1
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Tang SA, Fults A, Boyd SR, Gattu N, Tran KA, Fan J, MacKenzie KR, Palzkill T, Young DW, Chamakuri S. Expanding Complex Morpholines Using Systematic Chemical Diversity. Org Lett 2024; 26:3493-3497. [PMID: 38506470 DOI: 10.1021/acs.orglett.4c00528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
The morpholine heterocycle is a structural unit found in many bioactive compounds and FDA-approved drugs, but the generation of more complex C-functionalized morpholine derivatives remains considerably underexplored. Using systematic chemical diversity (SCD), a concept that guides the expansion of saturated drug-like scaffolds through regiochemical and stereochemical variation, we describe the synthesis of a collection of methyl-substituted morpholine acetic acid esters starting from enantiomerically pure amino acids and amino alcohols. In total, 24 diverse substituted morpholines were produced that vary systematically in regiochemistry and stereochemistry (relative and absolute). These diverse C-substituted morpholines can be directly applied in fragment screening or incorporated as building blocks in medicinal chemistry and library synthesis.
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Affiliation(s)
- Sunny Ann Tang
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Afton Fults
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States
| | - Shelton R Boyd
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Nikhil Gattu
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States
| | - Kevin A Tran
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Jiayi Fan
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Kevin R MacKenzie
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Timothy Palzkill
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Damian W Young
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
| | - Srinivas Chamakuri
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
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2
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Viveki AB, Mansfield TM, Tran KA, Lenkeit E, MacKenzie KR, Young DW, Chamakuri S. Heterocyclic Merging of Stereochemically Diverse Chiral Piperazines and Morpholines with Indazoles. Chemistry 2023; 29:e202301888. [PMID: 37462979 PMCID: PMC10885319 DOI: 10.1002/chem.202301888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Indexed: 08/31/2023]
Abstract
We report a heterocyclic merging approach to construct novel indazolo-piperazines and indazolo-morpholines. Starting from chiral diamines and amino alcohols, novel regiochemically (1,3 and 1,4) and stereochemically diverse (relative and absolute) cohorts of indazolo-piperazines and indazolo-morpholines were obtained within six or seven steps. The key transformations involved are a Smiles rearrangement to generate the indazole core structure and a late-stage Michael addition to build the piperazine and morpholine heterocycles. We further explored additional vector diversity by incorporating substitutions on the indazole aromatic ring, generating a total of 20 unique, enantiomerically pure heterocyclic scaffolds.
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Affiliation(s)
- Amol B Viveki
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Timothy M Mansfield
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Kevin A Tran
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Evan Lenkeit
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Kevin R MacKenzie
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Damian W Young
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Srinivas Chamakuri
- Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
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3
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A Concise Synthetic Method for Constructing 3-Substituted Piperazine-2-Acetic Acid Esters from 1,2-Diamines. Molecules 2022; 27:molecules27113419. [PMID: 35684357 PMCID: PMC9182393 DOI: 10.3390/molecules27113419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 11/17/2022] Open
Abstract
We report a short synthetic route for synthesizing 2,3-substituted piperazine acetic acid esters. Optically pure amino acids were efficiently converted into 1,2-diamines that could be utilized to deliver the title 2,3-substituted piperazines in five steps with a high enantiomeric purity. The novel route facilitated, for the first time, the synthesis of 3-phenyl substituted-2-piperazine acetic acid esters that were difficult to achieve using other methods; however, in this case, the products underwent racemization.
