Improved process for preparing substituted pyridines

Details Improved process for preparing substituted pyridines Improved process for preparing substituted pyridines

C - Chemistry, Metallurgy

07

D

C07D 213/807 (2006.01) C07D 213/133 (2006.01) C07D 213/80 (2006.01) C07D 213/803 (2006.01) C07D 213/85 (2006.01)

Patent

CA 2348373

The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.

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