Substituted dihydro 3-halo-1h-pyrazole-5-carboxylates their...

Details Substituted dihydro 3-halo-1h-pyrazole-5-carboxylates their... Substituted dihydro 3-halo-1h-pyrazole-5-carboxylates their...

C - Chemistry, Metallurgy

07

D

C07D 231/06 (2006.01) A01N 43/56 (2006.01) C07C 251/76 (2006.01) C07D 213/77 (2006.01) C07D 231/08 (2006.01) C07D 231/14 (2006.01) C07D 231/16 (2006.01) C07D 401/04 (2006.01) C07D 413/04 (2006.01) C07D 413/14 (2006.01)

Patent

CA 2454306

This invention relates to a compound of Formula I, a method for its preparation and its use in the preparation of a compound of Formula II wherein R1, R2, R3, X and n are as defined in the disclosure.This invention also discloses preparation of compounds of Formula III wherein R1, R2, R6, R7, R8 and n are as defined in the disclosure.Also disclosed are certain intermediates of Formula 4 for the preparation of compounds of Formula I wherein X is N and R2, R3 and n are as defined in the disclosure.

L'invention concerne un composé de formule (I) ainsi que son procédé de préparation et d'utilisation dans la préparation d'un composé de formule (II). Dans ces formules, R?1¿, R?2¿, R?3¿, X et n sont tels que définis dans la description. L'invention concerne également la préparation de composés de formule (III), dans laquelle R?1¿, R?2¿, R?6¿, R?7¿, R?8¿ et n sont tels que définis dans la description. L'invention se rapporte en outre à des produits intermédiaires de formule (4) pour la préparation de composés de formule (I). Dans la formule (4), X est N et R?2¿, R?3¿ et n sont tels que définis dans la description.

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