| abstract |
The therapeutical use of tricyclic derivatives and pharmaceutically acceptable salts thereof having general formula (I), for treating diseases related to venous function deficiency and/or inflammatory oedema, is disclosed. In general formula (I), A is a sulphur or oxygen atom or a radical R3N where R3 is a hydrogen atom, a C1-5 alkyl radical or an optionally substituted aromatic or heteroaromatic ring; R1 is either a C1-5 alkyl radical, or a radical R4NH where R4 is a hydrogen atom, a C1-5 alkyl radical or an optionally substituted aromatic or heteroaromatic ring, or an aromatic ring optionally substituted by one or more acceptor or donor groupings, or a heteroaromatic ring having one or more heteroatoms and being optionally substituted by acceptor or donor groupings; and R2 is a hydrogen atom, a halogen atom, a C1-5 alkyl radical, an oxygen atom optionally substituted by a C1-5 alkyl radical, or a radical NR5R5', where each of R5 and R5' is independently a hydrogen or oxygen atom or C1-5 monovalent organic radicals. |