Hetero type monodispersed polyethylene glycol, intermediate for production of hetero type monodispersed polyethylene glycol, methods for producing same, and hetero type monodispersed polyethylene glycol conjugate
申请人:TOHOKU TECHNO ARCH CO., LTD.
公开号:US10435509B2
公开(公告)日:2019-10-08
A hetero type monodispersed polyethylene glycol containing a compound represented by the following formula (1):
NH2—(CH2CH2O)a—CH2CH2COOH (1)
(in the formula (1), a represents an integer from 6 to 40);
wherein any of (A) a chromatogram detected by a differential refractometer when the hetero type monodispersed polyethylene glycol is separated using reverse phase chromatography, (B) a chromatogram detected by a differential refractometer when the hetero type monodispersed polyethylene glycol is separated using cation exchange chromatography, and (C) a chromatogram detected by a differential refractometer when the hetero type monodispersed polyethylene glycol containing a compound represented by the formula (1) shown above is derivatized and separated using anion exchange chromatography satisfy specific relational expressions, respectively.
含有下式(1)所代表化合物的杂化型单分散聚乙二醇:
NH2-(CH2CH2O)a-CH2CH2COOH (1)
式(1)中,a 代表 6 至 40 之间的整数);
其中 (A) 使用反相色谱法分离异型单分散聚乙二醇时由差示折光仪检测到的色谱图,(B) 使用阳离子交换色谱法分离异型单分散聚乙二醇时由差示折光仪检测到的色谱图、(C) 当含有上述式(1)所代表化合物的杂类单分散聚乙二醇被衍生化并使用阴离子交换色谱分离时,由差示折射仪检测到的色谱图分别满足特定的关系表达式。