Marina ; Ćurić, Manda

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
26. Hrvatski sastanak kemičara i kemijskih inženjera, Šibenik, 2019. / - Zagreb : Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2019, 60-60

ISBN
978-953-6894-67-3

Skup
26. hrvatski skup kemičara i kemijskih inženjera (26HSKIKI) ; 4. simpozij Vladimir Prelog

Mjesto i datum
Šibenik, Hrvatska, 09.04.2019. - 12.04.2019

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
paladij ; organometali ; izmjena liganada ; mehanokemija
(organopalladium compounds ; anion replacement ; mechanochemistry)

Sažetak
Cyclopalladated complexes or palladacycles are successfully applied in organic synthesis and catalysis, as well as in many areas of material science and biological chemistry. The synthesis of palladacycles usually relies on solvent-based protocol which may require elevated temperatures and toxic solvents, and are often time-consuming. Recently, we have employed ball-milling methods for the synthesis of a series of mono- and/or dicyclopalladated azobenzenes via C–H bond activation, known as cyclopalladation, using common Pd(II) precursors. The desired products were obtained in high yields and in shorter reaction time than in the solution. Herein we describe the one-step mechanosynthesis of palladacycles by substitution of anionic ligands in the ball mill solvent-free conditions. The mutual exchange of chloride, acetate, tetrafluoroborate and acetylacetonate ligands in mono- and/or dicyclopalladated azobenzenes yielded desired products, some of which were inaccessible via direct C-H bond activation with Pd(II) precursors. The products were obtained in high yields with shorter reaction times than those under a solvent-based protocol. The starting compounds and products were characterised in the solid state by using PXRD, Raman and IR spectroscopies, and by 1H- NMR spectroscopy in solution.

Izvorni jezik
Engleski

Znanstvena područja
Kemija

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