Homogeneous and heterogeneous catalysts for multicomponent reactions

MJ Climent, A Corma, S Iborra - RSC advances, 2012 - pubs.rsc.org
Organic synthesis performed through multicomponent reactions is an attractive area of
research in organic chemistry. Multicomponent reactions involve more than two starting …

Old reagents, new results: Aromatization of Hantzsch 1, 4-dihydropyridines with manganese dioxide and 2, 3-dichloro-5, 6-dicyano-1, 4-benzoquinone

JJV Eynde, F Delfosse, A Mayence, Y Van Haverbeke - tetrahedron, 1995 - Elsevier
Hantzsch 1, 4-dihydropyridines are readily oxidized by manganese dioxide or 2, 3-dichloro-
5, 6-dicyano-1, 4-benzoquinone (DDQ) in dichloromethane at room temperature. With …

Eco‐Mn Ecocatalysts: Toolbox for Sustainable and Green Lewis Acid Catalysis and Oxidation Reactions

C Bihanic, K Richards, TK Olszewski… - ChemCatChem, 2020 - Wiley Online Library
Phytoextraction is one of the most promising phytotechnologies used to restore natural
environments degraded by mining activities. In New Caledonia, a few plant species, which …

CO2-Catalyzed Efficient Dehydrogenation of Amines with Detailed Mechanistic and Kinetic Studies

D Riemer, W Schilling, A Goetz, Y Zhang… - ACS …, 2018 - ACS Publications
CO2-catalyzed dehydrogenation of amines has been achieved under photocatalytic
conditions. With this concept, various amines have been selectively dehydrogenated to the …

Catalytic aromatization of Hantzsch 1, 4-dihydropyridines by ferric perchlorate in acetic acid

MM Heravi, FK Behbahani, HA Oskooie, RH Shoar - Tetrahedron Letters, 2005 - Elsevier
Catalytic aromatization of Hantzsch 1,4-dihydropyridines by ferric perchlorate in acetic acid -
ScienceDirect Skip to main contentSkip to article Elsevier logo Journals & Books Search …

Silica modified sulfuric acid/NaNO 2 as a novel heterogeneous system for the oxidation of 1, 4-dihydropyridines under mild conditions

MA Zolfigol, F Shirini, AG Choghamarani… - Green …, 2002 - pubs.rsc.org
A combination of silica modified sulfuric acid and sodium nitrite in the presence of wet SiO2
were used as an effective oxidizing agent for the oxidation of dihydropyridines to their …

Catalytic oxidation of Hantzsch 1, 4-dihydropyridines by RuCl3 under oxygen atmosphere

SH Mashraqui, MA Karnik - Tetrahedron letters, 1998 - Elsevier
Catalytic Oxidation of Hanbsch 1,4-Dihydropyridines by RuCla under Oxygen Atmosphere Page
1 Pergamon TETRAHEDRON LETTERS Tetrahedron Letters 39 (1998) 489554898 Catalytic …

Manganese triacetate mediated oxidation of Hantzsch 1, 4-dihydropyridines to pyridines

RS Varma, D Kumar - Tetrahedron letters, 1999 - Elsevier
Manganese Triacetate Mediated Oxidation of Hantzsch 1,4-Dihydropyridines to Pyridines Page
1 Pergamon Tetrahedron Letters 40 (1999) 21-24 TETRAHEDRON LETTERS Manganese …

Synthetic and theoretical studies on the reduction of electron withdrawing group conjugated olefins using the hantzsch 1, 4-dihydropyridine ester

SJ Garden, CRW Guimarães, MB Corréa… - The Journal of …, 2003 - ACS Publications
The Hantzsch 1, 4-dihydropyridine ester (1) has been observed to be a useful selective
reducing agent for the reduction of electron-withdrawing conjugated double bonds. The rate …

An efficient aerobic oxidative aromatization of Hantzsch 1, 4-dihydropyridines and 1, 3, 5-trisubstituted pyrazolines

B Han, Z Liu, Q Liu, L Yang, ZL Liu, W Yu - Tetrahedron, 2006 - Elsevier
4-Substituted Hantzsch 1, 4-dihydropyridines and 1, 3, 5-trisubstituted pyrazolines were
oxidized to the corresponding pyridines and pyrazoles, respectively, in high yields by …