1
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Han J, Lyutenko NV, Sorochinsky AE, Okawara A, Konno H, White S, Soloshonok VA. Tailor-Made Amino Acids in Pharmaceutical Industry: Synthetic Approaches to Aza-Tryptophan Derivatives. Chemistry 2021; 27:17510-17528. [PMID: 34913215 DOI: 10.1002/chem.202102485] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/24/2021] [Indexed: 12/22/2022]
Abstract
Over the recent years there has been a noticeable upsurge of interest in aza-analogs of tryptophan which are isosteric to the latter and found numerous applications in medicinal, bioorganic chemistry, and peptide research. In the present review article, five aza-tryptophan derivatives are profiled, including aza-substitution in the positions 2, on the five-membered ring, as well as in positions 4, 5, 6, and 7 on the six-membered ring. A detailed and comprehensive literature overview of the synthetic methods for the preparation of these aza-tryptophans is presented and general facets of the biological properties and most promising applications are discussed.
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Affiliation(s)
- Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and Materials College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Nataliya V Lyutenko
- Department of Fine Organic Synthesis V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 1 Murmanska str., Kyiv, 02094, Ukraine
| | - Alexander E Sorochinsky
- Department of Fine Organic Synthesis V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 1 Murmanska str., Kyiv, 02094, Ukraine
| | - Ayaka Okawara
- Graduate School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata, 992-8510, Japan
| | - Hiroyuki Konno
- Graduate School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata, 992-8510, Japan
| | - Sarah White
- Oakwood Chemical, Inc., 730 Columbia Hwy. N, Estill, SC, 29918, USA
| | - Vadim A Soloshonok
- Department of Organic Chemistry I Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, Plaza Bizkaia, 48013, Bilbao, Spain
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2
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Seibel ZM, Bandar JS, Lambert TH. Enantioenriched α-substituted glutamates/pyroglutamates via enantioselective cyclopropenimine-catalyzed Michael addition of amino ester imines. Beilstein J Org Chem 2021; 17:2077-2084. [PMID: 34476014 PMCID: PMC8381810 DOI: 10.3762/bjoc.17.134] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 08/04/2021] [Indexed: 11/25/2022] Open
Abstract
A procedure for the enantioselective synthesis of α-substituted glutamates and pyroglutamates via a cyclopropenimine-catalyzed Michael addition of amino ester imines is described. Enantioselectivities of up to 94% have been achieved, and a variety of functional groups were found to be compatible. The impact of the catalyst structure and imine substitution is discussed. Compared to other methods, this protocol allows for a broader and more enantioselective access to pyroglutamate derivatives.
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Affiliation(s)
- Zara M Seibel
- Department of Chemistry, Columbia University, New York, New York 10027, USA
| | - Jeffrey S Bandar
- Department of Chemistry, Columbia University, New York, New York 10027, USA
| | - Tristan H Lambert
- Department of Chemistry, Columbia University, New York, New York 10027, USA.,Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
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3
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Nagaoka K, Nakano A, Han J, Sakamoto T, Konno H, Moriwaki H, Abe H, Izawa K, Soloshonok VA. Comparative study of different chiral ligands for dynamic kinetic resolution of amino acids. Chirality 2021; 33:685-702. [PMID: 34402557 DOI: 10.1002/chir.23350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 11/05/2022]
Abstract
Dynamic kinetic resolution (DKR) of unprotected amino acids (AAs), via intermediate formation of Ni(II) complexes, is currently a leading methodology for preparation of natural and tailor-made AAs in enantiomerically pure form. In this work, we conduct a comparative case study of synthetic performance of four different ligands in DKR of six AAs representing aryl-, benzyl-, alkyl-, and long alkyl-type derivatives. The results of this study allow for rational selection of ligand/AA type to develop a practical procedure for preparation of target enantiomerically pure AAs.
