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DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart,...
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奥拉帕里布工艺开发采用设计质量 (QbD) 原则

Amarendhar Manda1,2, Shravan Kumar Komati1,2, Sekhar Munaswamy Nariyam2

  • 1Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India.

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这项研究使用设计质量 (QbD) 和实验设计 (DoE) 优化了Olaparib制造过程. QbD方法成功确定了关键参数,导致了更绿色,更高效的Olaparib合成.

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科学领域:

  • 制药化学 制药化学 制药化学
  • 过程化学 过程化学
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 奥拉巴里布是癌症治疗中关键的PARP抑制剂.
  • 优化其合成对于持续的药物供应和成本效益至关重要.
  • 现有的制造工艺可能缺乏效率和环境可持续性.

研究的目的:

  • 使用设计质量 (QbD) 优化Olaparib制造过程.
  • 识别和控制关键材料属性 (CMA) 和关键过程参数 (CPP).
  • 为Olaparib开发一个强大的和更绿色的合成路线.

主要方法:

  • 设计质量 (QbD) 方法的应用.
  • 多变量实验设计,包括选实验设计 (DOE) 和I-最佳设计.
  • 风险评估以确定关键的材料属性和过程参数.
  • 为流程优化和设计空间定义进行统计分析.

主要成果:

  • 在化,脱保护和乙化步骤中获得高产量 (95%,91%,75%) 和纯度 (>99%).
  • 成功确定并定义了Olaparib合成的设计空间.
  • 建立了一个强大的流程,确保一致的产品质量.
  • 与以前的方法相比,开发了一个更环保的Olaparib制造工艺.

结论:

  • QbD方法有效地优化了Olaparib合成过程.
  • 识别和控制CMA和CPP对于一致的API质量至关重要.
  • 开发的更绿色的工艺为Olaparib生产提供了一个可持续的替代方案.
  • 这种系统的方法确保了可靠的Olaparib制造,从开发到商业规模.