CRYSTALLINE SOLVATE AND NON-SOLVATED FORMS OF 6,6'-3,3',5,5'-TETRAKIS(1,1-DIMETHYLETHYL)-1,1'-BIPHENYL-2,2'-DIYLBIS(OXY)BIS-DIBENZO D,F1,3,2-DIOXAPHOSPHEPINE

摘要

The present invention relates to a crystalline non-solvated form of 6,6'-[[3,3',5,5'-tetrakis(1,1-dimethylethyl)-[1,1'-biphenyl]-2,2'-diyl]bis(oxy)]bis-dibenzo [d,f] [1,3,2]-dioxaphosphepine (compound I) and toluene-solvates and acetone-solvates thereof.