From 2000 to mid-2010: A fruitful decade for the synthesis of pyrazoles

S Fustero, M Sánchez-Roselló, P Barrio… - Chemical …, 2011 - ACS Publications
In the past decade, interest in pyrazole chemistry has significatively increased mainly due to
the discovery of the interesting properties exhibited by a great number of pyrazole …

A decade update on solvent and catalyst-free neat organic reactions: a step forward towards sustainability

A Sarkar, S Santra, SK Kundu, A Hajra, GV Zyryanov… - Green …, 2016 - pubs.rsc.org
Particular success has been achieved in the synthesis of new products and in processes
since the twelve principles of “green chemistry” were formulated in the 1990s. These …

More sustainable approaches for the synthesis of N-based heterocycles

NR Candeias, LC Branco, PMP Gois… - Chemical …, 2009 - ACS Publications
More Sustainable Approaches for the Synthesis of N-Based Heterocycles | Chemical Reviews
ACS ACS Publications C&EN CAS Find my institution Log In Chemical Reviews ACS …

Self-assembly of Keggin-type U (VI)-containing tungstophosphates with a sandwich structure: an efficient catalyst for the synthesis of sulfonyl pyrazoles

GP Yang, XL Zhang, YF Liu, DD Zhang, K Li… - Inorganic Chemistry …, 2021 - pubs.rsc.org
The reaction of UO2 (OAc) 2 and Na9 [A-PW9O34] in solution with different pH values leads
to the formation of two Keggin-type sandwich polyoxometalates, namely Na11H (H2O) 31 …

Copper‐Mediated Trifluoromethylation of Heteroaromatic Compounds by Trifluoromethyl Sulfonium Salts

CP Zhang, ZL Wang, QY Chen, CT Zhang, YC Gu… - Angewandte …, 2011 - infona.pl
Ohne viel Aufwand dank Kupfer: Ausgehend von der Beobachtung, dass 1 durch bestimmte
Metalle reduziert werden kann, wurde eine einfache Methode zur Synthese von …

Recent advances in the synthesis of pyrazoles. A review

S Fustero, A Simon-Fuentes… - Organic Preparations …, 2009 - Taylor & Francis
Pyrazole (Figure 1), a five-membered, two-nitrogen-containing heterocycle ring, is widely
found as the core structure in a large variety of compounds that possess important …

L-Proline catalysed multicomponent synthesis of 3-amino alkylated indoles via a Mannich-type reaction under solvent-free conditions

A Kumar, MK Gupta, M Kumar - Green chemistry, 2012 - pubs.rsc.org
An efficient L-proline catalyzed one-pot synthesis of 3-amino-alkylated indoles has been
developed via a three-component Mannich-type reaction viz. secondary amines, aldehyde …

Visible-Light-Promoted Metal-and Photocatalyst-Free Reactions between Arylglyoxylic Acids and Tetraalkylthiuram Disulfides: Synthesis of α-Ketoamides

S Sarkar, S Pal, A Mukherjee, S Santra… - The Journal of …, 2024 - ACS Publications
A convenient and new synthetic approach has been developed for the oxidative cross-
coupling of the C–N bond through the reaction between arylglyoxylic acids and …

Greener and rapid access to bio-active heterocycles: room temperature synthesis of pyrazoles and diazepines in aqueous medium

V Polshettiwar, RS Varma - Tetrahedron Letters, 2008 - Elsevier
An expeditious room temperature synthesis of pyrazoles and diazepines by condensation of
hydrazines/hydrazides and diamines with various 1, 3-diketones is described. This greener …

One-pot three-component synthesis of pyrazoles through a tandem coupling-cyclocondensation sequence

HL Liu, HF Jiang, M Zhang, WJ Yao, QH Zhu, Z Tang - Tetrahedron Letters, 2008 - Elsevier
An efficient and general one-pot procedure for the synthesis of pyrazoles from acid
chlorides, terminal alkynes and hydrazines was described via a coupling and …