| abstract |
This invention relates to indole derivatives of general formula (1) and salts thereof, a method for preparing same, and applications thereof in the prevention and treatment of nephritis, wherein R represents hydrogen, cyano or one of various other substituents, l is an integer of 1 or 2, R1 represents hydrogen, one of various substituents or a group of formula (2) (wherein A represents a single bond, -CH(OH)-, -CH=, -C(=O)- or alkyl, and R?2, R3, R4, R5 and R6¿ each represents one of various substituents), and Z represents hydrogen or a group of formula (2) provided that R1 represents a group of formula (2) when Z represents hydrogen. |