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4
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Smolobochkin AV, Gazizov AS, Burilov AR, Pudovik MA. Norhygrine Alkaloid and Its Derivatives: Synthetic Approaches and Applications to the Natural Products Synthesis. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Andrey V. Smolobochkin
- Arbuzov Institute of Organic and Physical Chemistry FRC Kazan Scientific Center Russian Academy of Sciences Arbuzova str. 8 420088 Kazan Russian Federation
| | - Almir S. Gazizov
- Arbuzov Institute of Organic and Physical Chemistry FRC Kazan Scientific Center Russian Academy of Sciences Arbuzova str. 8 420088 Kazan Russian Federation
| | - Alexander R. Burilov
- Arbuzov Institute of Organic and Physical Chemistry FRC Kazan Scientific Center Russian Academy of Sciences Arbuzova str. 8 420088 Kazan Russian Federation
| | - Michail A. Pudovik
- Arbuzov Institute of Organic and Physical Chemistry FRC Kazan Scientific Center Russian Academy of Sciences Arbuzova str. 8 420088 Kazan Russian Federation
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5
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Sánchez-Roselló M, Escolano M, Gaviña D, Del Pozo C. Two Decades of Progress in the Asymmetric Intramolecular aza-Michael Reaction. CHEM REC 2021; 22:e202100161. [PMID: 34415097 DOI: 10.1002/tcr.202100161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/22/2021] [Accepted: 08/04/2021] [Indexed: 11/08/2022]
Abstract
The asymmetric intramolecular aza-Michael reaction (IMAMR) is a very convenient strategy for the generation of heterocycles bearing nitrogen-substituted stereocenters. Due to the ubiquitous presence of these skeletons in natural products, the IMAMR has found widespread applications in the total synthesis of alkaloids and biologically relevant compounds. The development of asymmetric versions of the IMAMR are quite recent, most of them reported in this century. The fundamental advances in this field involve the use of organocatalysts. Chiral imidazolidinones, diaryl prolinol derivatives, Cinchone-derived primary amines and quaternary ammonium salts, and BINOL-derived phosphoric acids account for the success of those methodologies. Moreover, the use of N-sulfinyl imines with a dual role, as nitrogen nucleophiles and as chiral auxiliaries, appeared as a versatile mode of performing the asymmetric IMAMR.
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Affiliation(s)
- María Sánchez-Roselló
- Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100-Burjassot, Valencia), Spain
| | - Marcos Escolano
- Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100-Burjassot, Valencia), Spain
| | - Daniel Gaviña
- Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100-Burjassot, Valencia), Spain
| | - Carlos Del Pozo
- Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100-Burjassot, Valencia), Spain
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6
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Magriotis PA. Recent progress toward the asymmetric synthesis of carbon-substituted piperazine pharmacophores and oxidative related heterocycles. RSC Med Chem 2020; 11:745-759. [PMID: 33479672 PMCID: PMC7509752 DOI: 10.1039/d0md00053a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 04/27/2020] [Indexed: 01/23/2023] Open
Abstract
The piperazine drugs are mostly N-substituted compared to only a few C-substituted drugs. To explore this unknown chemical space, asymmetric syntheses of C-substituted piperazines is the subject of this review.
The important requirement for approval of a new drug, in case it happens to be chiral, is that both enantiomers of the drug should be studied in detail, which has led synthetic organic and medicinal chemists to focus their attention on the development of new methods for asymmetric synthesis especially of relevant saturated N-heterocycles. On the other hand, the piperazine ring, besides defining a major class of saturated N-heterocycles, has been classified as a privileged structure in medicinal chemistry, since it is more than frequently found in biologically active compounds including several marketed blockbuster drugs such as Glivec (imatinib) and Viagra (sildenafil). Indeed, 13 of the 200 best-selling small molecule drugs in 2012 contained a piperazine ring. Nevertheless, analysis of the piperazine substitution pattern reveals a lack of structural diversity, with almost every single drug in this category (83%) containing a substituent at both the N1- and N4-positions compared to a few drugs having a substituent at any other position (C2, C3, C5, and C6). Significant chemical space that is closely related to that known to be biologically relevant, therefore, remains unexplored. In order to explore this chemical space, efficient and asymmetric syntheses of carbon-substituted piperazines and related heterocycles must be designed and developed. Initial, recent efforts toward the implementation of this particular target are in fact the subject of this review.
