title: Synthesis of 2-substituted 3-nitro-1,2-dihydropyridines by heterocyclic annulation reactions of a sec-nitrodienamine with aldehyde compounds.
abstract: The reaction of a sec-nitrodienamine 3 with aldehyde compounds afforded 2-substituted 3-nitro-1,2-dihydropyridines 5, providing a heterocyclic annulation reaction.
authors.affiliation: Showa Pharmaceutical University, Machida, Tokyo, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Koike
authors.forename: Y
authors.initials: Y
authors.lastname: Shinohara
authors.forename: N
authors.initials: N
authors.lastname: Ishibashi
authors.forename: N
authors.initials: N
authors.lastname: Takeuchi
authors.forename: S
authors.initials: S
authors.lastname: Tobinaga
mesh_terms: D000447:Aldehydes / Q000737:chemistry*; D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D009574:Nitro Compounds / Q000737:chemistry*; D011725:Pyridines / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared
chemical_list: D000447:Aldehydes; D007202:Indicators and Reagents; D009574:Nitro Compounds; D011725:Pyridines