CN Patent

CN103641894B — 一种治疗库欣病的多肽药物的制备方法

Assigned to Hybio Pharmaceutical Co Ltd · Expires 2015-10-28 · 11y expired

What this patent protects

本发明属于药物化学技术领域,公开了一种治疗库欣病的多肽药物的制备方法,具体说是一种帕瑞肽的制备方法。所述制备方法以Fmoc-Lys-OAll为原料,采用纯固相合成的方法先偶联得到Fmoc-Pro(4-OH)-Phg-D-Trp(Boc)-Lys(CTC)-OAll,然后在不脱除Fmoc保护基的前提下先与Boc-NH-C 2 H 4 -NH-COOH偶联合成侧链氨基酸,再依次偶联Fmoc保护的氨基酸,最后脱除C端的保护基团-All后环化得到帕瑞肽树脂裂解纯化得到帕瑞肽。与现有技术相比,本发明所述制备方法原料易得,反应步骤少、帕瑞肽的收率高、适合于帕瑞肽的大…

USPTO Abstract

本发明属于药物化学技术领域,公开了一种治疗库欣病的多肽药物的制备方法,具体说是一种帕瑞肽的制备方法。所述制备方法以Fmoc-Lys-OAll为原料,采用纯固相合成的方法先偶联得到Fmoc-Pro(4-OH)-Phg-D-Trp(Boc)-Lys(CTC)-OAll,然后在不脱除Fmoc保护基的前提下先与Boc-NH-C 2 H 4 -NH-COOH偶联合成侧链氨基酸,再依次偶联Fmoc保护的氨基酸,最后脱除C端的保护基团-All后环化得到帕瑞肽树脂裂解纯化得到帕瑞肽。与现有技术相比,本发明所述制备方法原料易得,反应步骤少、帕瑞肽的收率高、适合于帕瑞肽的大规模生产,并且制得的帕瑞肽纯度高。

Drugs covered by this patent

Patent Metadata

Patent number
CN103641894B
Jurisdiction
CN
Classification
Expires
2015-10-28
Drug substance claim
No
Drug product claim
No
Assignee
Hybio Pharmaceutical Co Ltd
Source
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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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