“…Therefore, various hetero-nucleophiles, such as amines, azide, acetate, phosphines, fluoride, have been employed in the sulfenofunctionalization of alkenes. 46…”
Section: Electrophilic Sulfenofunctionalization Of Alkenesmentioning
Alkenes and alkynes are feedstock compounds and key units for many natural products, pharmaceuticals, agrochemicals, and organic functional materials. Hydrofunctionalization and 1,2-difunctionalization of alkenes and alkynes are of the most...
“…Therefore, various hetero-nucleophiles, such as amines, azide, acetate, phosphines, fluoride, have been employed in the sulfenofunctionalization of alkenes. 46…”
Section: Electrophilic Sulfenofunctionalization Of Alkenesmentioning
Alkenes and alkynes are feedstock compounds and key units for many natural products, pharmaceuticals, agrochemicals, and organic functional materials. Hydrofunctionalization and 1,2-difunctionalization of alkenes and alkynes are of the most...
Quinolinones and benzo[c]azepinones are important cores in biologically active molecules. We report the cyclization of N‐substituted propynamides, initiated by readily available electrophilic sulfenylating agent, enabling the synthesis of quinolinones and benzo[c]azepinones in exceedingly simple conditions. The approach shows excellent generality to the substrates and tolerability of functional groups. The anti‐inflammatory effect of the newly synthesized 3‐sulfenyl quinolinone and the 4‐sulfenyl benzo[c]azepinone products are tested, and two compounds are confirmed to have inhibitive effect on TNF‐α expression.
Benzazetidines are a class of N‐heterocycles potentially very interesting for a variety of purposes, including biological applications and drug design. In the past, their high ring strain has hampered the development of trustable, general, and efficient synthetic methodologies for their preparation. In this review article, the aim is to disclose all the literature contributions about the synthesis of these compounds and the study of their reactivity, from the early examples to the most recent synthetic approaches. Recently, there has been a growth of interest for this heterocycle, driven by the publication of novel synthetic methodologies based on palladium‐catalyzed intramolecular C−H amination and organocatalyzed ring‐closure of 2‐(N‐Boc‐anilino)‐α‐ketoesters/amides.
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