Transition Metal‐Catalyzed and Metal‐Free Cyclization Reactions of Alkynes with Nitrogen‐Containing Substrates: Synthesis of Pyrrole Derivatives

JSS Neto, G Zeni - ChemCatChem, 2020 - Wiley Online Library
This review describes the efforts in the synthesis of pyrrole derivatives using the reaction of
alkynes with nitrogen‐compounds under transition metal‐catalyzed and metal‐free …

Recent Progress for the Synthesis of Pyrrole Derivatives–An Update

D Patel, D Shah, K Patel, A Patel… - Mini-Reviews in …, 2024 - benthamdirect.com
Pyrrole is a versatile heterocyclic moiety exhibiting a wide range of pharmacological actions
with high therapeutic value. The importance of pyrrole in the pharmaceutical field lies in its …

Supramolecular ensemble of a TICT-AIEE active pyrazine derivative and CuO NPs: a potential photocatalytic system for sonogashira couplings

H Deol, S Pramanik, M Kumar, IA Khan, V Bhalla - ACS Catalysis, 2016 - ACS Publications
The donor–acceptor system 4 having pyrazine scaffold as an acceptor moiety coupled to
donor amino groups through rotatable phenyl rings has been synthesized, which formed …

Synthesis of Imidazo[2,1-b]thiazoles via Copper-Catalyzed A3-Coupling in Batch and Continuous Flow

IV Rassokhina, TA Tikhonova… - The Journal of …, 2017 - ACS Publications
A straightforward method for the synthesis of functionalized imidazo [2, 1-b] thiazoles starting
from benzaldehydes, 2-aminothiazoles, and alkynes under copper (I, II) catalysis was …

Ruthenium (II)-catalyzed alkene C–H bond functionalization on cinnamic acids: a facile synthesis of versatile α-pyrones

R Prakash, K Shekarrao, S Gogoi - Organic Letters, 2015 - ACS Publications
Ruthenium(II)-Catalyzed Alkene C–H Bond Functionalization on Cinnamic Acids: A Facile
Synthesis of Versatile α-Pyrones | Organic Letters ACS ACS Publications C&EN CAS Find my …

Carbon–Carbon Bond Cleavage Reaction: Synthesis of Multisubstituted Pyrazolo[1,5-a]pyrimidines

P Saikia, S Gogoi, RC Boruah - The Journal of Organic Chemistry, 2015 - ACS Publications
A new carbon–carbon bond cleavage reaction was developed for the efficient synthesis of
multisubstituted pyrazolo [1, 5-a] pyrimidines. This base induced reaction of 1, 3, 5 …

Novel water-soluble phosphatriazenes: versatile ligands for Suzuki–Miyaura, Sonogashira and Heck reactions of nucleosides

S Bhilare, V Gayakhe, AV Ardhapure, YS Sanghvi… - RSC Advances, 2016 - pubs.rsc.org
Two new water-soluble phosphatriazene ligands have been synthesized as versatile
ligands for complexation reactions with Pd (OAc) 2 and utilized for catalyzing column-free …

Phenazine-based donor acceptor systems as organic photocatalysts for “Metal-free” C–N/C–C cross-coupling

H Deol, G Singh, M Kumar, V Bhalla - The Journal of Organic …, 2020 - ACS Publications
With an aim to achieve a balance between ground-state and excited-state reduction
potential of donor acceptor systems for efficient C–N/C–C cross-coupling, a series of donor …

Recent advances in the synthesis of pyrroles

S Iqbal, H Rasheed, RJ Awan, RJ Awan… - Current Organic …, 2020 - ingentaconnect.com
Pyrroles are the most prevalent heterocyclic compounds, which are present as the basic
cores in many natural products, such as vitamin B12, bile pigments like bilirubin and …

Synthesis of Tetrasubstituted Pyrroles from Homopropargylic Amines via a Sonogashira Coupling/Intramolecular Hydroamination/Oxidation Sequence

C Wang, K Huang, J Wang, H Wang… - Advanced Synthesis …, 2015 - Wiley Online Library
A one‐pot reaction of homopropargylic amines and aryl iodides was developed in the
presence of a palladium (Pd) catalyst and generated a series of tetrasubstituted pyrrole …