Halogenation of protected phenols in meta position

Details Halogenation of protected phenols in meta position Halogenation of protected phenols in meta position

C - Chemistry, Metallurgy

07

C

C07C 25/02 (2006.01) C07B 39/00 (2006.01) C07C 39/27 (2006.01) C07C 69/017 (2006.01) C07C 69/62 (2006.01) C07C 303/30 (2006.01) C07F 9/12 (2006.01) C07C 309/66 (2006.01)

Patent

CA 2369395

The invention concerns a halogenation in position meta of a phenol function. Said halogenation comprises a step which consists in halogenating an aromatic derivative of a medium or advantageously strong acid, the aromatic radical being a phenyl substituted in ortho and in para by functions attracting electrons by inductive effect. The invention is applicable to organic synthesis.

La présente invention vise une halogénation en position méta d'une fonction phénol. Cette halogénation comporte une étape d'halogénation d'un dérivé aromatique d'un acide moyen ou avantageusement fort, le reste aromatique étant un phényle substitué en ortho et en para par des fonctions électroattractrices par effet inducteur. Application à la synthèse organique.

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