Pyrazolidine derivative, radical scavenger, brain-infarction depressant, and brain-edema depressant
申请人:SHISEIDO COMPANY LIMITED
公开号:EP0736526A1
公开(公告)日:1996-10-09
A pyrazolidine derivative or a salt thereof in accordance with the present invention is expressed by the following formula 1:
wherein A represents a group expressed by - CH2-, -CO-, -CS-, -CH2CO-, or -CH=CH-CO-; B represents a group expressed by -O- or -NH-; n is an integer of 1 or 2; R represents an alkenyl group; and R1 and R2 represent a lower alkyl or benzyl group.
The pyrazolidine derivative above mentioned, as a radical scavenger, has antioxidant effect and lipid peroxidation inhibitory activity so as to be available for inhibiting brain infarction or brain edema.
符合本发明的吡唑烷衍生物或其盐由下式 1 表示:
其中 A 代表由-CH2-、-CO-、-CS-、-CH2CO-或-CH=CH-CO-表示的基团;B 代表由-O-或-NH-表示的基团;n 是 1 或 2 的整数;R 代表烯基;R1 和 R2 代表低级烷基或苄基。
上述吡唑烷衍生物作为自由基清除剂,具有抗氧化作用和抑制脂质过氧化活性,可用于抑制脑梗塞或脑水肿。