Dimethyl acetylenedicarboxylate: a versatile tool in organic synthesis
CG Neochoritis, T Zarganes-Tzitzikas… - …, 2014 - thieme-connect.com
This review presents the recent progress in the chemistry of dimethyl acetylenedicarboxylate
(DMAD). The interest in and applications of this powerful reagent with more than 135 years …
(DMAD). The interest in and applications of this powerful reagent with more than 135 years …
The vital use of isocyanide-based multicomponent reactions (MCR) in chemical synthesis
RL Mohlala, EM Coyanis - Physical Sciences Reviews, 2024 - degruyter.com
Multicomponent (MCRs) reactions are classified as one-pot reaction where more than two
starting materials are employed to form a single product that contains the building blocks of …
starting materials are employed to form a single product that contains the building blocks of …
Metal-free synthesis of quinoline-2, 4-dicarboxylate derivatives using aryl amines and acetylenedicarboxylates through a pseudo three-component reaction
An efficient, useful and one-pot protocol for the synthesis of quinoline-2, 4-dicarboxylate
scaffolds is accomplished from aryl amines and dimethyl/diethyl acetylenedicarboxylates …
scaffolds is accomplished from aryl amines and dimethyl/diethyl acetylenedicarboxylates …
Three-component reaction of imidazoles, cyanophenylacetylene, and chalcogens: stereoselective synthesis of 3-alkenyl-2-imidazolethiones and-selones
KV Belyaeva, LV Andriyankova, LP Nikitina… - Tetrahedron, 2014 - Elsevier
The three-component reaction of 1-substituted imidazoles, cyanophenylacetylene, and
elemental sulfur or selenium proceeds readily (for sulfur at room temperature without …
elemental sulfur or selenium proceeds readily (for sulfur at room temperature without …
Metal-Free One-Pot Chemoselective thiocyanation of imidazothiazoles and 2-aminothiazoles with in situ generated N-thiocyanatosuccinimide
SN Kadam, AN Ambhore, MJ Hebade, RD Kamble… - Synlett, 2018 - thieme-connect.com
A chemoselective thiocyanation of imidazothiazoles and 2-aminothiazoles with use of in situ
generated N-thiocyanatosuccinimide (NTS) at room temperature is described. The protocol …
generated N-thiocyanatosuccinimide (NTS) at room temperature is described. The protocol …
Synthetic access to imidazo[2,1-b]thiazoles
HA Mohamed, BF Abdel-Wahab - Journal of Sulfur Chemistry, 2012 - Taylor & Francis
Full article: Synthetic access to imidazo[2,1-b]thiazoles Skip to Main Content Taylor and Francis
Online homepage Taylor and Francis Online homepage Log in | Register Cart 1.Home 2.All …
Online homepage Taylor and Francis Online homepage Log in | Register Cart 1.Home 2.All …
Three‐Step One‐Pot Synthesis of Imidazo[2,1‐b]chalcogenazoles via Intramolecular Cyclization of N‐Alkynylimidazoles
Imidazo‐chalcogenazoles are easily accessible from the corresponding N‐
alkynylimidazoles by a three‐step, one‐pot chalcogenation reaction. The generality of this …
alkynylimidazoles by a three‐step, one‐pot chalcogenation reaction. The generality of this …
Azodicarboxylates: valuable reagents for the multicomponent synthesis of novel 1, 3, 4-thiadiazoles and imidazo [2, 1-b][1, 3, 4] thiadiazoles
T Zarganes-Tzitzikas, CG Neochoritis… - Tetrahedron, 2013 - Elsevier
Upon reaction of 4, 5-disubstituted-N-arylaminoimidazole-2-thiones with isocyanides in the
presence of azodicarboxylates (1.2 equiv) at rt, the imidazo [2, 1-b][1, 3, 4] thiadiazoles were …
presence of azodicarboxylates (1.2 equiv) at rt, the imidazo [2, 1-b][1, 3, 4] thiadiazoles were …
Heterocycles from the reaction of thione groups with acetylenic bonds
This chapter discusses reactions between the thione and alkyne functional groups,
subdivided into internal (intramolecular) and external (intermolecular) reactions. Many such …
subdivided into internal (intramolecular) and external (intermolecular) reactions. Many such …
Site-selectivity control in hetero-Diels–Alder reactions of methylidene derivatives of lawsone through modification of the reactive carbonyl group: an experimental and …
M Tsanakopoulou, E Tsovaltzi, MA Tzani… - Organic & …, 2019 - pubs.rsc.org
A new perspective on the reactivity of hydroxyquinones was revealed as an acetal derivative
of lawsone was synthesized, isolated, and used in tandem Knoevenagel/hetero-Diels–Alder …
of lawsone was synthesized, isolated, and used in tandem Knoevenagel/hetero-Diels–Alder …