USE OF MONO- OR DIKETONE TETRACYCLIC DERIVATIVES, RESULTING NOVEL COMPOUNDS AND THERAPEUTICAL USE THEREOF

摘要

PCT No. PCT/FR96/01974 Sec. 371 Date Sep. 21, 1998 Sec. 102(e) Date Sep. 21, 1998 PCT Filed Dec. 10, 1996 PCT Pub. No. WO97/21709 PCT Pub. Date Jun. 19, 1997Invention concerning the therapeutic use of tetracyclic derivatives and their pharmaceutically acceptable salts having the following general formula: in which, independently of the other: X is a carbon or nitrogen atom, T is a carbon or nitrogen atom, L is an oxygen atom or ketone functional protective group, R1 is an atom of hydrogen, an atom of halogen, or a C1 to C5 alkyl radical, R2 is a hydrogen atom, a halogen atom, a nitro radical, or a C1 to C5 alkyl radical, n and m are equal to 0 or to 1, but not independently of the other, so that if n is equal to 1, then m is equal to 0, and if n is equal to 0, then m is equal to 1.