Selective catalytic hydrodefluorination as a key step for the synthesis of hitherto inaccessible aminopyridine derivatives.

G Podolan, D Lentz, HU Reissig - Angewandte Chemie …, 2013 - search.ebscohost.com
Fluorine makes it possible! The regioselective nucleophilic substitution of (oligo)
fluoropyridines with the appropriate amines and the subsequent catalytic …

Novel fluorinated benzimidazole-based scaffolds and their anticancer activity in vitro

AS Bhambra, M Edgar, MRJ Elsegood… - Journal of Fluorine …, 2016 - Elsevier
A small library of twelve, structurally diverse, fluoroaryl benzimidazoles was prepared using
a simple synthetic strategy employing SN Ar reactions. This allowed rapid assembly of …

Dipyrido [1, 2‐b: 3′, 4′‐e][1, 2, 4] triazine Scaffolds from Pentafluoropyridine

R Ranjbar‐Karimi, A Darehkordi… - Journal of …, 2018 - Wiley Online Library
Annelation reaction between pentafluoropyridine and diaminodihydro substituted pyridine
derivatives gave dipyrido [1, 2‐b: 3′, 4′‐e][1, 2, 4] triazine systems as major products …

Incorporation of fluorinated pyridine in the side chain of 4-aminoquinolines: Synthesis, characterization and antibacterial activity

R Ranjbar-Karimi, A Poorfreidoni - Drug Research, 2018 - thieme-connect.com
A series of hybrid of 4-aminoquinoline and fluorinated pyridine derivatives were synthesized
and their chemical structure were confirmed by 19 F-NMR, 1 H-NMR, 13 C-NMR and FT-IR …

Synthesis of substituted imidazopyridines from perfluorinated pyridine derivatives

A Poorfreidoni, R Ranjbar-Karimi - Tetrahedron Letters, 2016 - Elsevier
Phenylsulfonyl tetrafluoropyridine was reacted with various N-aryl amidines to give the
corresponding imidazopyridine systems via an intramolecular nucleophilic aromatic …

Synthesis of N-substituted sulfonamides containing perhalopyridine moiety as bio-active candidates

R Hosseini, R Ranjbar-Karimi… - Journal of Fluorine …, 2020 - Elsevier
A series of new halogenated aryl sulfonamides, as bio-active candidates, was synthesized
from the reaction of the corresponding aryl sulfonamides with pentafluoro-and …

Survey of reactivity of some enolates with pentafluoropyridine and 4-phenylsulfonyl-2, 3, 5, 6-tetrafluoropyridine

R Ranjbar-Karimi, E Heidari - Journal of Fluorine Chemistry, 2013 - Elsevier
Site reactivity of some enolates derived from acetyl attached to the aromatic and
heteroaromatic system with pentafluoropyridine and 4-phenylsulfonyl-2, 3, 5, 6 …

MgO nanoparticles as a recyclable heterogeneous catalyst for the synthesis of polyhydroquinoline derivatives under solvent free conditions

R Ranjbar‐Karimi, S Hashemi‐Uderji… - Chinese Journal of …, 2011 - Wiley Online Library
Magnesium oxide nanopartticels in average size between 35–120 nm were prepared by
sonochemistry method. Synthesis of polyhydroquinoline derivatives using MgO …

Reactions of pentafluoropyridine with amidoximes

R Ranjbar-Karimi, A Karbakhsh-Ravari… - Journal of the Iranian …, 2017 - Springer
In this paper, site reactivity of amidoximes with pentafluoropyridine under basic conditions in
dry CH 3 CN was investigated. The aromatic nucleophilic substitution of pentafluoropyridine …

[HTML][HTML] Ultrasound promoted facile synthesis of some pentafluoropyridine derivatives at ambient conditions

R Ranjbar-Karimi, M Mashak-Shoshtari… - Ultrasonics …, 2011 - Elsevier
Some pentafluoropyridine derivatives have been synthesized by the reaction of
pentafluoropyridine with appropriate mono and bidentate nucleophile under ultrasonic …