The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Bifunctional N-aminopyridinium reagents enable C-H amination, olefin carboamination cascades, the main research direction is bifunctional aminopyridinium reagent carbon hydrogen amination; tetrahydroisoquinoline preparation olefin carboamination aminopyridinium.Application of 57825-30-6.
C-H amination reactions provide streamlined access to nitrogen-containing small mols. Here, we disclose benzylic C-H amination with N-aminopyridiniums, which are bifunctional reagents that provide avenues for further diversification. Reductive activation of the incipient N-N bonds unveils electrophilic N-centered radicals, which can be engaged by nucleophilic partners such as olefins, silyl enol ethers, and electron-rich eterocycles. We highlight the synthetic potential of these sequences in the synthesis of tetrahydroisoquinolines, which are important heterocycles in mol. therapeutics, via anti-Markovnikov olefin carboamination. Unlike many C-H amination reactions that provide access to protected amines, the current method installs an easily diversifiable synthetic handle that serves as a lynchpin for C-H amination, deaminative N-N functionalization sequences.
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Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider