Department of Chemistry
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Item Click chemistry inspired structural modification of azole antifungal agents to synthesize novel ‘drug like’ molecules(Elsiever, 2012-12-12) Khungar, Bharti; Kumar, AnilA new class of ‘drug like’ 1,4-disubstituted-1,2,3-triazoles is synthesized using one-pot reaction of sodium azide, α-bromo ketones, and alkynes in PEG-400/water (1:1, v/v) under the click chemistry reaction condition followed by reduction of keto group and alkylation. The method is simple, efficient and gives good yield of novel 1,2,3-triazole derivatives.Item A facile and regioselective synthesis of 1,4-disubstituted 1,2,3-triazoles using click chemistry(Elsiever, 2009-05) Kumar, DalipThe reaction of α-tosyloxy ketones, sodium azide, and terminal alkynes in presence of copper(I) in aqueous polyethylene glycol afforded regioselectively 1,4-disubstituted 1,2,3-triazoles in good yield at ambient temperature. The one-pot exclusive formation of 1,4-disubstituted 1,2,3-triazoles involves in situ formation of α-azido ketones, followed by cycloaddition reaction with terminal alkyne. The generality of this one-pot method was demonstrated by synthesizing an array of diverse 1,4-disubstituted 1,2,3-triazoles.