Javier Izquierdo-Ferrer, Mary E Bellizzi, Noah Tu, Andrew Bogdan, Ying Wang
{"title":"A Miniaturized Chemical High Throughput Experimentation Plate to Enable Late-Stage Oxidation Screening and Scale-up.","authors":"Javier Izquierdo-Ferrer, Mary E Bellizzi, Noah Tu, Andrew Bogdan, Ying Wang","doi":"10.1021/acsmedchemlett.5c00175","DOIUrl":"10.1021/acsmedchemlett.5c00175","url":null,"abstract":"<p><p>Chemical methods for Late-Stage Oxidation (LSO) of advanced and complex molecules remain a highly relevant topic, with new and improved methods being reported annually. Despite the growing number of methodologies, the scope and limitations of these methods in bioactive molecules is largely unknown. We have designed a High-Throughput Experimentation (HTE) plate based on validated LSO methods, capable of screening compounds using only a few milligrams, to enhance our Late-Stage Functionalization (LSF) platform. Various projects at AbbVie have benefited from this plate, generating essential data for programs and creating new analogs for comprehensive Structure-Activity Relationship (SAR) analysis. We demonstrated the transformative capabilities of this approach by screening nine well-known drugs and analyzed the oxidized derivatives. This report highlights how this overlooked transformation can be an effective synthetic tool for medicinal chemistry.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"916-924"},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12169457/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144315504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel Bicyclic Heterocycles as MRGPRX2 Antagonists for Treating Inflammatory Diseases","authors":"Ram W. Sabnis*, ","doi":"10.1021/acsmedchemlett.5c0030510.1021/acsmedchemlett.5c00305","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00305https://doi.org/10.1021/acsmedchemlett.5c00305","url":null,"abstract":"<p >Provided herein are novel bicyclic heterocycles as MRGPRX2 antagonists, pharmaceutical compositions, use of such compounds in treating inflammatory diseases, and processes for preparing such compounds.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"980–981 980–981"},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144260942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gretel A Stokes, Casey J Patterson-Gardner, Alexander M Engstrom, Alexander J Menke, K Harsha Vardhan Reddy, R Scott Lokey, Eric E Simanek
{"title":"Triazine Macrocycle Libraries: Synthesis, logD Prediction, and a Surprisingly Hydrophobic, Membrane-Permeable Diamine.","authors":"Gretel A Stokes, Casey J Patterson-Gardner, Alexander M Engstrom, Alexander J Menke, K Harsha Vardhan Reddy, R Scott Lokey, Eric E Simanek","doi":"10.1021/acsmedchemlett.5c00078","DOIUrl":"10.1021/acsmedchemlett.5c00078","url":null,"abstract":"<p><p>A library of triazine macrocycles was obtained to evaluate strategies for predicting lipophilicity using additive algorithms. Two synthetic routes were examined. While both were successful, one proved amenable to solution-phase library synthesis. The octanol-water partition coefficients (logP) were measured using reverse-phase HPLC at pH 10. When experimental and computed values (AlogP) are compared, a linear correlation is observed. That is, while additive algorithms underestimate hydrophobicity by a factor of 100, a simple correction yields accurate predictions. Two macrocycles showed anomalous hydrophobicities at high pH that were borne out in membrane transit (PAMPA) studies. Homodimers containing two primary amines were more hydrophobic than the corresponding heterodimers containing a single amine and a hydrophobic group. Structural analysis and computation provide a rationale for this behavior: the amines engage in an intramolecular hydrogen bond.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"1017-1023"},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12169478/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144315469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel Bicyclic Heterocycles as MRGPRX2 Antagonists for Treating Inflammatory Diseases.","authors":"Ram W Sabnis","doi":"10.1021/acsmedchemlett.5c00305","DOIUrl":"10.1021/acsmedchemlett.5c00305","url":null,"abstract":"<p><p>Provided herein are novel bicyclic heterocycles as MRGPRX2 antagonists, pharmaceutical compositions, use of such compounds in treating inflammatory diseases, and processes for preparing such compounds.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"980-981"},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12169468/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144315528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gretel A. Stokes, Casey J. Patterson-Gardner, Alexander M. Engstrom, Alexander J. Menke, K. Harsha Vardhan Reddy, R. Scott Lokey and Eric E. Simanek*,
