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Page 1: ChemInform Abstract: Selective Synthesis of 2-Substituted Pyridine N-Oxides via Directed ortho-Metallation Using Grignard Reagents

www.cheminform.wiley-vch.de

Pyridine derivativesR 0380 Selective Synthesis of 2-Substituted Pyridine N-Oxides via Directed ortho-Metal-

lation Using Grignard Reagents. — The intermediates can be trapped with various electrophiles such as aldehydes, ketones, isocyanates and halogens. — (ANDERSSON, H.; GUSTAFSSON, M.; OLSSON, R.; ALMQVIST*, F.; Tetrahedron Lett. 49 (2008) 48, 6901-6903; Dep. Chem., Umeaa Univ., S-901 87 Umeaa, Swed.; Eng.) — Mais

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ChemInform 2009, 40, issue 10 © 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

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c...Grignard in 1899 eflected the Grignard reaction by treating methylheptenone with methyl iodide and Magnesium and got the corresponding dlmethylheptenol. In 1900, Grignard divided

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PROCESSO SELETIVO DE ACESSO À EDUCAÇÃO … · (x)=k. Calcule log 27 1 (x). ... Grignard + haleto orgânico → hidrocarbonetos longos III - Grignard + formaldeídos / hidrólise

ChemInform Sheet A4 · 2013. 9. 13. · The ChemInform Reaction Library (CIRX) helps to deal with the enormous number of published reactions as it does not cover all information available