The pictet-spengler reaction updates its habits

A Calcaterra, L Mangiardi, G Delle Monache… - Molecules, 2020 - mdpi.com
The Pictet-Spengler reaction (PS) is one of the most direct, efficient, and variable synthetic
method for the construction of privileged pharmacophores such as tetrahydro-isoquinolines …

Synthesis of functionalized tetrasubstituted pyrazolyl heterocycles–a review

S Dadiboyena, A Nefzi - European journal of medicinal chemistry, 2011 - Elsevier
Heterocyclic chemistry constitutes an essential branch of organic chemistry and
heterocycles are widely known to display an array of biological properties. Pyrazoles …

Vinylogous urethane based epoxy vitrimers with closed-loop and multiple recycling routes

H Xu, H Wang, Y Zhang, J Wu - Industrial & Engineering …, 2022 - ACS Publications
Vitrimers, a new class of covalently cross-linked materials, can be thermally reprocessed
and recycled while maintaining network integrity. However, efficient and convenient …

Exploring the Oxidative Cyclization of Substituted N‐Aryl Enamines: Pd‐Catalyzed Formation of Indoles from Anilines

JJ Neumann, S Rakshit, T Dröge… - … –A European Journal, 2011 - Wiley Online Library
The direct Pd‐catalyzed oxidative coupling of two C H‐bonds within N‐aryl‐enamines 1
allows the efficient formation of differently substituted indoles 2. In this cross …

Taguchi method and neural network for efficient β‐ketoenamine synthesis in deionized water

W Ghabi, K Landolsi, F Echouchene… - … Canadian Journal of …, 2024 - Wiley Online Library
The optimization of performance parameters, in particular the yield of the synthesis reaction
of β‐enaminones in demineralized water, is crucial to improve their efficiency and accuracy …

Cerium (IV) Ammonium Nitrate Is an Excellent, General Catalyst for the Friedländer and Friedländer− Borsche Quinoline Syntheses: Very Efficient Access to the …

V Sridharan, P Ribelles, MT Ramos… - The Journal of Organic …, 2009 - ACS Publications
The use of cerium (IV) ammonium nitrate as a catalyst of the Friedländer reaction allows
the synthesis of polysubstituted quinoline derivatives in excellent yields, avoiding the …

Facial preparation of trifluoroacetic acid-immobilized amino-functionalized silica magnetite nano-catalysts as a highly efficient and reusable for synthesis of β …

A Mokkarat, S Kruanetr, U Sakee - Journal of Molecular Structure, 2022 - Elsevier
In this paper, a simple method is reported for the preparation of trifluoroacetic acid
immobilized silica magnetite nanoparticles. It is a new magnetic nano-catalyst for β …

Applications of zirconium (IV) compounds in organic synthesis

ZH Zhang, TS Li - Current Organic Chemistry, 2009 - ingentaconnect.com
From a viewpoint of synthetic organic chemistry, the recent developments and applications
of zirconium compounds as promoter and catalyst for many important organic reactions …

A chemoselective route to β-enamino esters and thioesters

D **n, K Burgess - Organic Letters, 2014 - ACS Publications
Conditions were developed for syntheses of β-enamino esters, thioesters, and amides.
These reactions involve hydroxybenzotriazole derivatives in buffered media. Illustrative …

Nanocatalyst driven synthesis of β-enaminones: A novel step towards the development of pharmaceutical precursors

S Yadav, A Jain, P Malhotra - Journal of the Indian Chemical Society, 2024 - Elsevier
Organic synthesis is entering a new era predominated by the nanocatalyst driven synthesis
of organic molecules. Both the chemicals and pharmaceuticals are nowadays inclined …