Organic Process Research & Development最新文献

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Use of Population Balance Modelling to Derisk Scale-Up of an Integrated Crystallization–Wet Milling Process
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-16 DOI: 10.1021/acs.oprd.4c00390
Tamar Rosenbaum, Andrew Werneth, Shasad Sharif, Troy Wilkens, Benjamin Cohen, Joshua D. Engstrom, Antonio C. Ferretti, Yash Melkeri
{"title":"Use of Population Balance Modelling to Derisk Scale-Up of an Integrated Crystallization–Wet Milling Process","authors":"Tamar Rosenbaum, Andrew Werneth, Shasad Sharif, Troy Wilkens, Benjamin Cohen, Joshua D. Engstrom, Antonio C. Ferretti, Yash Melkeri","doi":"10.1021/acs.oprd.4c00390","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00390","url":null,"abstract":"Control over the particle size distribution (PSD) of the active pharmaceutical ingredient in the crystallization process is of key importance. Sometimes, it can be challenging to control the PSD to the target value via optimization of the crystallization process alone; in these scenarios, high shear wet milling is often utilized to reduce PSD. Much work has been done developing scaling parameters to be able to robustly scale-up wet milling processes and consistently achieve target PSD at the plant/commercial scale. While different scaling parameters have had good success with guiding scale-up of terminal wet milling processes, wet milling while crystallization is ongoing (i.e., integrated crystallization and wet milling; iCWM) introduces additional complexity to the system, as it couples scale-independent growth with scale-dependent milling and is therefore more difficult to scale-up in a reproducible manner. Herein, we present how population balance modeling of an iCWM process indicated that mill size and batch size, in addition to wet mill tip speed, had a large impact on final PSD. The model predictions can be used to guide selection of wet mill tip speed in order to maintain consistent PSD across different batch sizes and mill sizes.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"6 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142833007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overview and Recent Advances in the Purification and Isolation of Therapeutic Oligonucleotides
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-16 DOI: 10.1021/acs.oprd.4c00382
Aljaž Abe, Zdenko Časar
{"title":"Overview and Recent Advances in the Purification and Isolation of Therapeutic Oligonucleotides","authors":"Aljaž Abe, Zdenko Časar","doi":"10.1021/acs.oprd.4c00382","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00382","url":null,"abstract":"Therapeutic oligonucleotides are a novel chemical modality with unique characteristics that offer significant therapeutic potential. With the latest surge in development, they are paving the way to the market at a rapid pace. To support that, scalable and economically sustainable oligonucleotide production is required. The upstream part exploits the well-studied phosphoramidite chemistry, known from the 1960s, using automated synthesis on a solid support. On the other hand, the downstream processing, which consists of purification and isolation steps, has stayed in the shadow of the more thoroughly studied synthesis, even though it is often regarded as the bottleneck of therapeutic oligonucleotide production. Therefore, this review aims to highlight the most important traditional purification and isolation approaches for the production of therapeutic oligonucleotides that ensure product quality, yields, scale, and cost-efficiency as well as newly emerging separation technologies that could become relevant in the future.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"1 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142833006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis, Characterization, and Control Strategies for Cabazitaxel-Related Substances at Scale
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-16 DOI: 10.1021/acs.oprd.4c00414
Amarendhar Manda, Shravan Kumar Komati, Debjit Basu, Gopal Chandru Senadi, Arthanareeswari Maruthapillai, Rakeshwar Bandichhor
