Process for the preparation of mixtures of trifluoroacetyl glatiramer acetate using purified hydrobromic acid
申请人:Teva Pharmaceutical Industries Ltd.
公开号:EP2177528A1
公开(公告)日:2010-04-21
The Subject invention provides an improved process for obtaining a mixture of polypeptides having nonuniform amino acid sequences, where each polypeptide consists essentially of alanine, glutamic acid, tyrosine and lysine where the resulting mixture of polypeptides comprises less than 0.3% brominated tyrosine and less than 1000 ppm metal ion impurities.
本发明提供了一种改进的工艺,用于获得具有不均匀氨基酸序列的多肽混合物,其中每个多肽基本上由丙氨酸、谷氨酸、酪氨酸和赖氨酸组成,所得到的多肽混合物中溴化酪氨酸含量低于 0.3%,金属离子杂质含量低于 1000 ppm。