Method for preparing esters of halonicotinic acids

Details Method for preparing esters of halonicotinic acids Method for preparing esters of halonicotinic acids

C - Chemistry, Metallurgy

07

D

C07D 213/80 (2006.01) C07D 409/06 (2006.01)

Patent

CA 2203668

The present invention provides a method of preparation of ethyl 6- halonicotinate, wherein said halo is chloro or iodo, which comprises reacting the 6-halonicotinic acid with triethyl orthoacetate, to yield the ethyl-6-halonicotinate.

La présente invention concerne un procédé de préparation d'éthyle 6-halonicotinate dont le halo est chloro ou iodo. Le procédé d'obtention de l'éthyle-6-halonicotinate consiste à faire réagir l'acide 6-halonicotinique avec du triéthyle orthoacétate.

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