Cao, Yu published the artcileSelf-[3+2] annulation reaction of pyridinium salts: synthesis of N-indolizine-substituted pyridine-2(1H)-ones, Quality Control of 1885-29-6, the main research area is benzyolmethyl pyridinium bromide cycloaddition; aroyl arylindolizinyl pyridinone preparation; aniline benzyolmethyl pyridinium bromide cycloaddition; benzoyl phenylindolizinylpyridinylideneamino benzonitrile preparation.
A self-[3+2] annulation reaction of pyridinium salts was 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. Addnl., a plausible mechanism for the transformation was proposed.
New Journal of Chemistry published new progress about [3+2] Cycloaddition reaction. 1885-29-6 belongs to class nitriles-buliding-blocks, name is 2-Aminobenzonitrile(Flakes or Chunks), and the molecular formula is C7H6N2, Quality Control of 1885-29-6.
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts