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ChemInform 2010, 41, issue 48 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Pyridine derivatives R 0380 DOI: 10.1002/chin.201048125 Synthesis of Substituted 4-Pyridones and 4-Aminopyridinium Salts via a One-Pot Pyridine Synthesis. — Addition of Grignard reagents to N-oxides (I) provides pyri- dines (III) which are further converted into pyridones (V) and 4-aminopyridinium salts (VI) upon treatment with NaOH and NH 3 , respectively. — (ANDERSSON, H.; DAS, S.; GUSTAFSSON, M.; OLSSON, R.; ALMQVIST*, F.; Tetrahedron Lett. 51 (2010) 32, 4218-4220, DOI:10.1016/j.tetlet.2010.06.019 ; Dep. Chem., Umea Univ., S-901 87 Umea, Swed.; Eng.) — Mais 48- 125

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Page 1: ChemInform Abstract: Synthesis of Substituted 4-Pyridones and 4-Aminopyridinium Salts via a One-Pot Pyridine Synthesis

www.cheminform.wiley-vch.de

Pyridine derivativesR 0380 DOI: 10.1002/chin.201048125

Synthesis of Substituted 4-Pyridones and 4-Aminopyridinium Salts via a One-Pot Pyridine Synthesis. — Addition of Grignard reagents to N-oxides (I) provides pyri-dines (III) which are further converted into pyridones (V) and 4-aminopyridinium salts (VI) upon treatment with NaOH and NH3, respectively. — (ANDERSSON, H.; DAS, S.; GUSTAFSSON, M.; OLSSON, R.; ALMQVIST*, F.; Tetrahedron Lett. 51 (2010) 32, 4218-4220, DOI:10.1016/j.tetlet.2010.06.019 ; Dep. Chem., Umea Univ., S-901 87 Umea, Swed.; Eng.) — Mais

48- 125

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