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Affiliation(s)
- Keita Nagaoka
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata, Japan
| | - Arina Nakano
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata, Japan
| | - Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | | | - Hiroyuki Konno
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata, Japan
| | | | | | | | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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4
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Song Y, Kim JH, Kim YC, Kim S. Asymmetric Total Synthesis of Oxazolomycins B and C. Chemistry 2021; 27:10731-10736. [PMID: 33999453 DOI: 10.1002/chem.202101341] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Indexed: 11/08/2022]
Abstract
Efforts towards the first total synthesis of (-)-oxazolomycin B and (+)-oxazolomycin C from the intermediate of our previous synthesis of (+)-neoxazolomycin are reported. The syntheses were achieved in a longest linear sequence of 25 steps from the amino acid serine in 3.6 and 2.7 % overall yields, respectively. The efficiency of our approach is derived from silyl triflate-mediated reductive oxazolidine ring-opening and Fürstner's Ru-catalyzed hydrosilylation and protodesilylation reactions. The obtained spectra and optical rotations were in good agreement with those of natural products, thus confirming the structures.
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Affiliation(s)
- Yeonghun Song
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Jae Hyun Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.,College of Pharmacy, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Young Chan Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
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5
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Ma J, Zhou Q, Song G, Song Y, Zhao G, Ding K, Zhao B. Enantioselective Synthesis of Pyroglutamic Acid Esters from Glycinate via Carbonyl Catalysis. Angew Chem Int Ed Engl 2021; 60:10588-10592. [PMID: 33554429 DOI: 10.1002/anie.202017306] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/28/2021] [Indexed: 12/18/2022]
Abstract
Direct α-functionalization of NH2 -free glycinates with relatively weak electrophiles such as α,β-unsaturated esters still remains a big challenge in organic synthesis. With chiral pyridoxal 5 d as a carbonyl catalyst, direct asymmetric conjugated addition at the α-C of glycinate 1 a with α,β-unsaturated esters 2 has been successfully realized, to produce various chiral pyroglutamic acid esters 4 in 14-96 % yields with 81-97 % ee's after in situ lactamization. The trans and cis diastereomers can be obtained at the same time by chromatography and both of them can be easily converted into chiral 4-substituted pyrrolidin-2-ones such as Alzheimer's drug Rolipram (11) with the same absolute configuration via tert-butyl group removal and subsequent Barton decarboxylation.
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Affiliation(s)
- Jiguo Ma
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China.,State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Qinghai Zhou
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Guanshui Song
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Yongchang Song
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Guoqing Zhao
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Kuiling Ding
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Baoguo Zhao
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
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6
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Ma J, Zhou Q, Song G, Song Y, Zhao G, Ding K, Zhao B. Enantioselective Synthesis of Pyroglutamic Acid Esters from Glycinate via Carbonyl Catalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202017306] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Jiguo Ma
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials College of Chemistry and Materials Science Shanghai Normal University Shanghai 200234 China
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Qinghai Zhou
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials College of Chemistry and Materials Science Shanghai Normal University Shanghai 200234 China
| | - Guanshui Song
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials College of Chemistry and Materials Science Shanghai Normal University Shanghai 200234 China
| | - Yongchang Song
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials College of Chemistry and Materials Science Shanghai Normal University Shanghai 200234 China
| | - Guoqing Zhao
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials College of Chemistry and Materials Science Shanghai Normal University Shanghai 200234 China
| | - Kuiling Ding
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Baoguo Zhao
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials College of Chemistry and Materials Science Shanghai Normal University Shanghai 200234 China
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7
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Wang N, Xu J, Mei H, Moriwaki H, Izawa K, Soloshonok VA, Han J. Electrochemical Approaches for Preparation of Tailor-Made Amino Acids. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202102043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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8
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Shigeno Y, Han J, Soloshonok VA, Moriwaki H, Fujiwara W, Konno H. Asymmetric synthesis of (S)-3-methyleneglutamic acid and its N-Fmoc derivative via Michael addition-elimination reaction of chiral glycine Ni (II) complex with enol tosylates. Chirality 2020; 33:115-123. [PMID: 33368628 DOI: 10.1002/chir.23291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/24/2020] [Accepted: 12/03/2020] [Indexed: 01/05/2023]
Abstract
The use of chiral Ni (II)-complexes of glycine Schiff bases has recently emerged as a leading methodology for asymmetric synthesis of structurally diverse Tailor-Made Amino Acids™, playing a key role in the design of modern pharmaceuticals. Here, we report first example of enantioselective preparation of (S)-3-methyleneglutamic acid and its N-Fmoc derivative via a new type of Michael addition-elimination reaction between chiral nucleophilic glycine equivalent and enol tosylates. This reaction was found to proceed with excellent yield (91%) and diastereoselectivity (>99/1 de) allowing straightforward asymmetric synthesis of (S)-3-methyleneglutamic acid derivatives and analogues. The observed results bode well for general application of this Ni (II) complex approach for preparation and biological studies of this previously unknown type of Tailor-Made Amino Acids™.
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Affiliation(s)
- Yuhei Shigeno
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
| | - Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
| | | | - Wataru Fujiwara
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
| | - Hiroyuki Konno
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
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9
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Fu B, Takeda R, Zou Y, Konno H, Moriwaki H, Abe H, Han J, Izawa K, Soloshonok VA. Asymmetric synthesis of (
S
)‐α‐(octyl)glycine via alkylation of Ni(II) complex of chiral glycine Schiff base. Chirality 2020; 32:1354-1360. [DOI: 10.1002/chir.23281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Bo Fu
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering Nanjing Forestry University Nanjing China
| | | | - Yupiao Zou
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering Nanjing Forestry University Nanjing China
| | - Hiroyuki Konno
- Department of Biochemical Engineering, Graduate School of Science and Engineering Yamagata University Yonezawa Japan
| | | | | | - Jianlin Han
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering Nanjing Forestry University Nanjing China
| | | | - Vadim A. Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry University of the Basque Country UPV/EHU San Sebastián Spain
- IKERBASQUE Basque Foundation for Science Bilbao Spain
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10
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Mei H, Han J, White S, Graham DJ, Izawa K, Sato T, Fustero S, Meanwell NA, Soloshonok VA. Tailor-Made Amino Acids and Fluorinated Motifs as Prominent Traits in Modern Pharmaceuticals. Chemistry 2020; 26:11349-11390. [PMID: 32359086 DOI: 10.1002/chem.202000617] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/23/2020] [Indexed: 12/11/2022]
Abstract
Structural analysis of modern pharmaceutical practices allows for the identification of two rapidly growing trends: the introduction of tailor-made amino acids and the exploitation of fluorinated motifs. Curiously, the former represents one of the most ubiquitous classes of naturally occurring compounds, whereas the latter is the most xenobiotic and comprised virtually entirely of man-made derivatives. Herein, 39 selected compounds, featuring both of these traits in the same molecule, are profiled. The total synthesis, source of the corresponding amino acids and fluorinated residues, and medicinal chemistry aspects and biological properties of the molecules are discussed.
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Affiliation(s)
- Haibo Mei
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, P.R. China
| | - Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, P.R. China
| | - Sarah White
- Oakwood Chemical, Inc., 730 Columbia Hwy. N, Estill, SC, 29918, USA
| | - Daniel J Graham
- Oakwood Chemical, Inc., 730 Columbia Hwy. N, Estill, SC, 29918, USA
| | - Kunisuke Izawa
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka, 533-0024, Japan
| | - Tatsunori Sato
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka, 533-0024, Japan
| | - Santos Fustero
- Departamento de Química Orgánica, Universidad de Valencia, 46100, Burjassot, Valencia, Spain
| | - Nicholas A Meanwell
- Department of Small Molecule Drug Discovery, Bristol-Myers Squibb Research and Development, P.O. Box 4000, Princeton, NJ, 08543-4000, USA
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, Plaza Bizkaia, 48013, Bilbao, Spain
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11
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Asymmetric Synthesis of Tailor-Made Amino Acids Using Chiral Ni(II) Complexes of Schiff Bases. An Update of the Recent Literature. Molecules 2020; 25:molecules25122739. [PMID: 32545684 PMCID: PMC7356839 DOI: 10.3390/molecules25122739] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/11/2020] [Accepted: 06/11/2020] [Indexed: 12/04/2022] Open
Abstract
Tailor-made amino acids are indispensable structural components of modern medicinal chemistry and drug design. Consequently, stereo-controlled preparation of amino acids is the area of high research activity. Over last decade, application of Ni(II) complexes of Schiff bases derived from glycine and chiral tridentate ligands has emerged as a leading methodology for the synthesis of various structural types of amino acids. This review article summarizes examples of asymmetric synthesis of tailor-made α-amino acids via the corresponding Ni(II) complexes, reported in the literature over the last four years. A general overview of this methodology is provided, with the emphasis given to practicality, scalability, cost-structure and recyclability of the chiral tridentate ligands.
