Method of producing fr901228
AssigneeAstellas Pharma Inc.
InventorsSatoshi UEDA, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
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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.
Claims16
A type A crystalline form of compound FR901228:
The type A crystalline form of claim I obtained from an ethanol/water mixture.
A type B crystalline form of compound FR901228:
Dependencies are inferred from the claim text.