Composition and method for stabilizing the same
View Patent ↗Disclosed is a novel composition comprising a novel bi-cyclic compound, which is expected to be pharmaceutically active, and a glyceride. The stability of the bi-cyclic compound can be improved significantly by dissolving the same in a glyceride.
1. A bi-cyclic compound represented by the formula:
7-[(1R,3R,6R,7R)-3-(1,1-difluoropentyl)-3-hydroxy-2-oxabicyclo[4.3.0]nonane-8-one-7-yl]heptanoic acid, or a salt, ether, ester or amide thereof, in which the bi-cyclic compound is present in a ratio of substantially 100:0 with respect to its tautomeric monocyclic compound.
2. A bi-cyclic compound represented by the formula:
7-[(1R,6R,7R)-3-[(3S)-1,1-difluoro-3-methylpentyl]-3-hydroxy-2-oxabicyclo[4.3.0]nonane-8-one-7-yl]heptanoic acid or a salt, ether, ester or amide thereof, in which the bi-cyclic compound is present in a ratio of substantially 100:0 with respect to its tautomeric monocyclic compound.
3. The compound of claim 1 , in which the bi-cyclic compound is:
7-[(1R,3R,6R,7R)-3-(1,1-difluoropentyl)-3-hydroxy-2-oxabicyclo [4.3.0]nonane-8-one-7-yl]heptanoic acid.
4. The compound of claim 2 , in which the bi-cyclic compound is:
7-[(1R,6R,7R)-3-[(3S)-1,1-difluoro-3-methylpentyl]-3-hydroxy-2-oxabicyclo[4.3.0]nonane-8-one-7-yl]heptanoic acid.