Method of producing fr901228
AssigneeAstellas Pharma Inc.
InventorsSatoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu kanda, Tomoji Higaki, Mitsunori Matsuda
Life of this patent
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Abstract
Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.
Claims10
A method comprising:
- providing a type B crystalline form of compound FR901228:
- and
- formulating the type B crystalline form to produce a pharmaceutical composition.
A method comprising:
- providing a crystalline form of compound FR901228:
- which crystalline form is characterized by a powder X-ray diffraction pattern substantially similar to FIG. 5, and
- formulating the crystalline form to produce a pharmaceutical composition.
A method comprising:
- providing a crystalline form of compound FR901228:
- which crystalline form is characterized by having one or more peaks in its powder X-ray diffraction pattern selected from those at about 7.1, about 11.7, about 11.9, and about 15.1 degrees 2-theta, and
- formulating the crystalline form to produce a pharmaceutical composition.
A method comprising:
- subjecting a type B crystalline form of compound FR901228:
- to one or more procedures selected from the group consisting of solvent extraction, concentration under reduced pressure, filtration, pH adjustment, adsorption treatment using an inorganic adsorbent, adsorption treatment using an adsorption resin, crystallization, or a combination thereof.
A method comprising:
- subjecting a crystalline form of compound FR901228:
- which crystalline form is characterized by a powder X-ray diffraction pattern substantially similar to FIG. 5, to one or more procedures selected from the group consisting of solvent extraction, concentration under reduced pressure, filtration, pH adjustment, adsorption treatment using an inorganic adsorbent, adsorption treatment using an adsorption resin, crystallization, or a combination thereof.
A method comprising:
- subjecting a crystalline form of compound FR901228:
- which crystalline form is characterized by having one or more peaks in its powder X-ray diffraction pattern selected from those at about 7.1, about 11.7, about 11.9, and about 15.1 degrees 2-theta, to one or more procedures selected from the group consisting of solvent extraction, concentration under reduced pressure, filtration, pH adjustment, adsorption treatment using an inorganic adsorbent, adsorption treatment using an adsorption resin, crystallization, or a combination thereof.
Dependencies are inferred from the claim text.