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Brodzka A, Koszelewski D, Ostaszewski R. Simultaneous Enantiodivergent Synthesis of Diverse Lactones and Lactams via Sequential One-Pot Enzymatic Kinetic Resolution-Ring-Closing Metathesis Reactions. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227696. [PMID: 36431796 PMCID: PMC9698981 DOI: 10.3390/molecules27227696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/03/2022] [Accepted: 11/07/2022] [Indexed: 11/11/2022]
Abstract
One of the goals of diversity-oriented synthesis is to achieve the structural diversity of obtained compounds. As most biologically active compounds are chiral, it is important to develop enantioselective methods of their synthesis. The application of kinetic resolution in DOS is problematic because of low efficiency (max. 50% yield) and many purification steps. The further derivatization of kinetic resolution products in DOS leads to the formation of a narrow library of compounds of the same stereochemistry. To overcome these limitations, we present a new concept in which the kinetic resolution is combined, the subsequent reaction of which in a one-pot protocol leads to the simultaneous formation of two skeletally and enantiomerically diverse platform molecules for DOS. Their further derivatization can gain access to a double-sized library of products in respect to a classical approach. The validity of our concept was evidenced in enzymatic kinetic resolution followed by a ring-closing metathesis cascade. From racemic carboxylic acid ester, a simultaneous formation of enantiopure lactones and lactams was achieved. These compounds are important building blocks in organic and medicinal chemistry and until now were synthesized in separate procedures.
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Tomar R, Bhattacharya D, Arulananda Babu S. Direct lactamization of β‐arylated δ‐aminopentanoic acid carboxamides: En route to 4‐aryl‐ 2‐piperidones, piperidines, antituberculosis molecule Q203 (Telacebec) and its analogues. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100736] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Radha Tomar
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | | | - Srinivasarao Arulananda Babu
- Indian Institute of Science Education and Research Mohali Department of Chemical Sciences Knowledge City, Sector 81, SAS Nagar,Mohali, Manauli P.O., 140306 Mohali INDIA
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3
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Yang WL, Li W, Yang ZT, Deng WP. Organocatalytic Regiodivergent Ring Expansion of Cyclobutanones for the Enantioselective Synthesis of Azepino[1,2-a]indoles and Cyclohepta[b]indoles. Org Lett 2020; 22:4026-4032. [DOI: 10.1021/acs.orglett.0c01406] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wu-Lin Yang
- School of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Wen Li
- School of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zhong-Tao Yang
- School of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Wei-Ping Deng
- School of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, China
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Sun S, Jia Q, Zhang Z. Applications of amide isosteres in medicinal chemistry. Bioorg Med Chem Lett 2019; 29:2535-2550. [PMID: 31377035 DOI: 10.1016/j.bmcl.2019.07.033] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 07/17/2019] [Accepted: 07/19/2019] [Indexed: 12/18/2022]
Abstract
Isosteric replacement of amide groups is a classic practice in medicinal chemistry. This digest highlights the applications of most commonly employed amide isosteres in drug design aiming at improving potency and selectivity, optimizing physicochemical and pharmacokinetic properties, eliminating or modifying toxicophores, as well as providing novel intellectual property of lead compounds.
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Affiliation(s)
- Shaoyi Sun
- Xenon Pharmaceuticals Inc., 200-3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada.
| | - Qi Jia
- Xenon Pharmaceuticals Inc., 200-3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada
| | - Zaihui Zhang
- Signalchem Lifesciences Corp., 110-13210, Vanier Place, Richmond, BC V6V 2J2, Canada
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Dupas A, Lhotellier PA, Guillamot G, Meyer C, Cossy J. Synthesis of Highly Substituted Azepanones from 2 H-Azirines by a Stepwise Annulation/Ring-Opening Sequence. Org Lett 2019; 21:3589-3593. [PMID: 31026165 DOI: 10.1021/acs.orglett.9b00999] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Bicyclic aziridines possessing a 1-azabicyclo[4.1.0]heptan-2-one core were prepared from 2 H-azirines by a stepwise annulation sequence involving a diastereoselective allylindanation, an N-acylation, and a ring-closing metathesis to construct the six-membered ring. After hydrogenation or functionalization of the olefin, regioselective ring opening of the resulting azabicyclic compounds with carboxylic acids (or sulfur nucleophiles) afforded highly substituted azepanones possessing an ester moiety or a trifluoromethyl group and a tetrasubstituted carbon at the α and β positions of the nitrogen atom, respectively.
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Affiliation(s)
- Alexandre Dupas
- Molecular, Macromolecular Chemistry, and Materials , ESPCI Paris, CNRS (UMR7167), PSL University , 10 rue Vauquelin , 75231 Paris Cedex 05, France
| | - Pierre-Alexandre Lhotellier
- Molecular, Macromolecular Chemistry, and Materials , ESPCI Paris, CNRS (UMR7167), PSL University , 10 rue Vauquelin , 75231 Paris Cedex 05, France
| | - Gérard Guillamot
- PCAS Porcheville , ZI de Limay, 2-8 rue de Rouen , 78440 Porcheville , France
| | - Christophe Meyer
- Molecular, Macromolecular Chemistry, and Materials , ESPCI Paris, CNRS (UMR7167), PSL University , 10 rue Vauquelin , 75231 Paris Cedex 05, France
| | - Janine Cossy
- Molecular, Macromolecular Chemistry, and Materials , ESPCI Paris, CNRS (UMR7167), PSL University , 10 rue Vauquelin , 75231 Paris Cedex 05, France
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7
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Chen M, Liu F, Dong G. Direct Palladium-Catalyzed β-Arylation of Lactams. Angew Chem Int Ed Engl 2018; 57:3815-3819. [PMID: 29424015 DOI: 10.1002/anie.201800958] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Indexed: 01/20/2023]
Abstract
A direct and catalytic method is reported here for β-arylation of N-protected lactams with simple aryl iodides. The transformation is enabled by merging soft enolization of lactams, palladium-catalyzed desaturation, Ar-X bond activation, and aryl conjugate addition. The reaction is operated under mild reaction conditions, is scalable, and is chemoselective. Application of this method to concise syntheses of pharmaceutically relevant compounds is demonstrated.
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Affiliation(s)
- Ming Chen
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Feipeng Liu
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA.,Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193, China
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
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Kim SJ, Oh Y, Park H, Oh S, Kim H. Highly Efficient Acidic Etherification Using a Trichloroacetimidate for the Preparation of (4-Chlorophenyl)(2-pyridyl)methyl-4-piperidyl Ether, a Key Intermediate of Bepotastine. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Soo Jeong Kim
- Department of Applied Chemistry and Institute of Natural Sciences, College of Applied Sciences; Kyung Hee University; Yongin-si, Gyeonggi-do 446-701 Republic of Korea
| | - Youree Oh
- Department of Applied Chemistry and Institute of Natural Sciences, College of Applied Sciences; Kyung Hee University; Yongin-si, Gyeonggi-do 446-701 Republic of Korea
| | - HoonGyu Park
- Department of Applied Chemistry and Institute of Natural Sciences, College of Applied Sciences; Kyung Hee University; Yongin-si, Gyeonggi-do 446-701 Republic of Korea
| | - Sehan Oh
- Department of Applied Chemistry and Institute of Natural Sciences, College of Applied Sciences; Kyung Hee University; Yongin-si, Gyeonggi-do 446-701 Republic of Korea
| | - Hakwon Kim
- Department of Applied Chemistry and Institute of Natural Sciences, College of Applied Sciences; Kyung Hee University; Yongin-si, Gyeonggi-do 446-701 Republic of Korea
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Di Fabio R, Alvaro G, Braggio S, Carletti R, Gerrard PA, Griffante C, Marchioro C, Pozzan A, Melotto S, Poffe A, Piccoli L, Ratti E, Tranquillini E, Trower M, Spada S, Corsi M. Identification, biological characterization and pharmacophoric analysis of a new potent and selective NK1 receptor antagonist clinical candidate. Bioorg Med Chem 2013; 21:6264-73. [DOI: 10.1016/j.bmc.2013.09.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Revised: 08/29/2013] [Accepted: 09/01/2013] [Indexed: 11/27/2022]
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Kenwright JL, Galloway WRJD, Wortmann L, Spring DR. Mild and Efficient Synthesis of Benzo-Fused Seven- and Eight-membered Ring Lactams: A Convenient Approach to Biologically Interesting Chemotypes. SYNTHETIC COMMUN 2013. [DOI: 10.1080/00397911.2011.643439] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Jayne L. Kenwright
- a Department of Chemistry , University of Cambridge , Cambridge , United Kingdom
| | | | | | - David R. Spring
- a Department of Chemistry , University of Cambridge , Cambridge , United Kingdom
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12
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Ghandi M, Zarezadeh N, Taheri A. A novel isocyanide-based three-component synthesis of benzimidazo[1,2-a][1,4]diazepinones. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.01.073] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Syvänen S, Eriksson J, Genchel T, Lindhe Ö, Antoni G, Långström B. Synthesis of two potential NK1-receptor ligands using [1-11C]ethyl iodide and [1-11C]propyl iodide and initial PET-imaging. BMC Med Imaging 2007; 7:6. [PMID: 17663770 PMCID: PMC1959516 DOI: 10.1186/1471-2342-7-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2007] [Accepted: 07/30/2007] [Indexed: 11/10/2022] Open
Abstract
Background The previously validated NK1-receptor ligand [O-methyl-11C]GR205171 binds with a high affinity to the NK1-receptor and displays a slow dissociation from the receptor. Hence, it cannot be used in vivo for detecting concentration changes in substance P, the endogenous ligand for the NK1-receptor. A radioligand used for monitoring these changes has to enable displacement by the endogenous ligand and thus bind reversibly to the receptor. Small changes in the structure of a receptor ligand can lead to changes in binding characteristics and also in the ability to penetrate the blood-brain barrier. The aim of this study was to use carbon-11 labelled ethyl and propyl iodide with high specific radioactivity in the synthesis of two new and potentially reversible NK1-receptor ligands with chemical structures based on [O-methyl-11C]GR205171. Methods [1-11C]Ethyl and [1-11C]propyl iodide with specific radioactivities of 90 GBq/μmol and 270 GBq/μmol, respectively, were used in the synthesis of [O-methyl-11C]GR205171 analogues by alkylation of O-desmethyl GR205171. The brain uptake of the obtained (2S,3S)-N-(1-(2- [1-11C]ethoxy-5-(3-(trifluoromethyl)-4H-1,2,4-triazol-4-yl)phenyl)ethyl)-2-phenylpiperidin-3-amine (I) and (2S,3S)-2-phenyl-N-(1-(2- [1-11C]propoxy-5-(3-(trifluoromethyl)-4H-1,2,4-triazol-4-yl)phenyl)ethyl)piperidin-3-amine (II) was studied with PET in guinea pigs and rhesus monkeys and compared to the uptake of [O-methyl-11C]GR205171. Results All ligands had similar uptake distribution in the guinea pig brain. The PET-studies in rhesus monkeys showed that (II) had no specific binding in striatum. Ligand (I) had moderate specific binding compared to the [O-methyl-11C]GR205171. The ethyl analogue (I) displayed reversible binding characteristics contrary to the slow dissociation rate shown by [O-methyl-11C]GR205171. Conclusion The propyl-analogue (II) cannot be used for detecting changes in NK1-ligand levels, while further studies should be performed with the ethyl-analogue (I).