{"title":"Synthesis, Characterization, and Control Strategies for Cabazitaxel-Related Substances at Scale","authors":"Amarendhar Manda, Shravan Kumar Komati, Debjit Basu, Gopal Chandru Senadi, Arthanareeswari Maruthapillai, Rakeshwar Bandichhor","doi":"10.1021/acs.oprd.4c00414","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00414","url":null,"abstract":"Cabazitaxel <b>1</b> is an antineoplastic agent belonging to the taxane class and approved for the treatment of hormone-refractory prostate cancer. During the optimization process of cabazitaxel, six related substances were detected using the gradient high-performance liquid chromatography technique. A thorough study was undertaken to identify, prepare, and control these six related substances. The molecular weights were determined by liquid chromatography–mass spectrometry analysis. Using spectroscopic analysis (high-resolution mass spectrometry (HRMS), infrared (IR), and NMR), the structures were determined as an amino alcohol derivative (CRS-1), 7,10-dimethoxy-10-deacetylbaccatin III (CRS-2), an <i>N</i>-formyl-related substance (CRS-3), 7,10,13-trimethoxy-10-deacetylbaccatin III (CRS-4), a DiBOC-related substance (CRS-5), and a process-related intermediate (CRS-6). The mechanistic aspects of the formation, synthesis, and control strategy of the associated substances were examined in detail.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"1 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142833008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Throughput Experimentation Reveals Scope and Limitations of Selective Phosphine Reductants and Enables One-Pot mAb Reduction/Conjugation
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-13 DOI: 10.1021/acs.oprd.4c00343
Marion H. Emmert, Cuixian Yang, Eugene E. Kwan, Rebecca Chmielowski, Bruce Kilgore, Zachary L. VanAernum, Cecilia Bottecchia, Rodell C. Barrientos, Monica Haley, Kelly Raymond, Michael Rauscher, Zachary D. Dunn, Jay Desai
{"title":"High-Throughput Experimentation Reveals Scope and Limitations of Selective Phosphine Reductants and Enables One-Pot mAb Reduction/Conjugation","authors":"Marion H. Emmert, Cuixian Yang, Eugene E. Kwan, Rebecca Chmielowski, Bruce Kilgore, Zachary L. VanAernum, Cecilia Bottecchia, Rodell C. Barrientos, Monica Haley, Kelly Raymond, Michael Rauscher, Zachary D. Dunn, Jay Desai","doi":"10.1021/acs.oprd.4c00343","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00343","url":null,"abstract":"This manuscript describes the detailed evaluation of more than 40 phosphine reductants via automated and nonautomated high-throughput experimentation approaches with the goal of identifying selective reductants for cleaving the disulfide bonds of capped, engineered cysteines in a proprietary monoclonal antibody (mAb). As a point of reference, this study included phosphines that have previously been documented in the literature [4-diphenylphosphino benzoic acid (DPPBA), tris(3-sulfophenyl)phosphine (TSPP), and 3-(diphenylphosphino)benzenesulfonate (diPPBS)]; however, all known reductants showed the formation of undesired side products upon reduction (detectable by IEX), especially at higher phosphine loadings. The high-throughput study also revealed several phosphines with potential for selective reduction that had not been previously studied for this type of transformation. These initial hits were further evaluated with regard to the phosphine/mAb ratio, solubility in aqueous media, and air oxidation behavior. The best phosphine identified (1-(4-(diphenylphosphanyl)benzyl)-1-methylpyrrolidin-1-ium bromide (<b>P10</b>)) was then employed in a sequence of high-throughput studies that established efficient one-pot reduction/conjugation reaction conditions. Overall, the work detailed herein demonstrates how high-throughput experimental design enables rapid and resource-sparing insights into mAb reduction and conjugation reactivity with phosphine-based reductants.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"14 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142816362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of an Inherently Safe and Scalable Nickel-Catalyzed Borylation Process of an Aryl Sulfamate
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-12 DOI: 10.1021/acs.oprd.4c00454
Matthew V. Joannou, Christopher Y. Bemis, Geoffrey E. Purdum, Candice L. Joe, Kyle Eckenroad, Sharla L. Wood, Shasha Zhang, Amy A. Sarjeant, Rebecca A. Green, Jeffrey Nye, Steven R. Wisniewski, Scott A. Savage