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Affiliation(s)
- Plato A Magriotis
- Department of Pharmacy , Laboratory of Medicinal Chemistry , University of Patras , Rio26504 , Greece .
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7
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Prudel C, Huwig K, Kazmaier U. Stereoselective Allylic Alkylations of Amino Ketones and Their Application in the Synthesis of Highly Functionalized Piperidines. Chemistry 2020; 26:3181-3188. [PMID: 31943413 PMCID: PMC7079034 DOI: 10.1002/chem.202000051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Indexed: 11/22/2022]
Affiliation(s)
- Cynthia Prudel
- Organic Chemistry, Saarland University, Campus C4.2, 66123, Saarbrücken, Germany
| | - Kai Huwig
- Organic Chemistry, Saarland University, Campus C4.2, 66123, Saarbrücken, Germany
| | - Uli Kazmaier
- Organic Chemistry, Saarland University, Campus C4.2, 66123, Saarbrücken, Germany
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8
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Chamakuri S, Shah MM, Yang DCH, Santini C, Young DW. Practical and scalable synthesis of orthogonally protected-2-substituted chiral piperazines. Org Biomol Chem 2020; 18:8844-8849. [PMID: 33118584 DOI: 10.1039/d0ob01713b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A synthetic route to orthogonally protected, enantiomerically pure 2-substituted piperazines is described. Starting from α-amino acids, within four steps chiral 2-substituted piperazines are obtained. The key transformation involves an aza-Michael addition between an orthogonally bis-protected chiral 1,2-diamine and the in situ generated vinyl diphenyl sulfonium salt derived from 2-bromoethyl-diphenylsulfonium triflate. Further validation using different protecting groups as well as synthesis on multigram scale was performed. The method was also applied to the construction of chiral 1,4-diazepanes and 1,4-diazocanes. Additionally, the method was utilized in a formal synthesis of chiral mirtazapine.
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Affiliation(s)
- Srinivas Chamakuri
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, USA.
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9
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Aubineau T, Cossy J. Metal-Catalyzed Cyclization: Synthesis of (Benzo)morpholines and (Benzo)[1,4]dihydrooxazines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900927] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Thomas Aubineau
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris, CNRS; PSL University; 10 rue Vauquelin 75005 Paris France
| | - Janine Cossy
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris, CNRS; PSL University; 10 rue Vauquelin 75005 Paris France
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10
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Yuan J, Deng B, Liang Y, Rao CB, Zhang R, Zhao Y, Dong D. PIFA/TEMPO‐Mediated Oxidative Cascade Cyclization of
α
‐[(
β
‐Amino)propenoyl]‐Alkylamides: Access to Polysubstituted 3,7‐Dihydrooxazolo[4,5‐
c
]pyridine‐2,4,6(5
H
)‐triones. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900741] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Jingwen Yuan
- Key Laboratory of High-Performance Synthetic Rubber and its Composites, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 People's Republic of China
| | - Bicheng Deng
- Key Laboratory of Preparation and Application of Environmental Friendly Materials of the Ministry of EducationJilin Normal University Changchun 130103 People's Republic of China
- Key Laboratory of High-Performance Synthetic Rubber and its Composites, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 People's Republic of China
| | - Yongjiu Liang
- Key Laboratory of High-Performance Synthetic Rubber and its Composites, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 People's Republic of China
| | - Chitturi Bhujanga Rao
- Key Laboratory of High-Performance Synthetic Rubber and its Composites, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 People's Republic of China
| | - Rui Zhang
- Key Laboratory of High-Performance Synthetic Rubber and its Composites, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 People's Republic of China
| | - Yanning Zhao
- Key Laboratory of Preparation and Application of Environmental Friendly Materials of the Ministry of EducationJilin Normal University Changchun 130103 People's Republic of China
