A new class of nucleoside analogues were synthesized using cyclic dipeptides and modified 2′-deoxyfuranoribose sugars to introduce flexibility by peptides in place of common nucleoside bases and to determine their biological ...
A novel tandem approach has been demonstrated for the direct synthesis of bioactive 3-aroylimidazo[1,2-a]pyridines from chalcones and 2-aminopyridines. The reported tandem reaction is atom-economical and expected to proceed ...
In a study directed towards development of novel Selective Estrogen Receptor Modulators (SERMs), 1-(4-(2-(dialkylamino)ethoxy)benzyl)-6-(4-hydroxypiperidin-1-yl)-2-naphthol and corresponding aryl methyl ethers were synthesized ...
A facile synthesis of 3-aroylimidazo[1,2-a]pyridine derivatives has been achieved through the one-pot, three-component tandem reaction of acetophenones, arylaldehydes and 2-aminopyridines in the presence of a catalytic ...
A simple, efficient, and mild method for the synthesis of substituted 1,2,4-triazoles from hydrazines and formamide proceeds smoothly under microwave irradiation in the absence of a catalyst and shows excellent functional-group ...
An efficient and facile protocol has been developed for the synthesis of pyrazolo[1,5-a]pyrimidines through the tandem reaction of 3-aminopyrazoles and chalcones in the presence of catalytic amounts of KOH. The reported ...
An efficient one-pot sequential procedure is described for the synthesis of novel azole-fused quinazolines through Pd/Cu co-catalyzed, Ullmann-type coupling followed by cross dehydrogenative coupling of various azoles such ...
An efficient one-pot condensation reaction of imidazo[1,2-a]pyridine/pyrazolo[1,5-a] pyrimidines, aldehydes and acetamide has been investigated using Yb(OTf)3 as a catalyst in 1,4-dioxane. The reaction furnishes good to ...
A novel imidazolium salt-supported Mukaiyama reagent (2-chloropyridinium salt) has been developed and explored as an efficient coupling agent for amide bond formation. The use of an ionic liquid-supported reagent enabled ...
Advances in the last decade for the synthesis of the imidazo[1,2-a]pyridine scaffold from various substrates employing approaches such as multicomponent reactions, tandem processes, rearrangement reactions, inter- and ...
An efficient methodology for the synthesis of indole-fused dihydrothiopyrans has been developed from indoline-2-thiones. The protocol involves the synthesis of conjugated ene-yne-substituted indole-sulfides, a gold(III)-catalyzed ...
An efficient methodology has been developed for the synthesis of quinoxalin-2(1H)-one derivatives of 2-phenylimidazo[1,2-a]pyridines by microwave-irradiated Hinsberg heterocyclization between 2-phenylimidazo[1,2-a]pyridi ...
We report a facile iodine(III)-mediated synthesis of cyanoporphyrins and their DNA photocleavage activity. Cationic-porphyrin 9a showed intercalative binding towards DNA, whereas Zn(II)-cyanoporphyrinate 9b showed outside ...
An ionic liquid functionalized with benzyl azide was synthesized and its synthetic utility was evaluated by scavenging excess alkynes in the synthesis of 2,4-disubstituted quinoline via the Povarov reaction. The ionic ...
A simple and convenient approach is developed for the synthesis of the imidazo[1,2-f]phenanthridine framework via post-functionalization of imidazoles obtained through four-component reactions of 1,2-dicarbonyl compounds, ...
A new series of 2-(3′-indolyl)-N-arylthiazole-4-carboxamides 17a–p has been designed and synthesized. Initial reaction of readily available thioamides 15 with bromopyruvic acid under refluxing conditions produced different ...
A new series of 2-(3′-indolyl)-N-arylthiazole-4-carboxamides 17a–p has been designed and synthesized. Initial reaction of readily available thioamides 15 with bromopyruvic acid under refluxing conditions produced different ...
A metal-free, one-pot, iodine-mediated, microwave-assisted cyclization of 1-(1′-arylvinyl)-2-naphthols (ortho-vinylnaphthols) into 1-arylnaphthofurans is developed. The 1-arylnaphthofurans are isolated in good to excellent ...
A library of π-extended naptho-fused imidazo[1,2-a]pyridines were assembled by a copper-catalyzed cascade reaction using simple starting materials and mild reaction conditions. This protocol has high functional group ...
In(OTf)3 catalyzed microwave-assisted alkenylation of methoxyphenols was investigated. Exclusive formation of either indenes or chromenes was observed depending on the position of the methoxy group on phenol. The structures ...