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Affiliation(s)
- Stina Syvänen
- Uppsala Imanet, GE Healthcare, Box 967, 751 09 Uppsala, Sweden
- Department of Pharmaceutical Biosciences, Uppsala University, Box 591, 751 24 Uppsala, Sweden
| | - Jonas Eriksson
- Uppsala Imanet, GE Healthcare, Box 967, 751 09 Uppsala, Sweden
- Department of Biochemistry and Organic Chemistry, Box 576, Uppsala University, 751 23 Uppsala, Sweden
| | - Tove Genchel
- Department of Pharmaceutical Biosciences, Uppsala University, Box 591, 751 24 Uppsala, Sweden
| | - Örjan Lindhe
- Uppsala Imanet, GE Healthcare, Box 967, 751 09 Uppsala, Sweden
| | - Gunnar Antoni
- Uppsala Imanet, GE Healthcare, Box 967, 751 09 Uppsala, Sweden
| | - Bengt Långström
- Uppsala Imanet, GE Healthcare, Box 967, 751 09 Uppsala, Sweden
- Department of Biochemistry and Organic Chemistry, Box 576, Uppsala University, 751 23 Uppsala, Sweden
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Finke PE, Meurer LC, Levorse DA, Mills SG, Maccoss M, Sadowski S, Cascieri MA, Tsao KL, Chicchi GG, Metzger JM, Macintyre DE. Cyclopentane-based human NK1 antagonists. Part 1: Discovery and initial SAR. Bioorg Med Chem Lett 2006; 16:4497-503. [PMID: 16824752 DOI: 10.1016/j.bmcl.2006.06.035] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2006] [Revised: 06/08/2006] [Accepted: 06/09/2006] [Indexed: 10/24/2022]
Abstract
An initial investigation of the novel cyclopentane scaffold 6 afforded low nanomolar human NK1 antagonists having enhanced water solubility properties compared to morpholine 1. A synthesis of this cyclopentane scaffold, having three contiguous chiral centers, and the unexpected determination that the 1,2-trans-2,3-trans-ring stereochemistry, as opposed to the cis-ether/phenyl configuration of the known structures 1-5, is optimal for this class of antagonist are described.
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Affiliation(s)
- Paul E Finke
- Department of Medicinal Chemistry, Merck Research Laboratories, Rahway, NJ 07065, USA.
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Meurer LC, Finke PE, Owens KA, Tsou NN, Ball RG, Mills SG, Maccoss M, Sadowski S, Cascieri MA, Tsao KL, Chicchi GG, Egger LA, Luell S, Metzger JM, Macintyre DE, Rupniak NMJ, Williams AR, Hargreaves RJ. Cyclopentane-based human NK1 antagonists. Part 2: development of potent, orally active, water-soluble derivatives. Bioorg Med Chem Lett 2006; 16:4504-11. [PMID: 16831551 DOI: 10.1016/j.bmcl.2006.06.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2006] [Revised: 06/10/2006] [Accepted: 06/12/2006] [Indexed: 11/17/2022]
Abstract
The synthesis and optimization of a cyclopentane-based hNK1 antagonist scaffold 3, having four chiral centers, will be discussed in the context of its enhanced water solubility properties relative to the marketed anti-emetic hNK1 antagonist EMEND (Aprepitant). Sub-nanomolar hNK1 binding was achieved and oral activity comparable to Aprepitant in two in vivo models will be described.
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Affiliation(s)
- Laura C Meurer
- Department of Medicinal Chemistry, Merck Research Laboratories, Rahway, NJ 07065, USA.
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