A compound which is 6-chloro-7-(4-(4-chloro-2-methoxyphenethylcarbamoyl)-phenoxy)chroman-4-carboxylic acid, or a pharmaceutically acceptable salt thereof. Said compound is either a racemic mixture or a single enantiomer, preferably Enantiomer 2 of 6-chloro-7-(4-(4-chloro-2-methoxyphenethylcarbamoyl)phenoxy)chroman-4-carboxylic acid, or a pharmaceutically acceptable salt thereof, in particular its sodium salt. Said compound for use in treating an immunologic disorder in a mammal.
[EN] METHOD FOR SYNTHESIZING DIARYL ETHER BY REACTING NICKEL/KETONE DOUBLE-CATALYZED HALOGENATED AROMATIC HYDROCARBON WITH ARYLPHENOL<br/>[FR] PROCÉDÉ DE SYNTHÈSE D'ÉTHER DE DIARYLE PAR RÉACTION D'UN HYDROCARBURE AROMATIQUE HALOGÉNÉ CATALYSÉ PAR UN DOUBLE CATALYSEUR NICKEL/CÉTONE AVEC UN ARYLPHÉNOL<br/>[ZH] 一种通过镍 / 酮双催化卤代芳烃与芳基酚反应合成二芳基醚的方法