2,6-Dichloroisonicotinic acid → HCID 86670744, compound

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Reaction Steps

The title compound was prepared in analogy to example 90, from N-methyl-4-o-tolylpyridin-3-amine (example 1, intermediate a) and 2,6-dichloro-isonicotinic acid (CAS RN 5398-44-7) after a reaction time of 18 hours. The compound was purified by silica gel chromatography on a 50 g column using a MPLC system eluting with EtOAc (isocratic). The product-containing fractions were pooled and evaporated to give a colorless foam. The foam was dissolved in EtOAc and washed three times with 2M aqueous Na2CO3 solution and brine, dried over MgSO4, filtered and evaporated. Colorless foam (13%). MS (ESI): m/z=372.07 [M+H]+.

Provenance & Evidence