AN AMORPHOUS SOLID FORM OF SUVOREXANT WITH SULPHURIC ACID

摘要

The invention relates to a novel, physically stable, solid form of suvorexant, chemically [(7R)- 4-(5-chloro- 1,3 -benzoxazol-2-yl)-7-methyl- 1,4-diazepan- 1 -yl] [5-methyl- 2-(2H-l,2;3-triazol-2-yl)phenyl]methanone with sulphuric acid, methods of its preparation and a physically stable pharmaceutical composition containing this solid form.