Manganese Triacetate Mediated Oxidation of Hantzsch 1,4-Dihydropyridines to Pyridines. -Alkyl, aryl, styryl, and heterocyclic substituents at the 4-position are tolerated in the practical and general method presented (11 examples). Reactions in several other solvents are very slow. A mechanism is d
✦ LIBER ✦
A Novel Oxidation—Ring-Contraction of Hantzsch 1,4-Dihydropyridines to Polysubstituted Furans.
✍ Scribed by Zhengang Liu; Wei Yu; Li Yang; Zhong-Li Liu
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 21 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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## Abstract magnified image An easy, safe, effective and handy method for oxidative aromatization of Hantzsch 1,4‐dihydropyridines catalyzed by hypervalent iodine (iodosobenzene) and potassium bromide to corresponding pyridine derivatives in high‐yields and within short span of time was described.
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