The invention provides melanin-concentrating hormone receptor antagonists containing as the active ingredient piperidine derivatives represented by the general formula [I]:
[wherein R
1
is hydrogen, hydroxyl, lower alkyl, or the like; R
2
, R
3a
, R
3b
, R
4a
, R
4b
, R
5a
, R
5b
and R
6
each stands for hydrogen, halogen, or the like; W
1
and W
2
each independently stands for —O—, —CH
2
—, or the like; Y
1
, Y
2
, Y
3
and Y
4
stand for —CH—, —CF—, —N—, or the like; Z stands for lower alkyl, an aliphatic heterocyclic group, or the like; Ar is a mono- or bi-cyclic aliphatic heterocycle or an aromatic heterocycle; and n is an integer of 1 to 8]. The compounds act as antagonist against melanin-concentrating hormone receptor and are useful as drugs for central diseases, circulatory diseases, or metabolic diseases.
本发明提供一种含有作为活性成分的
吡啶衍生物的
黑色素浓集激素受体
拮抗剂,其通式表示为[I]:[其中R1为
氢、羟基、低级烷基或类似物;R2、R3a、R3b、R4a、R4b、R5a、R5b和R6各自代表
氢、卤素或类似物;W1和W2各自独立地代表—O—、—
CH2—或类似物;Y1、Y2、Y3和Y4代表—CH—、—CF—、—N—或类似物;Z代表低级烷基、脂环族杂环基或类似物;Ar为单环或双环脂环族杂环或芳香族杂环;n为1至8的整数]。这些化合物作为
黑色素浓集激素受体的
拮抗剂,并且可用于中枢疾病、循环系统疾病或代谢性疾病的药物。