| | - Dewen Dong
- Key Laboratory of Preparation and Application of Environmental Friendly Materials of the Ministry of EducationJilin Normal University Changchun 130103 People's Republic of China
- Key Laboratory of High-Performance Synthetic Rubber and its Composites, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 People's Republic of China
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11
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Chowdhury S, Mao J, Martynow J, Zhao H, Duffy E, Wu Y, Thakur V, Sirasani G, Tang Y, Collin F, Sinishtaj S, Bhattacharjee A. Diastereoselective scalable synthesis of 2,6-trans-Piperidines using an aza-Michael reaction. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.12.061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Chennamadhavuni S, Panek JS, Porco JA, Brown LE. Diastereodivergent Synthesis of Chiral Tetrahydropyrrolodiazepinediones via a One-Pot Intramolecular aza-Michael/Lactamization Sequence. J Org Chem 2018; 83:15449-15462. [PMID: 30458107 DOI: 10.1021/acs.joc.8b02724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A modular and diastereodivergent synthesis of tetrahydro-1 H-pyrrolo[1,2 d]diazepine-(2,5)-diones is presented. The tetrahydropyrrolodiazepinedione scaffold is obtained via a base-mediated three-step isomerization/tandem cyclization of amino acid-coupled homoallylic amino esters. Diastereoselectivity of the process is mediated by the interplay of a kinetic cyclization event and a propensity for thermodynamic epimerization at two labile chiral centers, giving rise to two distinct major diastereomers dependent on starting material stereochemistry and reaction conditions selected. Herein, we present a synthetic and computational study for this tandem process on a variety of amino ester substrates.
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Affiliation(s)
- Spandan Chennamadhavuni
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) , Boston University , 590 Commonwealth Avenue , Boston , Massachusetts 02215 , United States
| | - James S Panek
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) , Boston University , 590 Commonwealth Avenue , Boston , Massachusetts 02215 , United States
| | - John A Porco
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) , Boston University , 590 Commonwealth Avenue , Boston , Massachusetts 02215 , United States
| | - Lauren E Brown
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) , Boston University , 590 Commonwealth Avenue , Boston , Massachusetts 02215 , United States
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13
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Aubineau T, Cossy J. A One-Pot Reaction toward the Diastereoselective Synthesis of Substituted Morpholines. Org Lett 2018; 20:7419-7423. [DOI: 10.1021/acs.orglett.8b03141] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Thomas Aubineau
- Laboratoire de Chimie Organique, Institute of Chemistry, Biology and Innovation (CBI) - UMR 8231, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75231 Paris Cedex 05, France
| | - Janine Cossy
- Laboratoire de Chimie Organique, Institute of Chemistry, Biology and Innovation (CBI) - UMR 8231, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75231 Paris Cedex 05, France
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14
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Wen K, Wu Z, Chen B, Chen J, Zhang W. Pd(ii)-Catalyzed aerobic 1,2-difunctionalization of conjugated dienes: efficient synthesis of morpholines and 2-morpholones. Org Biomol Chem 2018; 16:5618-5625. [PMID: 30027979 DOI: 10.1039/c8ob01291a] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel and efficient methodology concerning the Pd(ii)-catalyzed intermolecular difunctionalization of conjugated dienes is reported to synthesize a series of functionalized morpholines and 2-morpholones. Widely distributed and easily obtained β-amino alcohols and α-amino acids, as starting nitrogen and oxygen sources, are successfully applied in the difunctionalization of conjugated dienes respectively. The majority of the desired products were obtained in moderate to excellent yields. Oxygen was successfully employed as a terminal oxidant. Further transformation of the generated products allowed for the expansion of structural diversity.
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Affiliation(s)
- Ke Wen
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China.
