[EN] POLYMORPHS OF (S)-1-(4,4,6,6,6-PENTADEUTERO-5-HYDROXYHEXYL)-3-7-DIMETHYL-1H-PURINE-2,6(3H,7H)DIONE<br/>[FR] POLYMORPHES DE (S)-1-(4,4,6,6,6-PENTADEUTÉRO-5-HYDROXYHEXYL)-3-7-DIMÉTHYL-1H-PURINE-2,6(3H,7H)DIONE
申请人:CONCERT PHARMACEUTICALS INC
公开号:WO2012031138A2
公开(公告)日:2012-03-08
The present invention provides individual crystalline polymorphs of (S)-1- (4,4,6, 6,6-pentadeutero-5-hydroxyhexyl)-3,7 -dimethyl- 1H-purine-2,6(3H,7H)-dione designated Form 1, Form 2, Form 3 and Form 4. Each polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data ("XRPD"); (b) differential scanning calorimetry ("DSC"); and (e) thermo gravimetric analysis (TGA).