Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 3222-47-7, is researched, SMILESS is O=C(O)C1=CN=C(C)C=C1, Molecular C7H7NO2Preprint, ChemRxiv called Catalytic enantioselective pyridine N-oxidation, Author is Hsieh, Sheng-Ying; Tang, Yu; Crotti, Simone; Stone, Elizabeth A.; Miller, Scott J., the main research direction is catalytic enantioselective pyridine nitrogen oxidation.Electric Literature of C7H7NO2.
The catalytic, enantioselective N-oxidation of substituted pyridines is described. The approach is predicated on a biomol.-inspired catalytic cycle wherein high levels of asym. induction are provided by aspartic acid-containing peptides as the aspartyl side chain shuttles between free acid and peracid forms. Desymmetrizations of bis(pyridine) substrates bearing a remote pro-stereogenic center are demonstrated, presenting a new entry into chiral pyridine frameworks in a heterocycle-rich mol. environment. Representative functionalizations of the enantioenriched pyridine N-oxides further document the utility of this approach. Demonstration of the asym. N-oxidation in two venerable drug-like scaffolds, Loratadine and Varenicline, show the likely generality of the method for highly variable and distinct chiral environments, while also revealing that the approach is applicable to both pyridines and 1,4-pyrazines.
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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics