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Thangsan P, Rukkijakan T, Thanaussavadate B, Yiamsawat K, Sirijaraensre J, Gable KP, Chuawong P. Quantitative analysis of steric effects on the regioselectivity of the Larock heteroannulation reaction. Org Biomol Chem 2023; 21:1501-1513. [PMID: 36688538 DOI: 10.1039/d2ob02089k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Alkylphenylacetylene derivatives were synthesized and used as reactants in the Larock heteroannulation reaction to investigate the steric influence on regioselectivity. Large alkyl groups preferentially yielded 2-alkyl-3-phenylindole products, while smaller alkyl groups provided 3-alkyl-2-phenylindole as major products. The logarithm of regioisomeric product ratios exhibited good correlations with various steric parameters. Notably, the Charton values provided the best correlation when excluding the cyclopropyl group. In addition, the Boltzmann-weighted Sterimol parameter (wSterimol) was utilized to generate a good predictive model, indicating the B1 wSterimol as the significant regiochemical determining parameter with no obvious deviation for the cyclopropyl group. Relative atomic distances within the DFT-optimized transition state structures revealed good correlations with the logarithm of regioisomeric ratios. Furthermore, the cyclopropyl adsorption complex indicated electronic contribution, explaining the peculiar behavior of this substituent in the experimental observation.
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Affiliation(s)
- Poomsith Thangsan
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand.
| | - Thanya Rukkijakan
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand.
| | - Bongkotrat Thanaussavadate
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand.
| | - Kanyapat Yiamsawat
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand.
| | - Jakkapan Sirijaraensre
- Department of Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Kevin P Gable
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-4003, USA
| | - Pitak Chuawong
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand.
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2
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Auvert E, Aesoy R, Giraud F, Herfindal L, Anizon F, Moreau P. Synthesis of new pyrazolo[4,3-a]phenanthridine Pim-1 inhibitors and evaluation of their cytotoxic activity towards the MOLM-13 acute myeloid leukemia cell line. Bioorg Med Chem Lett 2022; 73:128914. [DOI: 10.1016/j.bmcl.2022.128914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/13/2022] [Accepted: 07/28/2022] [Indexed: 11/29/2022]
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3
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Yiamsawat K, Gable KP, Chuawong P. Dissecting the Electronic Contribution to the Regioselectivity of the Larock Heteroannulation Reaction in the Oxidative Addition and Carbopalladation Steps. J Org Chem 2022; 87:1218-1229. [PMID: 34989564 DOI: 10.1021/acs.joc.1c02560] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Substituted 2-iodoaniline derivatives were prepared and utilized as reactants, along with asymmetric diarylacetylenes, to synthesize a series of 6-substituted-2,3-diarylindole derivatives via the Larock heteroannulation reaction. Electron-donating substituents on the 2-iodoaniline derivatives retarded the reaction, while electron-withdrawing substituents provided a complete conversion to the indole products. In addition, the electronic properties of the substituted 2-iodoaniline reactants displayed no influence toward regioselectivity. On the contrary, the electronic effect from unsymmetrical diarylacetylenes significantly influenced the regiochemical outcome of the reaction. Density functional theory calculations of the oxidative addition and carbopalladation steps revealed the electronic influences of the substituted 2-iodoaniline derivatives toward the overall rate of the reaction. In contrast, the electronic properties of the asymmetric diarylacetylene remained the critical product-determining factor of regioselectivity.
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Affiliation(s)
- Kanyapat Yiamsawat
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand
| | - Kevin P Gable
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-4003, United States
| | - Pitak Chuawong
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Special Research Unit for Advanced Magnetic Resonance (AMR), Kasetsart University, Bangkok 10900, Thailand
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4
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Regioselective Synthesis of 1,6‐Dihydropyrrolo[2,3‐
g
]indazole Derivatives
via
Three‐Component Domino Reaction. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3372] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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5
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Lalut J, Santoni G, Karila D, Lecoutey C, Davis A, Nachon F, Silman I, Sussman J, Weik M, Maurice T, Dallemagne P, Rochais C. Novel multitarget-directed ligands targeting acetylcholinesterase and σ 1 receptors as lead compounds for treatment of Alzheimer's disease: Synthesis, evaluation, and structural characterization of their complexes with acetylcholinesterase. Eur J Med Chem 2018; 162:234-248. [PMID: 30447434 DOI: 10.1016/j.ejmech.2018.10.064] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 10/24/2018] [Accepted: 10/29/2018] [Indexed: 12/19/2022]
Abstract
Pleiotropic intervention may be a requirement for effective limitation of the progression of multifactorial diseases such as Alzheimer's Disease. One approach to such intervention is to design a single chemical entity capable of acting on two or more targets of interest, which are accordingly known as Multi-Target Directed Ligands (MTDLs). We recently described donecopride, the first MTDL able to simultaneously inhibit acetylcholinesterase and act as an agonist of the 5-HT4 receptor, which displays promising activities in vivo. Pharmacomodulation of donecopride allowed us to develop a novel series of indole derivatives possessing interesting in vitro activities toward AChE and the σ1 receptor. The crystal structures of complexes of the most promising compounds with Torpedo californica AChE were solved in order to further understand their mode of inhibition.
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Affiliation(s)
- Julien Lalut
- Centre d'Etudes et de Recherche sur le Médicament de Normandie, Normandie Univ, UNICAEN, CERMN, 14000, Caen, France
| | - Gianluca Santoni
- Univ Grenoble Alpes, IBS, F-38027, Grenoble, France; CNRS, IBS, F-38027, Grenoble, France; CEA, IBS, F-38027, Grenoble, France
| | - Delphine Karila
- Centre d'Etudes et de Recherche sur le Médicament de Normandie, Normandie Univ, UNICAEN, CERMN, 14000, Caen, France
| | - Cédric Lecoutey
- Centre d'Etudes et de Recherche sur le Médicament de Normandie, Normandie Univ, UNICAEN, CERMN, 14000, Caen, France
| | - Audrey Davis
- Centre d'Etudes et de Recherche sur le Médicament de Normandie, Normandie Univ, UNICAEN, CERMN, 14000, Caen, France
| | - Florian Nachon
- Département de Toxicologie et Risques Chimiques, Institut de Recherche Biomédicale des Armées, 91220, Brétigny-sur-Orge, France
| | - Israel Silman
- Department of Neurobiology, Weizmann Institute of Science, 76100, Rehovot, Israel
| | - Joel Sussman
- Department of Structural Biology, Weizmann Institute of Science, 76100, Rehovot, Israel
| | - Martin Weik
- Univ Grenoble Alpes, IBS, F-38027, Grenoble, France; CNRS, IBS, F-38027, Grenoble, France; CEA, IBS, F-38027, Grenoble, France
| | - Tangui Maurice
- Molecular Mechanisms in Neurodegenerative Diseases, MMDN Laboratory, University of Montpellier, Ecole Pratique des Hautes Etudes, Institut National de la Recherche et de la Santé Médicale, UMR-S1198, 34095, Montpellier, France
| | - Patrick Dallemagne
- Centre d'Etudes et de Recherche sur le Médicament de Normandie, Normandie Univ, UNICAEN, CERMN, 14000, Caen, France.
| | - Christophe Rochais
- Centre d'Etudes et de Recherche sur le Médicament de Normandie, Normandie Univ, UNICAEN, CERMN, 14000, Caen, France.
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6
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Micheletti G, Kouakou A, Boga C, Franchi P, Calvaresi M, Guadagnini L, Lucarini M, Rakib EM, Spinelli D, Tonelli D, Forsal I. Comparative spectroscopic and electrochemical study of N-1 or N-2-alkylated 4-nitro and 7-nitroindazoles. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2016.05.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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7
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Zhang W, Ready JM. Total synthesis of the dictyodendrins as an arena to highlight emerging synthetic technologies. Nat Prod Rep 2017; 34:1010-1034. [DOI: 10.1039/c7np00018a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The dictyodendrins are a family of alkaloids isolated from marine sponges, Dictyodendrilla verongiformis and Ianthella sp., which possess a highly substituted pyrrolo[2,3-c]carbazole core at the phenol or quinone oxidation states. This review discusses the many diverse approaches used to synthesize these complex natural products.
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Affiliation(s)
- Wenhan Zhang
- Department of Biochemistry
- University of Texas Southwestern Medical Center
- Dallas
- USA
| | - Joseph M. Ready
- Department of Biochemistry
- University of Texas Southwestern Medical Center
- Dallas
- USA
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8
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9
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Herraiz-Cobo J, Albericio F, Álvarez M. The Larock Reaction in the Synthesis of Heterocyclic Compounds. ADVANCES IN HETEROCYCLIC CHEMISTRY 2015. [DOI: 10.1016/bs.aihch.2015.04.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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10
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Gaikwad DD, Chapolikar AD, Devkate CG, Warad KD, Tayade AP, Pawar RP, Domb AJ. Synthesis of indazole motifs and their medicinal importance: an overview. Eur J Med Chem 2014; 90:707-31. [PMID: 25506810 DOI: 10.1016/j.ejmech.2014.11.029] [Citation(s) in RCA: 221] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 11/03/2014] [Accepted: 11/15/2014] [Indexed: 01/16/2023]
Abstract
Indazoles is an important class of heterocyclic compounds having a wide range of biological and pharmaceutical applications. There is enormous potential in the synthesis of novel heterocyclic systems to be used as building blocks for the next generation of pharmaceuticals as anti-bacterial, anti-depressant and anti-inflammatory. Fused aromatic 1H and 2H-indazoles are well recognized for anti-hypertensive and anti-cancer properties. The present review focuses on novel routes of their synthesis and various biological activities.
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Affiliation(s)
- Digambar D Gaikwad
- Dept. of Chemistry, Govt. College of Arts & Science, Aurangabad 431001, India.
| | | | | | - Khandu D Warad
- Dept. of Chemistry, Govt. College of Arts & Science, Aurangabad 431001, India
| | - Amit P Tayade
- Dept. of Chemistry, Govt. College of Arts & Science, Aurangabad 431001, India
| | | | - Abraham J Domb
- School of Pharmacy, Department of Medicine, The Hebrew University of Jerusalem, Jerusalem 91120, Israel
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11
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Suchaud V, Gavara L, Giraud F, Nauton L, Théry V, Anizon F, Moreau P. Synthesis of pyrazolo[4,3-a]phenanthridines, a new scaffold for Pim kinase inhibition. Bioorg Med Chem 2014; 22:4704-10. [DOI: 10.1016/j.bmc.2014.07.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 07/07/2014] [Accepted: 07/08/2014] [Indexed: 11/30/2022]
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12
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Phetrak N, Rukkijakan T, Sirijaraensre J, Prabpai S, Kongsaeree P, Klinchan C, Chuawong P. Regioselectivity of Larock Heteroannulation: A Contribution from Electronic Properties of Diarylacetylenes. J Org Chem 2013; 78:12703-9. [DOI: 10.1021/jo402304s] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | - Samran Prabpai
- Department
of Chemistry and Center for Excellence in Protein Structure and Function,
Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Palangpon Kongsaeree
- Department
of Chemistry and Center for Excellence in Protein Structure and Function,
Faculty of Science, Mahidol University, Bangkok 10400, Thailand
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13
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Affiliation(s)
- Jingjing Liang
- State Key
Laboratory of Natural
and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191,
China
| | - Weimin Hu
- State Key
Laboratory of Natural
and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191,
China
| | - Pengyu Tao
- State Key
Laboratory of Natural
and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191,
China
| | - Yanxing Jia
- State Key
Laboratory of Natural
and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191,
China
- State Key Laboratory
of Applied
Organic Chemistry, Lanzhou University,
Lanzhou 730000, China
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14
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Suchaud V, Gavara L, Saugues E, Nauton L, Théry V, Anizon F, Moreau P. Identification of 1,6-dihydropyrazolo[4,3-c]carbazoles and 3,6-dihydropyrazolo[3,4-c]carbazoles as new Pim kinase inhibitors. Bioorg Med Chem 2013; 21:4102-11. [PMID: 23735828 DOI: 10.1016/j.bmc.2013.05.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 05/06/2013] [Accepted: 05/08/2013] [Indexed: 12/14/2022]
Abstract
New 1,6-dihydropyrazolo[4,3-c]carbazoles and 3,6-dihydropyrazolo[3,4-c]carbazoles were prepared and evaluated for their Pim kinase inhibitory potencies as well as their antiproliferative activities toward two prostatic cancer cell lines. Pyrazolocarbazole 15a was found to be a potent Pim kinase modulator with inhibitory potency toward the three isoforms. Compound 6c strongly inhibited Pim-3 with weaker effect toward Pim-1 and Pim-2, and thus could be used as an interesting molecular tool to study Pim-3 biological functions.
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Affiliation(s)
- Virginie Suchaud
- Clermont Université, Université Blaise Pascal, Institut de Chimie de Clermont-Ferrand, BP 10448, 63000 Clermont-Ferrand, France
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15
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Identification of pyrrolo[2,3-g]indazoles as new Pim kinase inhibitors. Bioorg Med Chem Lett 2013; 23:2298-301. [PMID: 23499503 DOI: 10.1016/j.bmcl.2013.02.074] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 02/12/2013] [Accepted: 02/14/2013] [Indexed: 12/14/2022]
Abstract
The synthesis and Pim kinase inhibition potency of a new series of pyrrolo[2,3-g]indazole derivatives is described. The results obtained in this preliminary structure-activity relationship study pointed out that sub-micromolar Pim-1 and Pim-3 inhibitory potencies could be obtained in this series, more particularly for compounds 10 and 20, showing that pyrrolo[2,3-g]indazole scaffold could be used for the development of new potent Pim kinase inhibitors. Molecular modeling experiments were also performed to study the binding mode of these compounds in Pim-3 ATP-binding pocket.
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16
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Chung JYL, Steinhuebel D, Krska SW, Hartner FW, Cai C, Rosen J, Mancheno DE, Pei T, DiMichele L, Ball RG, Chen CY, Tan L, Alorati AD, Brewer SE, Scott JP. Asymmetric Synthesis of a Glucagon Receptor Antagonist via Friedel–Crafts Alkylation of Indole with Chiral α-Phenyl Benzyl Cation. Org Process Res Dev 2012. [DOI: 10.1021/op300249q] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- John Y. L. Chung
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Dietrich Steinhuebel
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Shane W. Krska
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Fred W. Hartner
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Chaoxian Cai
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Jonathan Rosen
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Danny E. Mancheno
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Tao Pei
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Lisa DiMichele
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Richard G. Ball
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Cheng-yi Chen
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Lushi Tan
- Process Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
| | - Antony D. Alorati
- Process Research Preparative Laboratory, Merck Sharp & Dohme Research Laboratories, Hertford Road, Hoddesdon, Hertfordshire EN11 9BU, United Kingdom
| | - Sarah E. Brewer
- Process Research Preparative Laboratory, Merck Sharp & Dohme Research Laboratories, Hertford Road, Hoddesdon, Hertfordshire EN11 9BU, United Kingdom
| | - Jeremy P. Scott
- Process Research Preparative Laboratory, Merck Sharp & Dohme Research Laboratories, Hertford Road, Hoddesdon, Hertfordshire EN11 9BU, United Kingdom
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17
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