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BIFC and QFC Promoted Rapid and Cleaner Aromatization of 1,4-Dihydropyridines under Solvent-Free Condition.

✍ Scribed by Vajiravelu Sivamurugan; Ajayan Vinu; Valiyaveettil Suresh; Muthaiyahpillai Palanichamy; Velayutham Murugesan

Publisher
John Wiley and Sons
Year
2007
Weight
27 KB
Volume
38
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

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πŸ“œ SIMILAR VOLUMES

BIFC and QFC promoted rapid and cleaner
BIFC and QFC promoted rapid and cleaner aromatization of 1,4-dihydropyridines under solvent-free condition
✍ Vajiravelu Sivamurugan; Velayutham Murugesan; Valiyaveettil Suresh; Muthaiyahpil πŸ“‚ Article πŸ“… 2007 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 310 KB

## Abstract magnified image This communication expresses aromatisation of 1,4‐dihydropyridines to pyridine derivatives with the help of alumina supported benzimidazolium fluorochromate (BIFC) and quinolinium fluorochromate (QFC) as oxidants under solvent‐free microwave irradiation. Moderate to exc

Aromatization of 1,4-dihydropyridines in
Aromatization of 1,4-dihydropyridines in the presence of methanesulfonic acid/NaNO2/wet SiO2 under both heterogeneous and solvent free conditions
✍ Khodabakhsh Niknam; Seyed Mehdi Razavian; Mohammah Ali Zolfigol; Iraj Mohammahpo πŸ“‚ Article πŸ“… 2006 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 90 KB

## Abstract magnified image A combination of methanesulfonic acid and sodium nitrite in the presence of wet SiO~2~ was used as an effective oxidizing agent for the oxidation of 1,4‐dihydropyridines to the corresponding pyridine derivatives under mild and heterogeneous conditions in excellent yield