Intramolecular C (sp 3)–H amination

JL Jeffrey, R Sarpong - Chemical Science, 2013 - pubs.rsc.org
Increasing interest in C (sp3)–H bond functionalization has led to a multitude of recent
advances in intramolecular C (sp3)–H amination. Direct, intramolecular C (sp3)–N bond …

Acetylcholinesterase and carbonic anhydrase inhibitory properties of novel urea and sulfamide derivatives incorporating dopaminergic 2-aminotetralin scaffolds

B Özgeriş, S Göksu, LP Köse, I Gülçin… - Bioorganic & medicinal …, 2016 - Elsevier
In the present study a series of urea and sulfamide compounds incorporating the tetralin
scaffolds were synthesized and evaluated for their acetylcholinesterase (AChE), human …

Recent advances in benzylic and heterobenzylic lithiation

JYF Wong, G Barker - Tetrahedron, 2020 - Elsevier
Aryl and heteroaryl rings are omnipresent in small molecule drugs, and examples bearing
multiple substitutions at benzylic positions are ubiquitous across a range of pharmaceutical …

A general method for the one-pot reductive functionalization of secondary amides

PQ Huang, YH Huang, KJ Xiao, Y Wang… - The Journal of Organic …, 2015 - ACS Publications
A one-pot reaction for the transformation of common secondary amides into amines with C–
C bond formation is described. This method consists of in situ amide activation with Tf2O …

[PDF][PDF] Directed lithiation of simple aromatics and heterocycles for synthesis of substituted derivatives.

GA El-Hiti, K Smith, AS Hegazy… - … : Online Journal of …, 2015 - fac.ksu.edu.sa
Directed lithiation of substituted aromatics and heterocycles containing a directing
metalating group with alkyllithium in anhydrous tetrahydrofuran or diethyl ether at low …

Simple, versatile, and chemoselective reduction of secondary amides and lactams to amines with the Tf 2 O–NaBH 4 or Cp 2 ZrHCl–NaBH 4 system

PQ Huang, H Geng - Organic Chemistry Frontiers, 2015 - pubs.rsc.org
The reduction of secondary amides to amines is an important transformation for the total
synthesis of alkaloids and pharmaceuticals. General and chemoselective direct methods for …

Experimental (FT-IR, NMR and UV) and theoretical (M06-2X and DFT) investigation, and frequency estimation analyses on (E)-3-(4-bromo-5-methylthiophen-2-yl) …

Y Sert, AA Balakit, N Öztürk, F Ucun… - Spectrochimica Acta Part A …, 2014 - Elsevier
The spectroscopic properties of (E)-3-(4-bromo-5-methylthiophen-2-yl) acrylonitrile have
been investigated by FT-IR, UV, 1 H and 13 C NMR techniques. The theoretical vibrational …

Further Studies on the Direct Synthesis of α,β‐Unsaturated Ketimines and α,β‐Enones by Chemoselective Dehydrative Addition of Functionalized Alkenes to …

PQ Huang, YH Huang - Chinese Journal of Chemistry, 2017 - Wiley Online Library
Described in this paper are the results of an investigation on the extension of the C‐H
alkyliminylation and acylation of alkenes with secondary amides. The nucleophilic partner …

Direct transformation of amides: a one-pot reductive Ugi-type three-component reaction of secondary amides

JF Zheng, XY Qian, PQ Huang - Organic Chemistry Frontiers, 2015 - pubs.rsc.org
Amides are a class of highly stable carbonyl compounds, which are widely used as reliable
synthetic intermediates in both organic synthesis and pharmaceutical chemistry. Thus, the …

Control of site of lithiation of 3-(aminomethyl) pyridine derivatives

K Smith, GA El-Hiti, MB Alshammari, A Fekri - Synthesis, 2013 - thieme-connect.com
Lithiation of N-(pyridin-3-ylmethyl) pivalamide, tert-butyl N-(pyridin-3-ylmethyl) carbamate,
and N, N-dimethyl-N′-(pyridin-3-ylmethyl) urea with tert-butyllithium (3 equiv) in anhydrous …