Zn(OTf)2-catalyzed, microwave-promoted synthesis of 2-substituted 5-methyloxazoles from propargylic amides
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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
Organocatalyzed carboxylative cyclization of propargylic amides with atmospheric CO2 towards oxazolidine-2,4-diones
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DOI: 10.1039/c8gc03929a
Abstract: A facile and practical TBD-catalyzed carboxylative cyclization of propargylic amides with atmospheric CO2 has been developed for the formation of (Z) 5-alkylidene 1,3-oxazolidine-2,4-diones. read more here.
Keywords: carboxylative cyclization; amides atmospheric; oxazolidine diones; propargylic amides ... See more keywords