unsolvated crystalline form, crystalline toluene monosolvate, crystalline acetone solvate, composition, process for the preparation of crystalline toluene monosolvate, method to obtain crystalline acetone solvate, use of a crystalline form, and transition metal catalyst

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.