Disclosed are a novel piperidine compound represented by the general formula [I] below which has an excellent tachykinin receptor antagonizing activity and pharmacologically acceptable salts thereof. [I] In the formula, ring A represents an optionally substituted benzene ring; ring B represents an optionally substituted benzene ring; R
1
represents an optionally substituted hydroxyl group, a thiol group having a substituent, a sulfonyl group having a substituent, or a group represented by the following formula [II]: wherein R
11
represents a carbonyl group having a substituent or a sulfonyl group having a substituent and R
12
represents a hydrogen atom or an optionally substituted alkyl group; R
2
represents a hydrogen atom or the like; Z represents an oxygen atom or a group represented by —N(R
3
)— wherein R
3
represents an optionally substituted alkyl group or the like; R
4a
represents an optionally substituted alkyl group; and R
4b
represents an optionally substituted alkyl group.
本发明公开了一种新型
哌啶化合物,其通式如下[I],具有优异的催吐肽受体拮抗活性和药理学上可接受的盐。其中,环A代表可选取代的苯环;环B代表可选取代的苯环;R1代表可选取代的羟基,具有取代基的
硫醇基,具有取代基的磺酰基或由下式[II]表示的基团:其中,R11代表具有取代基的羰基基团或具有取代基的磺酰基基团,R12代表氢原子或可选取代的烷基基团;R2代表氢原子或类似物;Z代表氧原子或由—N(R3)—表示的基团,其中R3代表可选取代的烷基基团或类似物;R4a代表可选取代的烷基基团;R4b代表可选取代的烷基基团。