{"title":"Development of an Inherently Safe and Scalable Nickel-Catalyzed Borylation Process of an Aryl Sulfamate","authors":"Matthew V. Joannou, Christopher Y. Bemis, Geoffrey E. Purdum, Candice L. Joe, Kyle Eckenroad, Sharla L. Wood, Shasha Zhang, Amy A. Sarjeant, Rebecca A. Green, Jeffrey Nye, Steven R. Wisniewski, Scott A. Savage","doi":"10.1021/acs.oprd.4c00454","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00454","url":null,"abstract":"A safe and scalable synthesis of <b>A</b>, a key aryl boronate ester intermediate toward an immunology asset udifitimod, via a Ni-catalyzed Miyaura borylation is reported. High-throughput experimentation, design of experiment, and reagent stability/compatibility studies were used to optimize the reaction conditions and furnish the borylation of aryl sulfamate <b>B</b> in 80–85% yield and &gt;98% purity/potency. Significant hydrogen off-gassing was observed during the reaction, metal remediation, and crystallization steps of the first-generation process, and efforts were made to quantify, understand, and mitigate this off-gassing to ensure a safe and reliable scale-up. Two multikilogram batches of the process were successfully run to afford <b>A</b> in an average 85% yield, &gt;99% potency, and ≤28 ppm residual Ni. Using the mechanistic learnings from this work, a second-generation process was developed which significantly reduced hydrogen off-gassing at all steps of the process, as well as increasing final yield and reducing process mass intensity. This second-generation process was demonstrated on a 1 kg scale to afford the product in 90% yield, &gt;99% purity/potency, and 50 ppm residual Ni.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"4 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142810039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of an Inherently Safe and Scalable Nickel-Catalyzed Borylation Process of an Aryl Sulfamate
IF 3.1 3区 化学
Organic Process Research & Development Pub Date : 2024-12-12 DOI: 10.1021/acs.oprd.4c0045410.1021/acs.oprd.4c00454
Matthew V. Joannou*, Christopher Y. Bemis, Geoffrey E. Purdum, Candice L. Joe, Kyle Eckenroad, Sharla L. Wood, Shasha Zhang, Amy A. Sarjeant, Rebecca A. Green, Jeffrey Nye, Steven R. Wisniewski and Scott A. Savage, 
{"title":"Development of an Inherently Safe and Scalable Nickel-Catalyzed Borylation Process of an Aryl Sulfamate","authors":"Matthew V. Joannou*,&nbsp;Christopher Y. Bemis,&nbsp;Geoffrey E. Purdum,&nbsp;Candice L. Joe,&nbsp;Kyle Eckenroad,&nbsp;Sharla L. Wood,&nbsp;Shasha Zhang,&nbsp;Amy A. Sarjeant,&nbsp;Rebecca A. Green,&nbsp;Jeffrey Nye,&nbsp;Steven R. Wisniewski and Scott A. Savage,&nbsp;","doi":"10.1021/acs.oprd.4c0045410.1021/acs.oprd.4c00454","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00454https://doi.org/10.1021/acs.oprd.4c00454","url":null,"abstract":"<p >A safe and scalable synthesis of <b>A</b>, a key aryl boronate ester intermediate toward an immunology asset udifitimod, via a Ni-catalyzed Miyaura borylation is reported. High-throughput experimentation, design of experiment, and reagent stability/compatibility studies were used to optimize the reaction conditions and furnish the borylation of aryl sulfamate <b>B</b> in 80–85% yield and &gt;98% purity/potency. Significant hydrogen off-gassing was observed during the reaction, metal remediation, and crystallization steps of the first-generation process, and efforts were made to quantify, understand, and mitigate this off-gassing to ensure a safe and reliable scale-up. Two multikilogram batches of the process were successfully run to afford <b>A</b> in an average 85% yield, &gt;99% potency, and ≤28 ppm residual Ni. Using the mechanistic learnings from this work, a second-generation process was developed which significantly reduced hydrogen off-gassing at all steps of the process, as well as increasing final yield and reducing process mass intensity. This second-generation process was demonstrated on a 1 kg scale to afford the product in 90% yield, &gt;99% purity/potency, and 50 ppm residual Ni.</p>","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"28 12","pages":"4513–4533 4513–4533"},"PeriodicalIF":3.1,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142867914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploration for Chemical Filter Cartridges that Can Reduce Nitrogen Oxides, a Common Factor in the Formation of Nitrosamines
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-12 DOI: 10.1021/acs.oprd.4c00301
Ryota Nomura, Takahiko Taniguchi, Kazuya Suzuoki, Rintaro Yokoi, Kanenao Akasaki, Kyoko Hirai, Osamu Uchikawa