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12
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Nagaoka K, Mei H, Guo Y, Han J, Konno H, Moriwaki H, Soloshonok VA. Michael addition reactions of chiral glycine Schiff base Ni (II)‐complex with 1‐(1‐phenylsulfonyl)benzene. Chirality 2020; 32:885-893. [DOI: 10.1002/chir.23203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 02/11/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Keita Nagaoka
- School of Chemistry and Chemical Engineering, State of Key Laboratory of CoordinationNanjing University Nanjing China
- Department of Biological Engineering, Graduate School of Science and EngineeringYamagata University Yamagata Japan
| | - Haibo Mei
- School of Chemistry and Chemical Engineering, State of Key Laboratory of CoordinationNanjing University Nanjing China
| | - Yunjie Guo
- School of Chemistry and Chemical Engineering, State of Key Laboratory of CoordinationNanjing University Nanjing China
| | - Jianlin Han
- School of Chemistry and Chemical Engineering, State of Key Laboratory of CoordinationNanjing University Nanjing China
| | - Hiroyuki Konno
- Department of Biological Engineering, Graduate School of Science and EngineeringYamagata University Yamagata Japan
| | | | - Vadim A. Soloshonok
- Department of Organic Chemistry I, Faculty of ChemistryUniversity of the Basque Country UPV/EHU San Sebastián Spain
- IKERBASQUE, Basque Foundation for Science Bilbao Spain
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13
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Romoff TT, Ignacio BG, Mansour N, Palmer AB, Creighton CJ, Abe H, Moriwaki H, Han J, Konno H, Soloshonok VA. Large-Scale Synthesis of the Glycine Schiff Base Ni(II) Complex Derived from (S)- and (R)-N-(2-Benzoyl-4-chlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-2-pyrrolidinecarboxamide. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.9b00399] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Todd T. Romoff
- Hamari Chemicals USA, San Diego, California 92121, United States
| | | | - Noel Mansour
- Hamari Chemicals USA, San Diego, California 92121, United States
| | - Andrew B. Palmer
- Hamari Chemicals USA, San Diego, California 92121, United States
| | | | - Hidenori Abe
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Hiroki Moriwaki
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Jianlin Han
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Hiroyuki Konno
- Department of Biochemical Engineering, Graduate School of Science and Technology, Yamagata University,
Yonezawa, Yamagata 992-8510, Japan
| | - Vadim A. Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
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14
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Tokairin Y, Shigeno Y, Han J, Röschenthaler G, Konno H, Moriwaki H, Soloshonok VA. Asymmetric Synthesis of 4,4-(Difluoro)glutamic Acid via Chiral Ni(II)-Complexes of Dehydroalanine Schiff Bases. Effect of the Chiral Ligands Structure on the Stereochemical Outcome. ChemistryOpen 2020; 9:93-96. [PMID: 32015956 PMCID: PMC6988766 DOI: 10.1002/open.201900343] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/05/2020] [Indexed: 12/18/2022] Open
Abstract
Four differently substituted chiral Ni(II)-complexes of dehydroalanine Schiff base were prepared and reacted with BrCF2COOEt/Cu under the standard reaction conditions. The observed diastereoselectivity was found to depend on the degree and pattern of chlorine substitution for hydrogen in the structure of the dehydroalanine complexes. The unsubstituted complex gave the ratio of diastereomers (S)(2S)/(S)(2R) of 66/34. On the other hand, introduction of chlorine atoms in the strategic positions on the chiral ligands allowed to achieve a practically attractive diastereoselectivity of (∼98.5/1.5). Diastereomerically pure major product was disassembled to prepare 9-fluorenylmethyloxycarbonyl (Fmoc) derivative of (S)-4,4-difluoroglutamic acid.
