Amide compounds and use of the same

An amide compound of the formula (I):

• wherein;
• R is a piperazinyl optionally substituted by lower alkyl, a piperidyl optionally substituted by lower alkyl or an amino
• wherein amino is optionally substituted by lower alkyl;
• A is a linear alkylene;
• X is an oxygen atom, a sulfur atom, —NH— or —CH2—;
• M is an arylene;
• R1, R2, R3 and R4 are the same or different and each is a hydrogen atom, provided at least one of R1, R2, R3 and R4 is not a hydrogen atom, a hydroxy, a halogen atom, or —O—CO—R11″′ wherein R11″′ is lower alkyl optionally substituted by a substituent selected from the group consisting of amino, acyloxy and benzyloxycarbonyl, or phenyl optionally substituted by lower alkyl;
• R5 is a hydrogen atom;
• m is 1;
• R6 is a phenyl and
• R7 is —COO—R12′″
• wherein R12′″ is hydrogen atom, aralkyl, adamantyl, cyclohexylideneamino,
• cyclohexyl optionally substituted by lower alkyl, piperidyl optionally substituted by lower alkyl, or alkyl optionally substituted by a substituent selected from the group consisting of hydroxy, lower alkoxy, lower alkoxy lower alkoxy, lower alkoxycarbonyl, acyloxy, piperazinyl and amino optionally substituted by lower alkyl;
• or a pharmaceutically acceptable acid addition salt thereof.