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- W2950701874 abstract "β-Aminoketones are important intermediates for the synthesis of natural product, γ-aminoalcohol and auxiliaries 1 . The Michael reaction and its modified form such as aza-Michael, thio-Michael and carba-Michael reaction was one of the most exploited reactions in organic chemistry 2 . Michael addition reactions have attracted much attention as the most important carbon-carbon and carbon-heteroatom bond forming reactions. Some bioactive alkaloids, antibiotics and drugs were synthesized via the addition of electrophiles to α,β-unsaturated carbonyl compounds 3 . Although βaminoketones can be prepared by the classical Mannich reaction, it has several drawbacks such as harsh reaction conditions and longer reaction time. Therefore, a variety of methods appeared in the literature for the synthesis of β-aminoketones 4 . In the past few years, alternative procedures have been developed using various Lewis acid-induced reactions. Lewis acids such as AlCl3, TiCl4, SnCl4, CeCl3.7H2O-NaI, LiClO4 and system of clay were used. Interestingly, microwave-assisted chemistry offers new possibilities for the development of any chemical reaction that is thermally possible. It typically produces faster reaction and higher yields, and minimizes the formation of by-products. In addition, there exists the possibility that the reaction that fails under conventional heating could give the desired products under microwave irradiation 5 . Some recently reported examples have included one pot reaction 6" @default.
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- W2950701874 date "2015-06-01" @default.
- W2950701874 modified "2023-09-27" @default.
- W2950701874 title "Synthesis of β-aminoketone by reaction of amine and activated chalcone in microwave irradiation" @default.
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