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Affiliation(s)
- Yoshinori Tokairin
- Department of Life Sciences and ChemistryJacobs University Bremen GmbHCampus Ring 128759BremenGermany
| | - Yuhei Shigeno
- Department of Biochemical Engineering, Graduate School of Science and TechnologyYamagata University, YonezawaYamagata992-8510Japan
| | - Jianlin Han
- College of Chemical EngineeringNanjing Forestry UniversityNanjing210037China
| | - Gerd‐Volker Röschenthaler
- Department of Life Sciences and ChemistryJacobs University Bremen GmbHCampus Ring 128759BremenGermany
| | - Hiroyuki Konno
- Department of Biochemical Engineering, Graduate School of Science and TechnologyYamagata University, YonezawaYamagata992-8510Japan
| | - Hiroki Moriwaki
- Hamari Chemicals Ltd.1-4-29 Kunijima, Higashi-Yodogawa-kuOsaka533-0024Japan
| | - Vadim A. Soloshonok
- Department of Organic Chemistry I, Faculty of ChemistryUniversity of the Basque Country UPV/EHUPaseo Manuel Lardizábal 320018San SebastiánSpain
- IKERBASQUE, Basque Foundation for ScienceMaría Díaz de Haro 3, Plaza Bizkaia48013BilbaoSpain
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15
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Kim JH, Kim I, Song Y, Kim MJ, Kim S. Asymmetric Total Synthesis of (+)‐Neooxazolomycin Using a Chirality‐Transfer Strategy. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906158] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jae Hyun Kim
- College of PharmacySeoul National University 1 Gwanak-ro, Gwanak-gu Seoul 08826 Korea
| | - Illan Kim
- College of PharmacySeoul National University 1 Gwanak-ro, Gwanak-gu Seoul 08826 Korea
| | - Yeonghun Song
- College of PharmacySeoul National University 1 Gwanak-ro, Gwanak-gu Seoul 08826 Korea
| | - Min Jung Kim
- College of PharmacySeoul National University 1 Gwanak-ro, Gwanak-gu Seoul 08826 Korea
| | - Sanghee Kim
- College of PharmacySeoul National University 1 Gwanak-ro, Gwanak-gu Seoul 08826 Korea
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16
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Kim JH, Kim I, Song Y, Kim MJ, Kim S. Asymmetric Total Synthesis of (+)-Neooxazolomycin Using a Chirality-Transfer Strategy. Angew Chem Int Ed Engl 2019; 58:11018-11022. [PMID: 31168911 DOI: 10.1002/anie.201906158] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Indexed: 11/09/2022]
Abstract
The total synthesis of (+)-neooxazolomycin was achieved from the amino-acid d-serine. The efficiency of this approach is derived from the use of principles of memory of chirality and dynamic kinetic resolution in the intramolecular aldol reaction of a serine derivative to build the densely functionalized lactam framework and to install three contiguous stereocenters. The key intermediate was readily elaborated to the target natural product.
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Affiliation(s)
- Jae Hyun Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Illan Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Yeonghun Song
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Min Jung Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
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17
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Han J, Takeda R, Sato T, Moriwaki H, Abe H, Izawa K, Soloshonok VA. Optical Resolution of Rimantadine. Molecules 2019; 24:E1828. [PMID: 31083636 PMCID: PMC6539882 DOI: 10.3390/molecules24091828] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 05/06/2019] [Accepted: 05/11/2019] [Indexed: 02/04/2023] Open
Abstract
This work discloses a new procedure for the resolution of commercially available racemic rimantadine hydrochloride to enantiomerically pure (S)-rimantadine using (R)-phenoxypropionic acid as a recyclable resolving reagent. Good chemical yields, operational ease, and low-cost structure underscore the preparative value of this method for the production of enantiomerically pure rimantadine for medicinal or synthetic studies.
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Affiliation(s)
- Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Ryosuke Takeda
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan.
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain.
| | - Tatsunori Sato
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan.
| | - Hiroki Moriwaki
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan.
| | - Hidenori Abe
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan.
| | - Kunisuke Izawa
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan.
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain.
- IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, Plaza Bizkaia, 48013 Bilbao, Spain.
