| 摘要 |
<p>The present invention relates to novel indole derivatives of the formula : <CHEM> wherein R<1> is carboxy or protected carboxy, R<2> is hydrogen, lower alkyl or halogen, R<3> is aryl or ar(lower)alkyl, each of which may have suitable substituent(s), or a group of the formula : <CHEM> A is lower alkylene which may be substituted by oxo or lower alkenylene, Q is carbonyl or lower alkylene, X is <CHEM> or <CHEM> in which R<4> is hydrogen or lower alkyl, and R<5> is hydrogen, lower alkyl or Y-Z-R<3>, Y is bond or lower alkylene, Z is lower alkylene, -O- or <CHEM> in which R<6> is hydrogen, lower alkyl, ar(lower)alkyl which may have suitable substituent(s) or amino protective group, and pharmaceutically acceptable salts thereof, which have pharmacological activities such as inhibitory activity on testosteron 5 alpha -reductase and the like, to process for preparation thereof, to a pharmaceutical composition comprising the same and to a use of the same for manufacturing a medicament.</p> |