{"title":"Exploration for Chemical Filter Cartridges that Can Reduce Nitrogen Oxides, a Common Factor in the Formation of Nitrosamines","authors":"Ryota Nomura, Takahiko Taniguchi, Kazuya Suzuoki, Rintaro Yokoi, Kanenao Akasaki, Kyoko Hirai, Osamu Uchikawa","doi":"10.1021/acs.oprd.4c00301","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00301","url":null,"abstract":"News of “carcinogenic nitrosamines contained in pharmaceutical products” have made headlines around the world, and risk avoidance measures have been demanded by regulatory bodies as a consequence. However, it is not easy to completely eliminate contamination with nitrosamines because of a wide variety of potential causes of contamination. As a common factor involved in the formation and contamination of nitrosamines, we focused on the extremely small amount of nitrogen oxides in the air and searched for ways to reduce them. As a result, we found that the chemical filter cartridges (made by NIPPON MUKI Co., Ltd.) decreased nitrogen oxides from the tens of parts per billion level to the several ppb levels. We expect that our finding will be used as one useful strategy to control the nitrosation caused by repeated exposure of the drug substances and drug products to small amounts of nitrogen oxides during processing and lead to the supply of safe and reliable pharmaceutical products.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"29 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142816363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust Liquid Chromatography–Mass Spectrometry Determination of Deuterium Isotopologues for Quality Control of Deucravacitinib Using Nominal Mass Instrumentation
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-11 DOI: 10.1021/acs.oprd.4c00361
Cong Bi, Yueer Shi, Wei Ding, James Chadwick, Yan Zha, Su Pan, Paul Foy, Nicola Hulme, Brent Kleintop
{"title":"Robust Liquid Chromatography–Mass Spectrometry Determination of Deuterium Isotopologues for Quality Control of Deucravacitinib Using Nominal Mass Instrumentation","authors":"Cong Bi, Yueer Shi, Wei Ding, James Chadwick, Yan Zha, Su Pan, Paul Foy, Nicola Hulme, Brent Kleintop","doi":"10.1021/acs.oprd.4c00361","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00361","url":null,"abstract":"Deuterated drug molecules are a growing area of interest in the pharmaceutical industry, and controlling isotopologue impurities can be vital due to potential toxicity and efficacy concerns. The limited number of analytical approaches reported for this purpose often relies on high-end instrumentation that is not readily available in quality control (QC) laboratories. We developed and validated a robust liquid chromatography–mass spectrometry (LC–MS) method for the determination of isotopologue impurities in the deuterated drug SOTYKTU (deucravacitinib) using QC-friendly nominal mass LC–MS instruments. The method conditions were systematically evaluated and optimized to ensure key performance attributes, and the method was extended to assess isotopologue impurities in the input material <i>d</i><sub>3</sub>-methylamine hydrochloride via an efficient derivatization procedure. The established conditions demonstrated excellent robustness and reproducibility, facilitating successful transfer from development laboratories to commercial QC laboratories. The successful implementation in the release testing of both input reagent and the final drug substance highlights the practical application of nominal mass LC–MS for the determination of the isotopic purity in pharmaceutical development.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"118 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142810040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust Liquid Chromatography–Mass Spectrometry Determination of Deuterium Isotopologues for Quality Control of Deucravacitinib Using Nominal Mass Instrumentation
IF 3.1 3区 化学
Organic Process Research & Development Pub Date : 2024-12-11 DOI: 10.1021/acs.oprd.4c0036110.1021/acs.oprd.4c00361
Cong Bi*, Yueer Shi, Wei Ding, James Chadwick, Yan Zha, Su Pan, Paul Foy, Nicola Hulme and Brent Kleintop, 
