User profiles for G. Tolnai

Gergely Tolnai

Eötvös Loránd University
Verified email at chem.elte.hu
Cited by 946

Diaryliodonium salts in organic syntheses: a useful compound class for novel arylation strategies

K Aradi, BL Tóth, GL Tolnai, Z Novák - Synlett, 2016 - thieme-connect.com
Tolnai obtained a degree in chemical engineering at Budapest University of Technology
and Economics in 2009. In the same year, he spent five months at Hovione Farmaciencia SA, …

C2-selective direct alkynylation of indoles

GL Tolnai, S Ganss, JP Brand, J Waser - Organic letters, 2013 - ACS Publications
Tolnai - Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and
… easily prepared in a two-step protocol from iodobenzoic acid in high yield on a 30 g scale: …

Efficient O‐functionalization of carbohydrates with electrophilic reagents

GL Tolnai, UJ Nilsson, B Olofsson - Angewandte Chemie, 2016 - Wiley Online Library
Novel methodology for O‐functionalization of carbohydrate derivatives has been
established using bench‐stable and easily prepared iodonium(III) reagents. Both electron‐withdrawing …

Dramatic Impact of ppb Levels of Palladium on the “Copper‐Catalyzed” Sonogashira Coupling

Z Gonda, GL Tolnai, Z Novák - Chemistry–A European Journal, 2010 - infona.pl
Palladacadabra! The effect of ppb levels of palladium on the “copper‐catalyzed” Sonogashira
coupling is reported. The observed high sensitivity to palladium impurities queries the …

[HTML][HTML] Efficient direct 2, 2, 2-trifluoroethylation of indoles via C–H functionalization

GL Tolnai, A Székely, Z Makó, T Gáti, J Daru… - Chemical …, 2015 - pubs.rsc.org
A novel highly C3 selective metal free trifluoroethylation of indoles using 2,2,2-trifuoroethyl(mesityl)-iodonium
triflate was developed. The methodology enables the introduction of a …

Revisiting the amine-catalysed cross-coupling

…, B Varga, B Nagy, Z May, J Daru, Z Gonda, GL Tolnai - Nature Catalysis, 2021 - nature.com
Very recently, it was demonstrated that special amine molecules are able to catalyse the
Suzuki–Miyaura coupling reaction. Here we show that in this recent transformation …

Preparation and characterization of surface-modified silica-nanoparticles

G Tolnai, F Csempesz, M Kabai-Faix, E Kálmán… - Langmuir, 2001 - ACS Publications
Stöber silica particles having diameters of ca. 100 and ca. 200 nm were prepared and
silylated using trimethylsilyl N,N-dimethylcarbamate, achieving a range of surface coverage by …

[HTML][HTML] Gold-catalyzed direct alkynylation of tryptophan in peptides using TIPS-EBX

GL Tolnai, JP Brand, J Waser - Beilstein journal of organic …, 2016 - beilstein-journals.org
The selective functionalization of peptides containing only natural amino acids is important
for the modification of biomolecules. In particular, the installation of an alkyne as a useful …

Gold-catalyzed direct alkynylation of azulenes

A Székely, Á Péter, K Aradi, GL Tolnai, Z Novák - Organic Letters, 2017 - ACS Publications
A novel catalytic method for the direct C–H alkynylation of azulenes is developed. The gold
catalyzed functionalization of this special carbacycle is achieved with hypervalent iodonium …

The effect of preparation conditions on magnetite nanoparticles obtained via chemical co-precipitation

…, E Kuzmann, Z Homonnay, G Tolnai - Materials Chemistry and …, 2019 - Elsevier
… were analyzed by assuming the nuclear gyromagnetic factors of g e = −0.103267 and g g
of A and g eff : an increase in |B a | will lead to the simultaneous increase of A and g eff . It …