[EN] PHENYLSULPHONYLPIPERAZINYL DERIVATIVES AS 5-HT RECEPTOR LIGANDS<br/>[FR] DERIVES DE PHENYLSULFONYLPIPERAZINYLE COMME LIGANDS DE RECEPTEUR 5-HT
申请人:MERCK SHARP & DOHME
公开号:WO2001074797A1
公开(公告)日:2001-10-11
A class of phenylsulphonyl derivatives of the following formula (I) wherein Z represents halogen, cyano, nitro, trifluoromethyl, trifluoromethoxy, -R?a, -ORa, -SRa, -SORa, -SO¿2Ra, -SO2NR?aRb, -NRaRb, -NRaCORb, -NRaCO¿2R?b; -CORa; -CO¿2Ra or -CONRaRb; or Z represents an optionally substituted five-membered heteroaromatic ring selected from furan, thiophene, pyrrole, oxazole, thiazole, isoxazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole and tetrazole; or Z represents an optionally substituted six-membered heteroaromatic ring selected from pyridine, pyrazine, pyrimidine and pyridazine; R?a and Rb¿ independently represent hydrogen of C¿1-6? alkyl, or R?a and Rb¿, when linked through a nitrogen atom, together represent the residue of an azetidine, pyrrolidine, piperidine or morpholine ring; E represents a chemical bond or a straight or branched alkylene chain containing from 1 to 4 carbon atoms, optionally incorporating an oxygen atom to form an ether linkage; R1 represents an optionally substituted aryl(C¿2-4?)alkyl group; and R?2¿ represents hydrogen or halogen, which are selective antagonists of the human 5-HT¿2A? receptor and are therefore useful as pharmaceutical agents, especially in the treatment and/or prevention of adverse conditions of the central nervous system, including schizophrenia and depression.