Product Details of 497-25-6, Career opportunities within science and technology are seeing unprecedented growth across the world, and those who study chemistry or another natural science at university now have increasingly better career prospects. In a article, 497-25-6, molcular formula is C3H5NO2, introducing its new discovery.
The [2+2] cycloaddition of ynamides with the highly polarized reagent Tf2C=CH2has been developed to regioselectively afford bis(triflyl)aminocyclobutenes in the absence of catalyst under mild conditions. Incidentally, with the ynamides bearing electron-rich aromatic rings at the C-terminal, an interesting reactivity switch was observed; a cyclization/hydroxylation sequence yielded 2-amino-3-(triflyl)cyclobut-2-enols. Aminocyclobutene construction with addition of alcohols resulted in the formation of aminocyclobutenyl ethers through a cyclization/hydroalkoxylation process. Moreover, the utility of functionalized aminocyclobutenes as precursors for further elaboration was demonstrated with the preparation of alpha-amino-beta,gamma-unsaturated ketones and 3-(triflyl)buta-1,3-dien-2-amines through 4 pi-electrocyclic ring opening.
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H284NO – PubChem