申请人:——
公开号:US20030181464A1
公开(公告)日:2003-09-25
A class of phenylsulphonyl derivatives of the following formula (I) wherein Z represents halogen, cyano, nitro, trifluoromethyl, trifluoromethoxy, —R
a
, —OR
a
, —SR
a
, —SOR
a
, —SO
2
R
a
, —SO
2
NR
a
R
b
, —NR
a
R
b
, —NR
a
COR
b
, —NR
a
CO
2
R
b
; —COR
a
; —CO
2
R
a
or —CONR
a
R
b
; 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 R
b
independently represent hydrogen of C
1-6
alkyl, or R
a
and R
b
, 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; R
1
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 an 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.
以下式子(I)的苯基磺酰衍生物类,其中Z代表卤素、氰基、硝基、三氟甲基、三氟甲氧基、—Ra、—ORa、—SRa、—SORa、—SO2Ra、—SO2NRaRb、—NRaRb、—NRaCORb、—NRaCO2Rb、—CORa、—CO2Ra或—CONRaRb;或Z代表可选取自呋喃、噻吩、吡咯、噁唑、噻唑、异噁唑、异硫咪唑、咪唑、吡唑、噻二唑、氧嘧啶、硫嘧啶、三唑和四唑的取代五元杂环芳基环;或Z代表可选取自吡啶、吡嗪、嘧啶和吡嗪嗪的取代六元杂环芳基环;Ra和Rb独立地代表氢、C1-6烷基或当通过氮原子连接时,Ra和Rb共同代表氮杂环丙氮、吡咯烷、哌啶或吗啉环的残基;E代表化学键或含有1-4个碳原子的直链或支链烷基链,可选地包含氧原子形成醚键;R1代表可选取代的芳基(C2-4)烷基基团;R2代表氢或卤素,它们是人类5-HT2A受体的选择性拮抗剂,因此在治疗和/或预防中枢神经系统的不良状况,包括精神分裂症和抑郁症方面,是有用的药物。