Results 51 to 60 of about 3,294 (234)
Green Chemistry Letters and Reviews, 2017 In this research, a new, green and eco-friendly method for the synthesis of spirooxindole derivatives was presented. The reaction was performed at room temperature in the presence of catalytic amounts (4 mol.%) of CuO nanoparticles and products were ...
Leila Moradi, Zeynab Ataei
doaj +1 more source
Recent Advances in Organocatalysis [PDF]
, 2021 Organocatalysis has recently attracted enormous attention as green and sustainable catalysis. It was realized as a fundamental field providing wide families of catalysts for important organic transformations.
core +1 more source
Metal-Free Diastereo- and Enantioselective Dearomative Formal [3 + 2] Cycloaddition of 2-Nitrobenzofurans and Isocyanoacetate Esters [PDF]
, 2022 The diastereo- and enantioselective dearomative formal [3 + 2] cycloaddition of 2-nitrobenzofurans and α-aryl-α-isocyanoacetate esters provides tricyclic compounds bearing the 3a,8b-dihydro-1H-benzofuro[2,3-c]pyrrole framework with three consecutive ...
Blay Llinares, Gonzalo +5 more
core +3 more sources
Diversity-oriented synthesis as a tool for identifying new modulators of mitosis. [PDF]
, 2014 The synthesis of diverse three-dimensional libraries has become of paramount importance for obtaining better leads for drug discovery. Such libraries are predicted to fare better than traditional compound collections in phenotypic screens and against ...
Alza, Esther +8 more
core +1 more source
Catalytic asymmetric synthesis of biologically important 3-hydroxyoxindoles: an update
Beilstein Journal of Organic Chemistry, 2016 Oxindole scaffolds are prevalent in natural products and have been recognized as privileged substructures in new drug discovery. Several oxindole-containing compounds have advanced into clinical trials for the treatment of different diseases. Among these
Bin Yu +3 more
doaj +1 more source
Chemical and Pharmaceutical Bulletin, 1963 The conversion of 1-methylspiro (indoline-3, 1'-indolizine)-2-one to 12-methyl-1, 2, 3, 4, 6, 7, 12, 12b-octahydroindolo [2, 3-a] quinolizine is described as a preliminary for the chemical correlation of N-methylrhynchophyllane with N-methyldihydrocorynantheane.
T, OISHI, S, MAENO, Y, BAN
openaire +3 more sources
Синтез і антимікробна активність гексаметилен-N-малеїнімідопохідних спіроіндол- 3,3’-піроло[3,4-с]піролу [PDF]
, 2017 Aim. To synthesize a series of hexamethylene-N-maleinimidospiroindole-3,3’-pyrrolo[3,4-c]pyrrole derivatives, study the antimicrobial activity of the compounds synthesized and compare their antimicrobial activity with the antimicrobial activity of the ...
Filimonova, N. I. +4 more
core +2 more sources
Green Synthesis and Catalysis, 2021 An uncommon aza-Diels-Alder reaction of electron-deficient azoalkenes and electron-deficient 3-phenacylideneoxindoles was successfully developed for convenient construction of the heterocyclic spirooxindoles.
Wenjing Shi, Jing Sun, Chao-Guo Yan
doaj +1 more source
Molecules, 2018 An ammonium iodide/hydrogen peroxide-mediated intramolecular oxidative amination of 3-aminoalkyl-2-oxindoles was achieved, affording the corresponding 3,2′-pyrrolidinyl spirooxindoles and their 6- or 7-membered analogous in moderate to high yields.
Yu-Ting Gao +6 more
doaj +1 more source
Molecules, 2023 In this research, a metal-free diastereoselective formal 1,3-dipolar cycloaddition of N-2,2,2-trifluoroethylisatin ketimines and cyclopentene-1,3-diones which can efficiently lead to the desymmetrization of cyclopentene-1,3-diones is developed.
Lin-Qiang Li +7 more
doaj +1 more source