Zn(OTf)2-catalyzed, microwave-promoted synthesis of 2-substituted 5-methyloxazoles from propargylic amides
Sign Up to like & getrecommendations! Published in 2019 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2019.02.011
Abstract: Abstract The versatile conversion of propargylic amides to the respective 2-substituted 5-methyloxazoles was efficiently catalyzed by Zn(OTf)2 (5 mol%) under microwave irradiation in toluene. The method was applicable to a wide range of aliphatic, aromatic and… read more here.
Keywords: catalyzed microwave; substituted methyloxazoles; otf catalyzed; propargylic amides ... See more keywords
A Facile and Catalyst-Free Microwave-Promoted Multicomponent Reaction for the Synthesis of Functionalised 1,4-Dihydropyridines With Superb Selectivity and Yields
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2021.638832
Abstract: We report a highly efficient green protocol for developing a novel library of 1,2,4-triazole-tagged 1,4-dihydropyridine analogs through the one-pot process from the four-component fusion of the 1H-1,2,4-triazol-3-amine with different chosen aldehydes, diethyl acetylenedicarboxylate, and active… read more here.
Keywords: microwave promoted; reaction; free microwave; catalyst free ... See more keywords