Visible‐Light Induced and PIFA Enabled [4+2] Annulation of Alkenes with N‐Aryl Substituted Hydroxamic Acids
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DOI: 10.1002/ejoc.202400683
Abstract: In this paper, we reported a facial approach for the preparation of benzo[c][1,2]oxazine scaffolds via visible light induced phenyl iodine bis(trifluoroacetate) (PIFA) oxidative [4+2] annulation of vinyl benzenes with N‐aryl substituted hydroxamic acids. In the… read more here.
Keywords: annulation; hydroxamic acids; visible light; aryl substituted ... See more keywords
Visible-light-promoted N–H functionalization of O-substituted hydroxamic acid with diazo esters
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DOI: 10.1039/d3ra02407e
Abstract: Herein we report an N–H functionalization of O-substituted hydroxamic acid with diazo esters under blue LED irradiation conditions. The present transformations could be performed efficiently under mild conditions without use of catalyst, additive and N2… read more here.
Keywords: substituted hydroxamic; acid diazo; functionalization substituted; diazo esters ... See more keywords