Synthesis of novel 1H-tetrazole derivatives of chitosan via metal-catalyzed 1,3-dipolar cycloaddition. Catalytic and antibacterial properties of [3-(1H-tetrazole-5-yl)ethyl]chitosan and its nanoparticles.
Sign Up to like & getrecommendations! Published in 2019 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2019.03.153
Abstract: New tetrazole derivatives of chitosan with low, moderate, and high degrees of substitution were obtained using a novel approach, i.e. metal-catalyzed 1,3-dipolar cycloaddition of azide ion to cyanoethyl chitosan in water - the most straightforward,… read more here.
Keywords: tetrazole derivatives; derivatives chitosan; dipolar cycloaddition; metal catalyzed ... See more keywords
Copper(I)-Catalyzed 1,3-Dipolar Cycloaddition of Ketonitrones to Dialkylcyanamides: A Step toward Sustainable Generation of 2,3-Dihydro-1,2,4-oxadiazoles
Sign Up to like & getrecommendations! Published in 2017 at "ACS Omega"
DOI: 10.1021/acsomega.7b00130
Abstract: CuI-catalyzed cycloaddition (CA) of the ketonitrones, Ph2C=N+(R′)O– (R′ = Me, CH2Ph), to the disubstituted cyanamides, NCNR2 (R = Me2, Et2, (CH2)4, (CH2)5, (CH2)4O, C9H10, (CH2Ph)2, Ph(Me)), gives the corresponding 5-amino-substituted 2,3-dihydro-1,2,4-oxadiazoles (15 examples) in good… read more here.
Keywords: dihydro oxadiazoles; cycloaddition ketonitrones; catalyzed dipolar; dipolar cycloaddition ... See more keywords
Copper-catalyzed 1,3-Dipolar Cycloaddition of Substituted N-Propargylindoles and Terminal Diazidoalkanes
Sign Up to like & getrecommendations! Published in 2018 at "Russian Journal of General Chemistry"
DOI: 10.1134/s1070363218060361
Abstract: Copper-catalyzed alkyne-azide 1,3-dipolar cycloaddition was studied of substituted N-propargylindoles and diazidoalkanes leading to symmetric conjugates of substituted indoles with bistriazole-containing spacer. read more here.
Keywords: catalyzed dipolar; substituted propargylindoles; dipolar cycloaddition; copper catalyzed ... See more keywords