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15
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Chamakuri S, Jain P, Reddy Guduru SK, Arney JW, MacKenzie KR, Santini C, Young DW. Synthesis of Enantiomerically Pure 6-Substituted-Piperazine-2-Acetic Acid Esters as Intermediates for Library Production. J Org Chem 2018; 83:6541-6555. [DOI: 10.1021/acs.joc.8b00854] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | | | | | - J. Winston Arney
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States
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16
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Ryan J, Šiaučiulis M, Gomm A, Maciá B, O'Reilly E, Caprio V. Transaminase Triggered Aza-Michael Approach for the Enantioselective Synthesis of Piperidine Scaffolds. J Am Chem Soc 2016; 138:15798-15800. [PMID: 27960354 DOI: 10.1021/jacs.6b07024] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The expanding "toolbox" of biocatalysts opens new opportunities to redesign synthetic strategies to target molecules by incorporating a key enzymatic step into the synthesis. Herein, we describe a general biocatalytic approach for the enantioselective preparation of 2,6-disubstituted piperidines starting from easily accessible pro-chiral ketoenones. The strategy represents a new biocatalytic disconnection, which relies on an ω-TA-mediated aza-Michael reaction. Significantly, we show that the reversible enzymatic process can power the shuttling of amine functionality across a molecular framework, providing access to the desired aza-Michael products.
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Affiliation(s)
- James Ryan
- Faculty of Science & Engineering, Division of Chemistry & Environmental Science, Manchester Metropolitan University , Chester Street, Manchester M1 5GD, United Kingdom
| | - Mindaugas Šiaučiulis
- School of Chemistry, University of Nottingham , University Park, Nottingham NG7 2RD, United Kingdom
| | - Andrew Gomm
- School of Chemistry, University of Nottingham , University Park, Nottingham NG7 2RD, United Kingdom
| | - Beatriz Maciá
- Faculty of Science & Engineering, Division of Chemistry & Environmental Science, Manchester Metropolitan University , Chester Street, Manchester M1 5GD, United Kingdom
| | - Elaine O'Reilly
- School of Chemistry, University of Nottingham , University Park, Nottingham NG7 2RD, United Kingdom
| | - Vittorio Caprio
- Faculty of Science & Engineering, Division of Chemistry & Environmental Science, Manchester Metropolitan University , Chester Street, Manchester M1 5GD, United Kingdom
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17
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Goswami PP, Suding VP, Carlson AS, Topczewski JJ. Direct Conversion of Aldehydes and Ketones into Azides by Sequential Nucleophilic Addition and Substitution. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600856] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Pratik P. Goswami
- Department of Chemistry; University of Minnesota; 55455 Minneapolis Minnesota USA
| | - Victoria P. Suding
- Department of Chemistry; University of Minnesota; 55455 Minneapolis Minnesota USA
| | - Angela S. Carlson
- Department of Chemistry; University of Minnesota; 55455 Minneapolis Minnesota USA
| | - Joseph J. Topczewski
- Department of Chemistry; University of Minnesota; 55455 Minneapolis Minnesota USA
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18
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Wang Y, Wach JY, Sheehan P, Zhong C, Zhan C, Harris R, Almo SC, Bishop J, Haggarty SJ, Ramek A, Berry KN, O’Herin C, Koehler AN, Hung AW, Young DW. Diversity-Oriented Synthesis as a Strategy for Fragment Evolution against GSK3β. ACS Med Chem Lett 2016; 7:852-6. [PMID: 27660690 DOI: 10.1021/acsmedchemlett.6b00230] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Accepted: 07/14/2016] [Indexed: 11/30/2022] Open
Abstract
Traditional fragment-based drug discovery (FBDD) relies heavily on structural analysis of the hits bound to their targets. Herein, we present a complementary approach based on diversity-oriented synthesis (DOS). A DOS-based fragment collection was able to produce initial hit compounds against the target GSK3β, allow the systematic synthesis of related fragment analogues to explore fragment-level structure-activity relationship, and finally lead to the synthesis of a more potent compound.
