Chemicals from alkynes with palladium catalysts

R Chinchilla, C Najera - Chemical reviews, 2014 - ACS Publications
The carbon− carbon triple bond of alkynes is one of the basic functional groups, its reactions
belonging to the foundations of organic chemistry. In the past decades, acetylene chemistry …

The chosen few: parallel library reaction methodologies for drug discovery

AW Dombrowski, AL Aguirre, A Shrestha… - The Journal of …, 2021 - ACS Publications
Parallel library synthesis is an important tool for drug discovery because it enables the
synthesis of closely related analogues in parallel via robust and general synthetic …

Sonogashira cross-coupling reaction catalysed by mixed NHC-Pd-PPh3 complexes under copper free conditions

N Touj, S Yaşar, N Özdemir, N Hamdi… - Journal of Organometallic …, 2018 - Elsevier
Abstract Mixed NHC–Pd–PPh 3 complexes with a methoxyethyl-substituted N-heterocyclic
carbene (NHC) were synthesised and characterised by NMR, HRMS, elemental analysis …

Ligand and copper free Sonogashira coupling to achieve 2-alkynyl D-glucal derivatives: regioselective electrophile promoted nucleophilic 5-endo-dig cyclization

A Shamim, SNS Vasconcelos, B Ali, LS Madureira… - Tetrahedron letters, 2015 - Elsevier
A general approach for the synthesis of 2-alkynyl-d-glucal derivatives has been achieved
through a ligand and copper-free Sonogashira coupling of 2-iodo-3, 4, 6-tri-O-acetyl-d …

Transition-Metal-Free Sonogashira-Type Cross-Coupling of Alkynes with Fluoroarenes

G Jin, X Zhang, S Cao - Organic letters, 2013 - ACS Publications
A novel, inexpensive, and efficient palladium-, copper-, ligand-, and amine-free Sonogashira-
type cross-coupling reaction of terminal alkynes with unreactive aryl fluorides in the …

Palladium complexes of the N-fused heterocycle derived abnormal N-heterocyclic carbenes for the much-preferred Cu-free and the amine-free Sonogashira coupling …

A John, S Modak, M Madasu, M Katari, P Ghosh - Polyhedron, 2013 - Elsevier
Abnormal N-heterocyclic carbenes of the N-fused heterocycles were employed in stabilizing
a series of PEPPSI (Pyridine Enhanced Precatalyst Preparation Stabilization and Initiation) …

Sonogashira coupling in 3D-printed NMR cuvettes: synthesis and properties of arylnaphthylalkynes

F Lederle, F Meyer, C Kaldun, JC Namyslo… - New Journal of …, 2017 - pubs.rsc.org
3D-Printing has been used to build hollow NMR tube/spinner combinations out of NMR-
transparent polyamide. The whole 3D-print has been processed inside a glove box and …

Green chemical approach: low-melting mixture as a green solvent for efficient Michael addition of homophthalimides with chalcones

V Krishnakumar, NG Vindhya, BK Mandal… - Industrial & …, 2014 - ACS Publications
Employing Burkhard Konig's l-(+)-tartaric acid-dimethyl urea (DMU) mixture as an efficient
catalyst or as solvent for the Michael addition of various chalcones with N …

Synthesis of 11, 12-dihydro benzo [c] phenanthridines via a Pd-catalyzed unusual construction of isocoumarin ring/FeCl3-mediated intramolecular arene-allyl …

B Thirupataiah, GS Reddy, SS Ghule, JS Kumar… - Bioorganic …, 2020 - Elsevier
In spite of their various pharmacological properties the anti-inflammatory potential of benzo
[c] phenanthridines remained underexplored. Thus, for the first time PDE4 inhibitory …

Dimeric ortho-palladated complex of 2,3-dimethoxybenzaldehyde oxime catalyzed Suzuki–Miyaura cross-coupling reaction under microwave irradiation

AR Hajipour, F Rafiee - Journal of the Iranian Chemical Society, 2015 - Springer
The catalytic activity of dimeric [Pd {C 6 H 2 (–CH= NOH)–(OMe) 2-2, 3}(µ–Cl)] 2 complex as
an efficient, air, and moisture-tolerant catalyst was investigated in Suzuki cross-coupling …