Crystalline form of 1,4-bis[1,2-benzisoselenazol-3(2H)-one]-butane, method for preparing same and use thereof
AssigneeShanghai Yuanxi Medicine Corp.
InventorsHuihui Zeng, Hanwei Yin
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Abstract
A crystalline form I of 1,4-BIS[1,2-BENZISOSELENAZOL-3(2H)-one]-butane has characteristic peaks at 2θ angles of 6.17±0.20°, 12.28±0.20°, 18.44±0.20°, 25.92±0.20° and 30.95±0.20° by X-ray powder diffraction using Cu-Kα radiation.
Claims16
A crystalline form of 1,4-BIS[1,2-BENZISOSELENAZOL-3(2H)-one]-butane is a crystalline form I, wherein the crystalline form I has characteristic peaks at 2θ angles of 6.15±0.20°, 12.28±0.20°, 18.44±0.20°, 19.09±0.20°, 22.20±0.20°, 23.68±0.20°, 25.92±0.20°, 27.50±0.20°, 30.95±0.20°, and 32.45±0.20° by X-ray powder diffraction using Cu-Kα radiation.
A crystalline form of 1,4-BIS[1,2-BENZISOSELENAZOL-3(2H)-one]-butane is a crystalline form I, wherein the crystalline form I is a monocrystal having the following monocrystalline properties,
- System
- monoclinic
- Space group
- P21/a
- a (Å)
- 12.000 (1)
- b (Å)
- 4.921 (1)
- c (Å)
- 14.591 (1)
- β (°)
- 97.61 (1).
Dependencies are inferred from the claim text.