Recent advances in bromination of aromatic and heteroaromatic compounds

LG Voskressensky, NE Golantsov, AM Maharramov - Synthesis, 2016 - thieme-connect.com
This review covers recent advances in C–H bromination of aromatic substrates. Transition-
metal-catalyzed/-mediated reactions and transition-metal-free methods are discussed. 1 …

C− H Functionalization Reactions of 1‐Aryl‐5‐pyrazolones

VB Purohit, RV Prajapati, VD Prajapati… - European Journal of …, 2022 - Wiley Online Library
In this contribution, we provide a comprehensive overview on the C− H activation/
functionalization reactions of 1‐aryl‐5‐pyrazolones, in particular, 1‐aryl‐3‐methyl‐1H …

Palladium-catalyzed carbamate-directed regioselective halogenation: a route to halogenated anilines

FM Moghaddam, G Tavakoli, B Saeednia… - The Journal of …, 2016 - ACS Publications
This study describes an efficient method for ortho-selective halogenation of N-
arylcarbamates under mild conditions for the first time. Although being weakly coordinating …

Synthesis and biological screening of novel 2-morpholinoquinoline nucleus clubbed with 1, 2, 4-oxadiazole motifs

SC Karad, VB Purohit, RP Thummar… - European Journal of …, 2017 - Elsevier
Novel series of 2-morpholinoquinoline scaffolds (6a-n), containing the 1, 2, 4-oxadiazole
and moiety, was designed and synthesized in good yield (76–86%). The synthesized …

Versatile Cp*Rh(III)-Catalyzed Selective Ortho-Chlorination of Arenes and Heteroarenes

F Lied, A Lerchen, T Knecht, C Mück-Lichtenfeld… - ACS …, 2016 - ACS Publications
The ortho-and monoselective Cp* Rh (III)-catalyzed chlorination of a broad range of
benzene derivatives and electron-rich heterocycles under mild reaction conditions is …

Pd-Catalyzed regioselective C–H halogenation of quinazolinones and benzoxazinones

M Dabiri, NF Lehi, SK Movahed… - Organic & Biomolecular …, 2017 - pubs.rsc.org
A Pd-catalyzed ortho-selective halogenation of benzoxazinone and quinazolinone scaffolds
has been described employing N-halosuccinimide as both a halogen source and an oxidant …

Palladium N-Heterocyclic Carbene Complex of Vitamin B1 Supported on Silica-Coated Fe3O4 Nanoparticles: A Green and Efficient Catalyst for C–C Coupling

F Rafiee, N Mehdizadeh - Catalysis Letters, 2018 - Springer
Abstract Fe 3 O 4@ SiO 2 nanoparticles were prepared by hydrolysis of TEOS in the
presence of Fe 3 O 4 nanoparticles that were synthesized through co-precipitation …

Palladium N-heterocyclic carbene catalyzed regioselective thiolation of 1-aryl-3-methyl-1H-pyrazol-5 (4H)-ones using aryl thiols

VB Purohit, SC Karad, KH Patel, DK Raval - Tetrahedron, 2016 - Elsevier
A palladium N-heterocyclic carbene [Pd (NHC) Cl 2] complex of Vitamin B 1 developed
earlier in our lab was also found to be an effective catalyst for regioselective thiolation via C …

Thiamine carbene liganded gold (i) chloride catalyzes an efficient aldehyde–alkyne–amine coupling reaction in water

RR Narra, VG Unnithan, TH Wong, Z Guo - Green Chemistry, 2023 - pubs.rsc.org
Vitamin B1 is successfully used as an N-heterocyclic carbene ligand for the facile and high-
yielding synthesis of a water soluble monodentate NHC–gold (I) complex, which efficiently …

Relative stabilities of M/NHC complexes (M= Ni, Pd, Pt) against R–NHC, X–NHC and X–X couplings in M (0)/M (ii) and M (ii)/M (iv) catalytic cycles: a theoretical study

AV Astakhov, SB Soliev, EG Gordeev… - Dalton …, 2019 - pubs.rsc.org
The complexes of Ni, Pd, and Pt with N-heterocyclic carbenes (NHCs) catalyze numerous
organic reactions via proposed typical M0/MII catalytic cycles comprising intermediates with …