{"title":"Robust Liquid Chromatography–Mass Spectrometry Determination of Deuterium Isotopologues for Quality Control of Deucravacitinib Using Nominal Mass Instrumentation","authors":"Cong Bi*,&nbsp;Yueer Shi,&nbsp;Wei Ding,&nbsp;James Chadwick,&nbsp;Yan Zha,&nbsp;Su Pan,&nbsp;Paul Foy,&nbsp;Nicola Hulme and Brent Kleintop,&nbsp;","doi":"10.1021/acs.oprd.4c0036110.1021/acs.oprd.4c00361","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00361https://doi.org/10.1021/acs.oprd.4c00361","url":null,"abstract":"<p >Deuterated drug molecules are a growing area of interest in the pharmaceutical industry, and controlling isotopologue impurities can be vital due to potential toxicity and efficacy concerns. The limited number of analytical approaches reported for this purpose often relies on high-end instrumentation that is not readily available in quality control (QC) laboratories. We developed and validated a robust liquid chromatography–mass spectrometry (LC–MS) method for the determination of isotopologue impurities in the deuterated drug SOTYKTU (deucravacitinib) using QC-friendly nominal mass LC–MS instruments. The method conditions were systematically evaluated and optimized to ensure key performance attributes, and the method was extended to assess isotopologue impurities in the input material <i>d</i><sub>3</sub>-methylamine hydrochloride via an efficient derivatization procedure. The established conditions demonstrated excellent robustness and reproducibility, facilitating successful transfer from development laboratories to commercial QC laboratories. The successful implementation in the release testing of both input reagent and the final drug substance highlights the practical application of nominal mass LC–MS for the determination of the isotopic purity in pharmaceutical development.</p>","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"28 12","pages":"4380–4391 4380–4391"},"PeriodicalIF":3.1,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142858701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing Industrial Solid-Phase Peptide Synthesis: Integration of Raman Spectroscopy as Process Analytical Technology
IF 3.4 3区 化学
Organic Process Research & Development Pub Date : 2024-12-10 DOI: 10.1021/acs.oprd.4c00432
Michael A. Stager, Carlos Peroza, Julien Villaumie, Christopher Bilham, Cameron Desmond, Marcus Harris, Ramya Sambasivan, Gary Rowe, Lin Chen, Charles Tucker
{"title":"Optimizing Industrial Solid-Phase Peptide Synthesis: Integration of Raman Spectroscopy as Process Analytical Technology","authors":"Michael A. Stager, Carlos Peroza, Julien Villaumie, Christopher Bilham, Cameron Desmond, Marcus Harris, Ramya Sambasivan, Gary Rowe, Lin Chen, Charles Tucker","doi":"10.1021/acs.oprd.4c00432","DOIUrl":"https://doi.org/10.1021/acs.oprd.4c00432","url":null,"abstract":"Peptide therapeutics have exploded in popularity in recent years, motivating the need for advanced manufacturing methods which can be applied across the solid-phase peptide synthesis (SPPS) process. The Food and Drug Administration’s Process Analytical Technology (PAT) initiative offers a platform to implement advanced methods to improve the efficiency and understanding of pharmaceutical manufacturing processes and shows great promise in application toward industrial SPPS. In this work, Raman spectroscopy was used as the main PAT tool to implement methods for on-line and real-time monitoring of the entire SPPS process, from Fmoc removal, to coupling, and through the extensive solvent-washing steps. Raman spectroscopy is a rapid, specific, and nondestructive technique that can provide rich real-time information for SPPS processes and can be used to improve efficiency in solvent use and save process time. Specifically, this work reports on the development of PAT methods for monitoring of amino acid coupling during the coupling stage and residual piperidine concentration during the post-deprotection washing stage of SPPS, to help reduce solvent use and better understand the coupling reaction and its time frame. We show a significant reduction in solvent use is possible by employing Raman spectroscopy along with a partial least squares model to predict the piperidine concentration in real time during continuous wash. In addition, Raman spectroscopy offers a greater understanding of coupling reaction kinetics during SPPS, which could lead to significant improvements in total SPPS process time.","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"21 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142797807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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