Results 81 to 90 of about 416,337 (149)

Dimerization reactions of aryl selenophen-2-yl-substituted thiocarbonyl S-methanides as diradical processes: a computational study

Beilstein Journal of Organic Chemistry, 2017
An intriguing stepwise diradical mechanism of the dimerization of the reactive intermediate (thiocarbonyl S-methanide) appearing in the reaction of phenyl selenophen-2-yl thioketone with diazomethane was studied by means of computational methods.
Michael L. McKee, Grzegorz Mlostoń, Katarzyna Urbaniak, Heinz Heimgartner   +3 more
doaj   +1 more source

Nitropyridines as 2π-Partners in 1,3-Dipolar Cycloadditions with N-Methyl Azomethine Ylide: An Easy Access to Condensed Pyrrolines. [PDF]

Molecules, 2021
Bastrakov MA, Fedorenko AK, Starosotnikov AM, Shakhnes AK.   +3 more
europepmc   +1 more source

Multicomponent syntheses of pyrazoles via (3 + 2)-cyclocondensation and (3 + 2)-cycloaddition key steps

Beilstein Journal of Organic Chemistry
Pyrazoles are rarely found in nature but are traditionally used in the agrochemical and pharmaceutical industries, while other areas of use are also actively developing. However, they have also found numerous other applications.
Ignaz Betcke, Alissa C. Götzinger, Maryna M. Kornet, Thomas J. J. Müller   +3 more
doaj   +1 more source

Synthesis of chiral-at-metal rhodium complexes from achiral tripodal tetradentate ligands: resolution and application to enantioselective Diels-Alder and 1,3-dipolar cycloadditions. [PDF]

RSC Adv, 2022
Tejero AG, Carmona M, Rodríguez R, Viguri F, Lahoz FJ, García-Orduña P, Carmona D.   +6 more
europepmc   +1 more source

Understanding the 1,3-Dipolar Cycloadditions of Allenes. [PDF]

Chemistry, 2020
Yu S, Vermeeren P, van Dommelen K, Bickelhaupt FM, Hamlin TA.   +4 more
europepmc   +1 more source

Intermolecular 1,3-dipolar cycloadditions of azomethine imines

ARKIVOC, 2006
Raymond C. F. Jones, Stephen J. Hollis, James N. Iley   +2 more
doaj   +1 more source

Theoretical Study of 1,3-Dipolar Cycloadditions Regioselectivity of Benzyl Azide with Glycosyl-O Acetylene Using Density Functional Theory (DFT)

Orbital: The Electronic Journal of Chemistry, 2017
A theoretical study of 1,3-cycloaddition has been carried out using density functional theory (DFT) methods at the B3LYP/6-31G* level. The regioselectivity of the reaction have been clarified through different theoretical approaches: Case of a Two-Center
Adib Ghaleb, Adnane Aouidate, Abdelouahid Sbai, Tahar Lakhlifi, Hamid Maghat, Mohammed Bouachrine   +5 more
doaj  

1,3-Dipolar cycloadditions of acridine with nitrile oxides

ARKIVOC, 2002
Antonino Corsaro, Venerando Pistarà, Antonio Rescifina, Giovanni Romeo, Roberto Romeo, Ugo Chiacchio   +5 more
doaj   +1 more source

Enantioselective intramolecular 1,3-dipolar cycloadditions of diazocarbonyl-derived oxidopyryliums

ARKIVOC, 2003
David M. Hodgson, Paul A. Stupple, Craig Johnstone   +2 more
doaj   +1 more source

Synthesis and spectroscopic and structural characterization of spiro[indoline-3,3'-indolizine]s formed by 1,3-dipolar cycloadditions between isatins, pipecolic acid and an electron-deficient alkene. [PDF]

Acta Crystallogr C Struct Chem, 2021
Romo PE, Quiroga J, Cobo J, Glidewell C.
europepmc   +1 more source