C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/242, 260/328
C07D 409/12 (2006.01) A61K 31/38 (2006.01) C07D 311/04 (2006.01) C07D 311/12 (2006.01) C07D 311/14 (2006.01) C07D 311/16 (2006.01) C07D 311/18 (2006.01) C07D 311/22 (2006.01) C07D 311/86 (2006.01) C07H 17/04 (2006.01) C07H 17/07 (2006.01) C07H 17/075 (2006.01)
Patent
CA 2024476
The present invention relates, by way of novel industrial products, to the benzopyranone-.beta.-D-thioxyloside compounds of the formula (see formula I) in which: - one of the substituents R or R' is an oxygen atom double-bonded to the corresponding cyclic carbon atom and the other is a group R1, - the symbol ~~~ represents a double bond conjugated to the CO group provided by one of the substituents R or R', - X is a sulfur atom or an oxygen atom, - R1 and R2, which are identical or different, are each a hydrogen atom, a C1-C4 alkyl group, a halogen atom, a trifluoromethyl group or a phenyl group, it being possible for R1 and R2, taken together, to form a 7,8,9,10-tetrahydrodibenzo[b,d]pyran-6-one group or a 1,2,3,4-tetrahydro-9H-xanthen-9-one group with the benzopyranone group to which they are bonded, and - Y is the hydrogen atom or an aliphatic acyl group. These compounds are useful in therapy, especially as venous antithrombotics.
Barberousse Veronique
Bellamy Francois D.
Millet Jean
Renaut Patrice
Samreth Soth
Fournier Industrie Et Sante
Macrae & Co.
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