NEUROTROPHIC SESQUITERPENE-NEOLIGNANS FROM MAGNOLIA-OBOVATA - STRUCTURE AND NEUROTROPHIC ACTIVITY

被引:75
作者
FUKUYAMA, Y [1 ]
OTOSHI, Y [1 ]
MIYOSHI, K [1 ]
NAKAMURA, K [1 ]
KODAMA, M [1 ]
NAGASAWA, M [1 ]
HASEGAWA, T [1 ]
OKAZAKI, H [1 ]
SUGAWARA, M [1 ]
机构
[1] OTSUKA PHARMACEUT CO LTD,KAGASUNO,TOKUSHIMA 77101,JAPAN
关键词
D O I
10.1016/S0040-4020(01)89002-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Novel sesquiterpene-neolignans, audesobovatols A (1) and B (2) cudesmagnolol (3), eudeshonokiols A (4) and B (5), clovanemagnolol (6), and caryolanemagnolol (7), have been isolated from the bark of Magnolia obovata. Their structures were elucidated to be sesquiterpenes (eudesmol, 4,4,8-trimethyltricyclo [6.3.1.0(2,5)] dodecane-1,9-diol, and clovanediol) combined through ether bond with neolignans such as obovatol, honokiol, and magnolol on the basis of spectral data, degradation, and/or synthesis. Compounds I, 6, and 7 were found to exhibit interesting neurotrophic activity on a neuronal cell culture system derived from fetal rat hemisphere.
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收藏
页码:377 / 392
页数:16
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