{"title":"Triazine Macrocycle Libraries: Synthesis, logD Prediction, and a Surprisingly Hydrophobic, Membrane-Permeable Diamine","authors":"Gretel A. Stokes, Casey J. Patterson-Gardner, Alexander M. Engstrom, Alexander J. Menke, K. Harsha Vardhan Reddy, R. Scott Lokey and Eric E. Simanek*, ","doi":"10.1021/acsmedchemlett.5c0007810.1021/acsmedchemlett.5c00078","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00078https://doi.org/10.1021/acsmedchemlett.5c00078","url":null,"abstract":"<p >A library of triazine macrocycles was obtained to evaluate strategies for predicting lipophilicity using additive algorithms. Two synthetic routes were examined. While both were successful, one proved amenable to solution-phase library synthesis. The octanol–water partition coefficients (logP) were measured using reverse-phase HPLC at pH 10. When experimental and computed values (AlogP) are compared, a linear correlation is observed. That is, while additive algorithms underestimate hydrophobicity by a factor of 100, a simple correction yields accurate predictions. Two macrocycles showed anomalous hydrophobicities at high pH that were borne out in membrane transit (PAMPA) studies. Homodimers containing two primary amines were more hydrophobic than the corresponding heterodimers containing a single amine and a hydrophobic group. Structural analysis and computation provide a rationale for this behavior: the amines engage in an intramolecular hydrogen bond.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"1017–1023 1017–1023"},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144260870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Javier Izquierdo-Ferrer*, Mary E. Bellizzi, Noah Tu, Andrew Bogdan and Ying Wang,
{"title":"A Miniaturized Chemical High Throughput Experimentation Plate to Enable Late-Stage Oxidation Screening and Scale-up","authors":"Javier Izquierdo-Ferrer*, Mary E. Bellizzi, Noah Tu, Andrew Bogdan and Ying Wang, ","doi":"10.1021/acsmedchemlett.5c0017510.1021/acsmedchemlett.5c00175","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00175https://doi.org/10.1021/acsmedchemlett.5c00175","url":null,"abstract":"<p >Chemical methods for Late-Stage Oxidation (LSO) of advanced and complex molecules remain a highly relevant topic, with new and improved methods being reported annually. Despite the growing number of methodologies, the scope and limitations of these methods in bioactive molecules is largely unknown. We have designed a High-Throughput Experimentation (HTE) plate based on validated LSO methods, capable of screening compounds using only a few milligrams, to enhance our Late-Stage Functionalization (LSF) platform. Various projects at AbbVie have benefited from this plate, generating essential data for programs and creating new analogs for comprehensive Structure–Activity Relationship (SAR) analysis. We demonstrated the transformative capabilities of this approach by screening nine well-known drugs and analyzed the oxidized derivatives. This report highlights how this overlooked transformation can be an effective synthetic tool for medicinal chemistry.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"916–924 916–924"},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144261079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel 2,6,9-Trisubstituted Purines as CDK2 Inhibitors for Treating Cancers","authors":"Jian Rong, and , Steven H. Liang*, ","doi":"10.1021/acsmedchemlett.5c0028210.1021/acsmedchemlett.5c00282","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00282https://doi.org/10.1021/acsmedchemlett.5c00282","url":null,"abstract":"<p >This highlight describes novel 2,6,9-trisubstituted purines as cyclin-dependent kinase 2 (CDK2) inhibitors. It details the novel 2,6,9-trisubstituted purine compounds, the pharmaceutical composition, use, and treatment for CDK2-related diseases, such as cancers.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"970–971 970–971"},"PeriodicalIF":3.5,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144261170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel 2,6,9-Trisubstituted Purines as CDK2 Inhibitors for Treating Cancers.","authors":"Jian Rong, Steven H Liang","doi":"10.1021/acsmedchemlett.5c00282","DOIUrl":"10.1021/acsmedchemlett.5c00282","url":null,"abstract":"<p><p>This highlight describes novel 2,6,9-trisubstituted purines as cyclin-dependent kinase 2 (CDK2) inhibitors. It details the novel 2,6,9-trisubstituted purine compounds, the pharmaceutical composition, use, and treatment for CDK2-related diseases, such as cancers.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"970-971"},"PeriodicalIF":3.5,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12169447/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144315525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel Indole Derivatives as Serotonergic Psychedelic Agents for Treating Psychosis, Mental Illness, and CNS Disorders.","authors":"Ram W Sabnis","doi":"10.1021/acsmedchemlett.5c00309","DOIUrl":"10.1021/acsmedchemlett.5c00309","url":null,"abstract":"<p><p>Provided herein are novel indole derivatives as serotonergic psychedelic agents, pharmaceutical compositions, use of such compounds in treating psychosis, mental illness and central nervous system (CNS) disorders, and processes for preparing such compounds.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"982-983"},"PeriodicalIF":3.5,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12169492/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144315531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis and Application of Novel Arginine Vasopressin Receptor 1A (AVPR1A) Antagonists","authors":"Xin Zhou, and , Steven H. Liang*, ","doi":"10.1021/acsmedchemlett.5c0028510.1021/acsmedchemlett.5c00285","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00285https://doi.org/10.1021/acsmedchemlett.5c00285","url":null,"abstract":"<p >Arginine Vasopressin Receptor 1A (AVPR1A) is a member of G-protein-coupled receptors (GPCRs) that binds arginine vasopressin (AVP) and is primarily related to cardiovascular function, glycogenolysis, and social behaviors. This patent describes the synthesis of a series of AVPR1A antagonists and their applications in related disease treatment.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 6","pages":"963–964 963–964"},"PeriodicalIF":3.5,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144260990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}