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Affiliation(s)
- Yikai Wang
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Jean-Yves Wach
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Patrick Sheehan
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Cheng Zhong
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Chenyang Zhan
- Department
of Biochemistry, Albert Einstein College of Medicine, 1300 Morris
Park Avenue, Bronx, New York 10461, United States
| | - Richard Harris
- Department
of Biochemistry, Albert Einstein College of Medicine, 1300 Morris
Park Avenue, Bronx, New York 10461, United States
| | - Steven C. Almo
- Department
of Biochemistry, Albert Einstein College of Medicine, 1300 Morris
Park Avenue, Bronx, New York 10461, United States
| | - Joshua Bishop
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
- Department of Neurology & Psychiatry, Harvard Medical School and Massachusetts General Hospital, 185 Cambridge Street, Boston, Massachusetts 02114, United States
| | - Stephen J. Haggarty
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
- Department of Neurology & Psychiatry, Harvard Medical School and Massachusetts General Hospital, 185 Cambridge Street, Boston, Massachusetts 02114, United States
| | - Alexander Ramek
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Kayla N. Berry
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Conor O’Herin
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Angela N. Koehler
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Alvin W. Hung
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
| | - Damian W. Young
- Chemical
Biology Program, The Broad Institute of Harvard and MIT, 415
Main Street, Cambridge, Massachusetts 02142, United States
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19
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Salih N, Adams H, Jackson RFW. Synthesis of ω-Oxo Amino Acids and trans-5-Substituted Proline Derivatives Using Cross-Metathesis of Unsaturated Amino Acids. J Org Chem 2016; 81:8386-93. [DOI: 10.1021/acs.joc.6b01571] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nabaz Salih
- Department of Chemistry, The University of Sheffield, Dainton Building, Sheffield S3 7HF, U.K
| | - Harry Adams
- Department of Chemistry, The University of Sheffield, Dainton Building, Sheffield S3 7HF, U.K
| | - Richard F. W. Jackson
- Department of Chemistry, The University of Sheffield, Dainton Building, Sheffield S3 7HF, U.K
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20
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Schaubach S, Gebauer K, Ungeheuer F, Hoffmeister L, Ilg MK, Wirtz C, Fürstner A. A Two-Component Alkyne Metathesis Catalyst System with an Improved Substrate Scope and Functional Group Tolerance: Development and Applications to Natural Product Synthesis. Chemistry 2016; 22:8494-507. [DOI: 10.1002/chem.201601163] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Indexed: 01/02/2023]
Affiliation(s)
| | - Konrad Gebauer
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Felix Ungeheuer
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | | | - Marina K. Ilg
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Conny Wirtz
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
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21
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Kalepu J, Katukojvala S. Dienamine Activation of Diazoenals: Application to the Direct Synthesis of Functionalized 1,4-Oxazines. Angew Chem Int Ed Engl 2016; 55:7831-5. [DOI: 10.1002/anie.201600878] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Jagadeesh Kalepu
- Department of Chemistry; Indian Institute of Science Education & Research; Bhopal Madhya Pradesh 462066 India
| | - Sreenivas Katukojvala
- Department of Chemistry; Indian Institute of Science Education & Research; Bhopal Madhya Pradesh 462066 India
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22
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Kalepu J, Katukojvala S. Dienamine Activation of Diazoenals: Application to the Direct Synthesis of Functionalized 1,4-Oxazines. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201600878] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Jagadeesh Kalepu
- Department of Chemistry; Indian Institute of Science Education & Research; Bhopal Madhya Pradesh 462066 India
| | - Sreenivas Katukojvala
- Department of Chemistry; Indian Institute of Science Education & Research; Bhopal Madhya Pradesh 462066 India
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23
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Ponra S, Majumdar KC. Brønsted acid-promoted synthesis of common heterocycles and related bio-active and functional molecules. RSC Adv 2016. [DOI: 10.1039/c5ra27069c] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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24
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Kopel LC, Ahmed MS, Halaweish FT. Synthesis of novel estrone analogs by incorporation of thiophenols via conjugate addition to an enone side chain. Steroids 2013; 78:1119-25. [PMID: 23899492 DOI: 10.1016/j.steroids.2013.07.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Revised: 07/09/2013] [Accepted: 07/18/2013] [Indexed: 12/24/2022]
Abstract
Functionalized estrogen analogs have received interest due to their unique and differing biological activity compared to their parent compounds. The synthesis of a new class of 3-methoxyestrone analogs functionalized at the C17 position possessing both alkyl and aryl substituted α,β-unsaturated ketones is described, along with their thiophenol conjugate addition products.
