Patent ID: 7041661

Claim:
A method of treating multiple sclerosis which comprises administering to a patient having multiple sclerosis a therapeutically effective amount of a compound of Formula I, in which R 1 is a sulphur or selenium atom, R 2 is a hydrogen atom or an alkyl radical, —R 3 —R 4 —R 5 —R 6 — is a chain of formula —CH 2 —CH 2 —CH 2 —CH 2 —, —CH 2 —CH 2 —CH 2 —CO—, —CH 2 —CH 2 —CH 2 —CH(R 8 )—, —CH 2 —CH 2 —CH 2 —Se—, —CH 2 —CH 2 —Se—CH 2 —, —CH 2 —CH 2 —CH 2 —S—, —CH 2 —CH 2 —CH 2 —SO—, —CH 2 —CH 2 —CH 2 —SO 2 —, —CH 2 —CH 2 —CH 2 —O—, —CH 2 —CH 2 —CH 2 —N(R 9 )—, —CH 2 —CH 2 —CO—CH 2 —, —CH 2 —CH 2 —CH(R 8 )—CH 2 —, —CH 2 —CH 2 —S—CH 2 —, —CH 2 —CH 2 —SO—CH 2 —, —CH 2 —CH 2 —SO 2 —CH 2 —, —CH 2 —C(alk)(alk′)—S—CH 2 —, —CH 2 —C(alk)(alk′)—SO—CH 2 —, —CH 2 —C(alk)(alk′)—SO 2 —CH 2 —, —CH 2 —CH(R 10 )—S—CH 2 —, —CH 2 —CH(R 10 )—SO—CH 2 —, —CH 2 —CH(R 10 )—SO 2 —CH 2 —, —CH 2 —CH 2 —O—CH 2 —, —CH 2 —CH 2 —N(R 9 )—CH 2 — or —CH 2 —CO—N(R 9 )—CH 2 —, R 7 is a polyfluoroalkyl or polyfluoroalkoxy radical, R 8 is a hydroxyl radical, R 9 is a hydrogen atom or an alkyl or benzyl radical, R 10 is an alkyl, —CH 2 OH, —COOalk, —COOH or —CONH 2 radical, alk is an alkyl radical, alk′ is an alkyl radical, the alkyl radicals containing 1 to 6 straight- or branched-chain carbon atoms, and, when said compound contains one or more asymmetric centers, its isomers, racemates and enantiomers, and the salts of said compound with an inorganic or organic acid.