CN103694319B — 一种布舍瑞林的纯化方法
Assigned to Hybio Pharmaceutical Co Ltd · Expires 2018-02-27 · 8y expired
What this patent protects
本发明涉及一种布舍瑞林的纯化方法。具体而言,所述方法包括:以体积比5%—30%的甲醇水溶液溶解粗肽;将粗肽溶液进行梯度洗脱纯化,以体积比0.1%—0.4%的硫酸和体积比0.1%—0.4%高氯酸的水溶液用三乙胺调pH值5.5—6.5后的溶液为A相,乙腈为B相,梯度:B%:10%—40%洗脱;在十八烷基硅烷键合硅胶色谱柱上采用色谱法将梯度洗脱后的样品转盐和脱盐,以0.1‑0.6%(w/v)醋酸铵水溶液为A相,乙腈为B相,梯度:B%为3%—10%的梯度或等度冲洗15‑30分钟后,然后用醋酸水溶液乙腈体系洗脱。
USPTO Abstract
本发明涉及一种布舍瑞林的纯化方法。具体而言,所述方法包括:以体积比5%—30%的甲醇水溶液溶解粗肽;将粗肽溶液进行梯度洗脱纯化,以体积比0.1%—0.4%的硫酸和体积比0.1%—0.4%高氯酸的水溶液用三乙胺调pH值5.5—6.5后的溶液为A相,乙腈为B相,梯度:B%:10%—40%洗脱;在十八烷基硅烷键合硅胶色谱柱上采用色谱法将梯度洗脱后的样品转盐和脱盐,以0.1‑0.6%(w/v)醋酸铵水溶液为A相,乙腈为B相,梯度:B%为3%—10%的梯度或等度冲洗15‑30分钟后,然后用醋酸水溶液乙腈体系洗脱。
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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