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Affiliation(s)
- Lucas C Kopel
- Department of Chemistry & Biochemistry, South Dakota State University, Brookings, SD, USA
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25
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A compendium of cyclic sugar amino acids and their carbocyclic and heterocyclic nitrogen analogues. Amino Acids 2013; 45:613-89. [DOI: 10.1007/s00726-013-1521-1] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Accepted: 05/21/2013] [Indexed: 12/19/2022]
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26
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Pal’chikov VA. Morpholines. Synthesis and biological activity. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2013. [DOI: 10.1134/s1070428013060018] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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27
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Veerasamy N, Carlson EC, Collett ND, Saha M, Carter RG. Enantioselective approach to quinolizidines: total synthesis of cermizine D and formal syntheses of senepodine G and cermizine C. J Org Chem 2013; 78:4779-800. [PMID: 23627426 DOI: 10.1021/jo400324t] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The formal syntheses of C5-epi-senepodine G and C5-epi-cermizine C have been accomplished through a novel diastereoselective, intramolecular amide Michael addition process. The total synthesis of cermizine D has been achieved through use of an organocatalyzed, heteroatom Michael addition to access a common intermediate. Additional key steps of this sequence include a matched, diastereoselective alkylation with an iodomethylphenyl sulfide and sulfone-aldehyde coupling/reductive desulfurization sequence to combine the major subunits. The utility of a Hartwig-style C-N coupling has been explored on functionally dense coupling partners. Diastereoselective conjugate additions to α,β-unsaturated sulfones have been investigated, which provided the key sulfone intermediate in just six steps from commercially available starting materials. The formal syntheses of senepodine G and cermizine C have been accomplished through an intramolecular cyclization process of a N-Boc-protected piperidine sulfone.
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Affiliation(s)
- Nagarathanam Veerasamy
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331, USA
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28
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Zhong C, Wang Y, O’Herin C, Young DW. Synthesis of Substituted Morpholines Using Stereodivergent Aza-Michael Reactions Catalyzed by Brønsted Acids. ACS Catal 2013. [DOI: 10.1021/cs400031p] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cheng Zhong
- Chemical
Biology Program, Broad Institute of Harvard and MIT, 7 Cambridge Center, Cambridge, Massachusetts 02142, United States
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts
02138, United States
| | - Yikai Wang
- Chemical
Biology Program, Broad Institute of Harvard and MIT, 7 Cambridge Center, Cambridge, Massachusetts 02142, United States
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts
02138, United States
| | - Conor O’Herin
- Chemical
Biology Program, Broad Institute of Harvard and MIT, 7 Cambridge Center, Cambridge, Massachusetts 02142, United States
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts
02138, United States
| | - Damian W. Young
- Chemical
Biology Program, Broad Institute of Harvard and MIT, 7 Cambridge Center, Cambridge, Massachusetts 02142, United States
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts
02138, United States
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29
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30
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Amara Z, Caron J, Joseph D. Recent contributions from the asymmetric aza-Michael reaction to alkaloids total synthesis. Nat Prod Rep 2013; 30:1211-25. [DOI: 10.1039/c3np20121j] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Tandem cross metathesis and intramolecular aza-Michael reaction to synthesize bicyclic piperidines and indolizidine 167E. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.08.031] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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