Self-[3+2] annulation reaction of pyridinium salts: synthesis of N-indolizine-substituted pyridine-2(1H)-ones?
New Journal of Chemistry Pub Date: 2022-08-11 DOI: 10.1039/D2NJ03232E
Abstract
A self-[3+2] annulation reaction of pyridinium salts has been developed for the synthesis of N-indolizine-substituted pyridine-2(1H)-ones. This protocol was carried out under mild reaction conditions without any precious catalysts in generally moderate to good yields. Additionally, a plausible mechanism for the transformation was proposed.
![Graphical abstract: Self-[3+2] annulation reaction of pyridinium salts: synthesis of N-indolizine-substituted pyridine-2(1H)-ones](http://scimg.chem960.com/usr/1/D2NJ03232E.jpg)
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Journal Name：New Journal of Chemistry
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CAS no.: 89640-58-4
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