Recent advancements in typical friedel–crafts alkylation reactions focused on targeting arene nucleophiles

S Singh, CK Hazra - Synthesis, 2024 - thieme-connect.com
This review delves into recent advances and significant breakthroughs in the field of the
catalytic Friedel–Crafts alkylation of targeted arenes or heteroarenes. Though a few earlier …

A recent update on the environment friendly methodologies to synthesize bis (indolyl) methane and 3, 3-di (3-indolyl)-2-indolone derivatives

P Kamboj, V Tyagi - Tetrahedron, 2023 - Elsevier
Indole, widely recognized as a versatile category of heterocyclic frameworks that contain
nitrogen is extensively employed in the synthesis of various organic compounds due to their …

Sustainable Sulfonic Acid Functionalized Tubular Shape Mesoporous Silica as a Heterogeneous Catalyst for Selective Unsymmetrical Friedel–Crafts Alkylation in One …

S Singh, A Kumar, L Nebhani, CK Hazra - JACS Au, 2023 - ACS Publications
The development of general and more sustainable heterogeneous catalytic processes for
Friedel–Crafts (FC) alkylation reactions is a key objective of interest for the synthesis of …

HFIP-Mediated Multicomponent Reactions: Synthesis of Pyrazole-Linked Thiazole Derivatives

R Banerjee, D Ali, N Mondal… - The Journal of Organic …, 2024 - ACS Publications
The development of one-pot, atom, and step-economic new methods avoiding metal, harsh
reaction conditions, and toxic reagents for the synthesis of medicinally important hybrid …

Total Synthesis of Alanense A through an Intramolecular Friedel–Crafts Alkylation

K Makino, R Fukuda, S Sueki… - The Journal of Organic …, 2024 - ACS Publications
The first total synthesis of cadinane sesquiterpenoid alanense A, in which an intramolecular
dehydrative Friedel–Crafts alkylation of 2, 5-diaryl-2-pentanol is incorporated as a key step …

Brønsted Acid-Mediated Multicomponent One-Pot Approach to Direct Construction of 4-Aryl-hydrocoumarin Derivatives

P Sharma, S Singh, CK Hazra - The Journal of Organic Chemistry, 2023 - ACS Publications
The facile and efficient synthesis of a unique class of 4-aryl-hydrocoumarins having
enormous applications in medicinal chemistry and natural products is presented. We have …

Transition-metal-free and additive-free intermolecular hydroarylation of alkenes with indoles in hexafluoroisopropanol

C Zhou, M Huang, Y Yao, C Chen, X Yi… - Organic & …, 2023 - pubs.rsc.org
Hydroarylation of alkenes is one of the most straightforward and atom-economical strategy
for the construction of multi-aryl-substituted alkanes, but systematic studies have been …

Trifluoromethanesulfonic Acid Promoted Controllable Electrophilic Aromatic Nitration

Y Wu, W Lu, YN Ma, F Chen, W Ren… - The Journal of Organic …, 2023 - ACS Publications
In this work, we developed a facile and controllable electrophilic aromatic nitration method
with commercially available 68% HNO3 as the nitrating reagent and …

Difunctionalization Processes Enabled by Hexafluoroisopropanol

M Piejko, J Moran, D Lebœuf - ACS Organic & Inorganic Au, 2024 - ACS Publications
In the past 5 years, hexafluoroisopropanol (HFIP) has been used as a unique solvent or
additive to enable challenging transformations through substrate activation and stabilization …

Chalcone-Based Synthesis of Tetrahydropyridazines via Cloke–Wilson-Type Rearrangement-Involved Tandem Reaction between Cyclopropyl Ketones and …

Y Meng, J Gu, M Xin, Y Jiang, Z Du, G Lu… - The Journal of …, 2024 - ACS Publications
A facile and efficient approach for the synthesis of multisubstituted tetrahydropyridazines
starting from cyclopropyl ketones and hydrazines has been developed. The transformation is …