The present invention provides a novel fluorenone derivatives represented by the formula: ##STR1## wherein R.sup.a -R.sup.g are defined in the specification, and a method for repairing and protecting central or peripheral nerve degeneration comprising use of a fluorenone derivative represented by the formula: ##STR2## wherein R.sup.1, R.sup.2 p and q are as defined in the specification as an active component.
本发明提供了一种由以下式表示的新型
芴酮衍
生物:##STR1##其中R.sup.a -R.sup.g在说明书中定义,并提供了一种修复和保护中枢或外周神经退化的方法,包括使用由以下式表示的
芴酮衍
生物:##STR2##其中R.sup.1,R.sup.2,p和q如说明书中定义为活性成分。