Authors Wasfy, N; Doan, B; Rasheed, F; Fishlock, D; Orellana, A in AMER CHEMICAL SOC published article about in [Wasfy, Nour; Doan, Brian; Rasheed, Faizan; Orellana, Arturo] York Univ, Dept Chem, Toronto, ON M3J 1P3, Canada; [Fishlock, Dan] F Hoffmann La Roche Ltd, Synthet Mol Tech Dev, Proc Chem & Catalysis, CH-4070 Basel, Switzerland in 2021, Cited 61. Recommanded Product: 614-18-6. The Name is Ethyl nicotinate. Through research, I have a further understanding and discovery of 614-18-6
We report a mild palladium-catalyzed selective dehydrogenation of 4-alkylpyridines that exploits their soft enolization to alkylidene dihydropyridines using allyl chloroformate under metal-free conditions. Treatment of these intermediates with a palladium catalyst liberates an alkylpyridylic anion and an allylpalladium(II) intermediate, which combine and undergo beta-hydride elimination to install a double bond. Importantly, the formation of gas byproducts makes the process very practical. Furthermore, the reaction tolerates a broad range of functional groups, including many that can be dehydrogenated using similar palladium-catalyzed reactions, and is selective for 4-alkylpyridines even in substrates bearing multiple pyridylic positions.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem