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Abstract
This work describes the total synthesis of jaspine B involving the highly diastereoselective Pd(II)-catalysed carbonylative cyclisation in the preparation of crucial intermediates. New conditions for this transformation were developed and involved the pBQ/LiCl as a reoxidation system and Fe(CO)5 as an in situ source of stoichiometric amount of carbon monoxide (1.5 molar equivalent). In addition, we have demonstrated the use of a flow reactor adopting proposed conditions in the large-scale preparation of key lactones.
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Scale-up of micro- and milli-reactors: An overview of strategies, design principles and applications. CHEMICAL ENGINEERING SCIENCE: X 2021. [DOI: 10.1016/j.cesx.2021.100097] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Scaling continuous API synthesis from milligram to kilogram: extending the enabling benefits of micro to the plant. J Flow Chem 2020. [DOI: 10.1007/s41981-019-00060-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Sharma M, Acharya RB, Kulkarni AA. Exploring the Steady Operation of a Continuous Pilot Plant for the Di‐Nitration Reaction. Chem Eng Technol 2019. [DOI: 10.1002/ceat.201900140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mrityunjay Sharma
- National Chemical LaboratoryChemical Engineering & Process Development Division Pashan 411008 Pune India
- Academy of Scientific and Innovative Research (AcSIR)CSIR-National Chemical Laboratory (NCL) campus, Pashan 411008 Pune India
| | - Roopashree B. Acharya
- National Chemical LaboratoryChemical Engineering & Process Development Division Pashan 411008 Pune India
| | - Amol A. Kulkarni
- National Chemical LaboratoryChemical Engineering & Process Development Division Pashan 411008 Pune India
- Academy of Scientific and Innovative Research (AcSIR)CSIR-National Chemical Laboratory (NCL) campus, Pashan 411008 Pune India
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Fath V, Szmais S, Lau P, Kockmann N, Röder T. Model-Based Scale-Up Predictions: From Micro- to Millireactors Using Inline Fourier Transform Infrared Spectroscopy. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00265] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Verena Fath
- Department of Biochemical and Chemical Engineering, Equipment Design, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany
- Institute of Chemical Process Engineering, Mannheim University of Applied Sciences, Paul-Wittsack-Str. 10, 68163 Mannheim, Germany
| | | | - Philipp Lau
- Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Norbert Kockmann
- Department of Biochemical and Chemical Engineering, Equipment Design, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany
| | - Thorsten Röder
- Institute of Chemical Process Engineering, Mannheim University of Applied Sciences, Paul-Wittsack-Str. 10, 68163 Mannheim, Germany
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Wyvratt BM, McMullen JP, Grosser ST. Multidimensional dynamic experiments for data-rich process development of reactions in flow. REACT CHEM ENG 2019. [DOI: 10.1039/c9re00078j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The use of multidimensional dynamic flow experiments for reaction profiling and generation of an empirical surface response model for a Knoevenagel condensation reaction is described.
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McWilliams JC, Allian AD, Opalka SM, May SA, Journet M, Braden TM. The Evolving State of Continuous Processing in Pharmaceutical API Manufacturing: A Survey of Pharmaceutical Companies and Contract Manufacturing Organizations. Org Process Res Dev 2018. [DOI: 10.1021/acs.oprd.8b00160] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- J. Christopher McWilliams
- Chemical Research and Development, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Ayman D. Allian
- Department of Pivotal Drug Substance Technologies, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Suzanne M. Opalka
- Chemical Process Development, Biogen Idec, 115 Broadway, Cambridge, Massachusetts 02142, United States
| | - Scott A. May
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | - Michel Journet
- API Chemistry, GSK, 709 Swedeland Road, UW2810, P.O. Box 1539, King of Prussia, Pennsylvania 19406, United States
| | - Timothy M. Braden
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, United States
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McMullen JP, Marton CH, Sherry BD, Spencer G, Kukura J, Eyke NS. Development and Scale-Up of a Continuous Reaction for Production of an Active Pharmaceutical Ingredient Intermediate. Org Process Res Dev 2018. [DOI: 10.1021/acs.oprd.8b00192] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jonathan P. McMullen
- Process Research and Development, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Christopher H. Marton
- Process Research and Development, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Benjamin D. Sherry
- Process Research and Development, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Glenn Spencer
- Process Research and Development, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Joseph Kukura
- Process Research and Development, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Natalie S. Eyke
- Process Research and Development, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
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Tsukanov SV, Johnson MD, May SA, Rosemeyer M, Watkins MA, Kolis SP, Yates MH, Johnston JN. Development of an Intermittent-Flow Enantioselective Aza-Henry Reaction Using an Arylnitromethane and Homogeneous Brønsted Acid-Base Catalyst with Recycle. Org Process Res Dev 2016; 20:215-226. [PMID: 27065720 PMCID: PMC4821467 DOI: 10.1021/acs.oprd.5b00245] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A stereoselective aza-Henry reaction between an arylnitromethane and Boc-protected aryl aldimine using a homogeneous Brønsted acid-base catalyst was translated from batch format to an automated intermittent-flow process. This work demonstrates the advantages of a novel intermittent-flow setup with product crystallization and slow reagent addition which is not amenable to the standard continuous equipment: plug flow tube reactor (PFR) or continuous stirred tank reactor (CSTR). A significant benefit of this strategy was the integration of an organocatalytic enantioselective reaction with straightforward product separation, including recycle of the catalyst, resulting in increased intensity of the process by maintaining high catalyst concentration in the reactor. A continuous campaign confirmed that these conditions could effectively provide high throughput of material using an automated system while maintaining high selectivity, thereby addressing nitroalkane safety and minimizing catalyst usage.
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Affiliation(s)
- Sergey V. Tsukanov
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Martin D. Johnson
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Scott A. May
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Morgan Rosemeyer
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Michael A. Watkins
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Stanley P. Kolis
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Matthew H. Yates
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Jeffrey N. Johnston
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
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Porta R, Benaglia M, Puglisi A. Flow Chemistry: Recent Developments in the Synthesis of Pharmaceutical Products. Org Process Res Dev 2015. [DOI: 10.1021/acs.oprd.5b00325] [Citation(s) in RCA: 543] [Impact Index Per Article: 60.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Riccardo Porta
- Dipartimento di Chimica, Università degli Studi di Milano Via Golgi 19, I-20133 Milano, Italy
| | - Maurizio Benaglia
- Dipartimento di Chimica, Università degli Studi di Milano Via Golgi 19, I-20133 Milano, Italy
| | - Alessandra Puglisi
- Dipartimento di Chimica, Università degli Studi di Milano Via Golgi 19, I-20133 Milano, Italy
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Baumann M, Baxendale IR. The synthesis of active pharmaceutical ingredients (APIs) using continuous flow chemistry. Beilstein J Org Chem 2015; 11:1194-219. [PMID: 26425178 PMCID: PMC4578405 DOI: 10.3762/bjoc.11.134] [Citation(s) in RCA: 252] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 07/06/2015] [Indexed: 12/23/2022] Open
Abstract
The implementation of continuous flow processing as a key enabling technology has transformed the way we conduct chemistry and has expanded our synthetic capabilities. As a result many new preparative routes have been designed towards commercially relevant drug compounds achieving more efficient and reproducible manufacture. This review article aims to illustrate the holistic systems approach and diverse applications of flow chemistry to the preparation of pharmaceutically active molecules, demonstrating the value of this strategy towards every aspect ranging from synthesis, in-line analysis and purification to final formulation and tableting. Although this review will primarily concentrate on large scale continuous processing, additional selected syntheses using micro or meso-scaled flow reactors will be exemplified for key transformations and process control. It is hoped that the reader will gain an appreciation of the innovative technology and transformational nature that flow chemistry can leverage to an overall process.
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Affiliation(s)
- Marcus Baumann
- Department of Chemistry, Durham University, South Road, DH1 3LE Durham, United Kingdom
| | - Ian R Baxendale
- Department of Chemistry, Durham University, South Road, DH1 3LE Durham, United Kingdom
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