Heterocyclic- and carbocyclic-substituted benzoic acids and...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 231/10 (2006.01) C07C 63/72 (2006.01) C07C 65/32 (2006.01) C07C 69/76 (2006.01) C07C 205/58 (2006.01) C07C 255/57 (2006.01) C07C 317/44 (2006.01) C07D 231/12 (2006.01) C07D 231/16 (2006.01) C07D 231/18 (2006.01)

Patent

CA 2194771

The disclosure herein relates to the title compounds of formula (I) and salts and esters thereof, wherein X is halogen, C1-6 polyhaloalkyl, C6-10 aryloxy, C1-6 alkoxy or alkylsulfonyl, C4-10 tert-alkyl, NO2 or CN; n is 0-4 and Z is an (un)substituted carbocyclic or heterocyclic ring having up to 8 ring members, said heterocyclic ring containing one or more O, N or S atom(s), in which the ring carbon substituents may be one or more X members and substituents on ring N heteroatoms may be C1-6 (halo)alkyl, hydrogen or an X member, and synthesis thereof by catalytic oxidation of the corresponding alkyl-substituted phenylheterocyclic or carboxylic compound of formula (III) wherein X, n and Z are previously defined.

L'invention concerne les composés de la formule (I) ainsi que des sels et des esters de ces derniers, parmi lesquels X représente halogène, polyhaloalkyle C¿1-6?, aryloxy¿ C¿6-10?, alcoxy ou alkylsulfonyle C¿1-6?, tert-alkyle C¿4-10?, NO¿2? ou CN; n est compris entre 0 et 4 et Z est un noyau carbocyclique ou hétérocyclique (non)substitué ayant jusqu'à 8 chaînons, ledit noyau hétérocyclique contenant un ou plusieurs atome(s) de O, N ou S, dans lequel les substituants de carbone du cycle peuvent représenter un ou plusieurs éléments X et les substituants sur les hétéroatomes N du cycle peuvent représenter (halo)alkyle C¿1-6?, hydrogène ou un élément X. L'invention concerne également la synthèse de ces composés par oxydation catalytique du composé carboxylique ou hétérocyclique phényl substitué par de l'alkyle correspondant, de la formule (III) où x, n et z sont comme définis préalablement.

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