[HTML][HTML] Heteroatom substitution at amide nitrogen—resonance reduction and HERON reactions of anomeric amides

SA Glover, AA Rosser - Molecules, 2018 - mdpi.com
This review describes how resonance in amides is greatly affected upon substitution at
nitrogen by two electronegative atoms. Nitrogen becomes strongly pyramidal and resonance …

Retracted Article: Experimental and theoretical studies of the nanostructured {Fe 3 O 4@ SiO 2@(CH 2) 3 Im} C (CN) 3 catalyst for 2-amino-3-cyanopyridine …

MA Zolfigol, M Kiafar, M Yarie, AA Taherpour… - RSC Advances, 2016 - pubs.rsc.org
2-Amino-4, 6-diphenylnicotinonitriles were prepared by using Fe3O4@ SiO2@(CH2) 3Im} C
(CN) 3 as a nanostructured catalyst with an ionic liquid tag under solvent free and benign …

[PDF][PDF] Catalytic anomeric based oxidation

M Yarie - 2017 - sid.ir
Introduction: Anomeric effect has found its influential position in the field of chemistry and it
can be defined as stereoelectronic stabilizing effect that favor the placement of …

[3+ 3] annulation via ring opening/cyclization of Donor–Acceptor cyclopropanes with (Un) symmetrical ureas: a quick access to highly functionalized …

IM Taily, D Saha, P Banerjee - European Journal of Organic …, 2019 - Wiley Online Library
A mild and straight‐forward access to pharmacologically privileged tetrahydropyrimidinones
exploiting readily available Donor–Acceptor cyclopropanes (DACs) is reported. This …

Synthesis of new pyridines with sulfonamide moiety via a cooperative vinylogous anomeric-based oxidation mechanism in the presence of a novel quinoline-based …

M Torabi, M Yarie, MA Zolfigol, S Rouhani, S Azizi… - RSC …, 2021 - pubs.rsc.org
In the present study, we reported the synthesis of a novel quinoline-based dendrimer-like
ionic liquid. After characterization of the mentioned ionic liquid with suitable techniques such …

Barriers to rotation in ortho-substituted tertiary aromatic amides: effect of chloro-substitution on resonance and distortion

E Bisz, A Piontek, B Dziuk, R Szostak… - The Journal of Organic …, 2018 - ACS Publications
Planarity of the amide bond represents one of the most widely recognized properties of
amides. Herein, we report a combined structural and computational study on the effect of …

A convenient method for preparation of 2-amino-4, 6-diphenylnicotinonitrile using HBF4 as an efficient catalyst via an anomeric based oxidation: A joint experimental …

MA Zolfigol, M Kiafar, M Yarie, AA Taherpour… - Journal of Molecular …, 2017 - Elsevier
Experimental and computational studies in the synthesis of 2-amino-4, 6-
diphenylnicotinonitrile using HBF 4 as an oxidizing promoter catalyst under mild and solvent …

Pyrolysis of hydrazine derivatives and related compounds with NN single bonds

AAM Gaber, C Wentrup - Journal of Analytical and Applied Pyrolysis, 2017 - Elsevier
Pyrolysis of hydrazines and their derivatives often results in homolytic cleavage of the
Nsingle bondN bonds, but molecular rearrangements and eliminations are also observed in …

The first computational study for the oxidative aromatization of pyrazolines and 1, 4-dihydropyridines using 1, 2, 4-triazolinediones: an anomeric-based oxidation

M Kiafar, MA Zolfigol, M Yarie, AA Taherpour - RSC advances, 2016 - pubs.rsc.org
In this study, the oxidative aromatization process of 1, 3, 5-trisubstituted pyrazolines and 1, 4
dihydropyridines, as pharmaceutically important structural motifs, using 1, 2, 4 …

Electrochemical Oxidative Dearomatization Strategy for Accessing Spiro [4.5] dienones and Derivatives

R Bag, NP Mishra, D Saha… - The Journal of Organic …, 2024 - ACS Publications
Electrochemical dearomatization has been recognized as an attractive tool for the rapid
construction of structurally diverse molecules. The designed methodology encompasses an …