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18
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Borja-Miranda A, Sánchez-Chávez AC, Polindara-García LA. Ammonium Persulfate Promotes Radical Cyclization of 1,3-Dicarbonyl-Ugi 4-CR Adducts: Synthesis of Polysubstituted γ-Lactams in Aqueous Media. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801871] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Andrés Borja-Miranda
- Instituto de Química; Universidad Nacional Autónoma de México; Ciudad Universitaria 04510 Ciudad de México México
| | | | - Luis A. Polindara-García
- Instituto de Química; Universidad Nacional Autónoma de México; Ciudad Universitaria 04510 Ciudad de México México
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19
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Takahashi M, Moriwaki H, Miwa T, Hoang B, Wang P, Soloshonok VA. Large Scale Synthesis of Chiral (3Z,5Z)-2,7-Dihydro-1H-azepine-Derived Hamari Ligand for General Asymmetric Synthesis of Tailor-Made Amino Acids. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.8b00406] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Motohiro Takahashi
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Hiroki Moriwaki
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Toshio Miwa
- Hamari Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Brittanie Hoang
- Hamari Chemicals USA, San Diego Research Center, 11494 Sorrento Valley Road, San Diego, California 92121, United States
| | - Peng Wang
- Hamari Chemicals USA, San Diego Research Center, 11494 Sorrento Valley Road, San Diego, California 92121, United States
| | - Vadim A. Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, Plaza Bizkaia, 48013 Bilbao, Spain
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20
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Takeda R, Kawashima A, Yamamoto J, Sato T, Moriwaki H, Izawa K, Abe H, Soloshonok VA. Tandem Alkylation-Second-Order Asymmetric Transformation Protocol for the Preparation of Phenylalanine-Type Tailor-Made α-Amino Acids. ACS OMEGA 2018; 3:9729-9737. [PMID: 31459102 PMCID: PMC6644829 DOI: 10.1021/acsomega.8b01424] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 08/08/2018] [Indexed: 05/02/2023]
Abstract
In this work, we disclose an advanced general process for the synthesis of tailor-made α-amino acids (α-AAs) via tandem alkylation-second-order asymmetric transformation. The first step is the alkylation of the chiral Ni(II) complex of glycine Schiff base, which is conducted under mild phase-transfer conditions allowing the structural construction of target α-AAs. The second step is based on the methodologically rare second-order asymmetric transformation, resulting in nearly complete precipitation of the corresponding (SC,RN,RC)-configured diastereomer, which can be collected by a simple filtration. The operational convenience and potential scalability of all experimental procedures, coupled with excellent stereochemical outcome, render this method of high synthetic value for the preparation of various tailor-made α-AAs.
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Affiliation(s)
- Ryosuke Takeda
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
- Department
of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country (UPV/EHU), Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain
- E-mail: (R.T.)
| | - Aki Kawashima
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Junya Yamamoto
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Tatsunori Sato
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Hiroki Moriwaki
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Kunisuke Izawa
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Hidenori Abe
- Hamari
Chemicals Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan
| | - Vadim A. Soloshonok
- Department
of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country (UPV/EHU), Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain
- IKERBASQUE,
Basque Foundation for Science, María Díaz de Haro 3, Plaza Bizkaia, 48013 Bilbao, Spain
- E-mail: (V.A.S.)
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21
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Synthesis of (2S,3S)-β-(trifluoromethyl)-α,β-diamino acid by Mannich addition of glycine Schiff base Ni(II) complexes to N-tert-butylsulfinyl-3,3,3-trifluoroacetaldimine. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2014.09.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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22
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Ishihara J, Hatakeyama S. Total Synthesis of Oxazolomycins. CHEM REC 2014; 14:663-77. [DOI: 10.1002/tcr.201402009] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Indexed: 01/22/2023]
Affiliation(s)
- Jun Ishihara
- Graduate School of Biomedical Sciences; Nagasaki University; Nagasaki 852-8521 Japan
| | - Susumi Hatakeyama
- Graduate School of Biomedical Sciences; Nagasaki University; Nagasaki 852-8521 Japan
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23
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Jörres M, Chen X, Aceña JL, Merkens C, Bolm C, Liu H, Soloshonok VA. Asymmetric Synthesis of α-Amino Acids under Operationally Convenient Conditions. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400405] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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24
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Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases. Part 3: Michael addition reactions and miscellaneous transformations. Amino Acids 2014; 46:2047-73. [DOI: 10.1007/s00726-014-1764-5] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 05/08/2014] [Indexed: 12/17/2022]
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25
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Moriwaki H, Resch D, Li H, Ojima I, Takeda R, Aceña JL, Soloshonok VA. Synthesis and stereochemical assignments of diastereomeric Ni(II) complexes of glycine Schiff base with (R)-2-(N-{2-[N-alkyl-N-(1-phenylethyl)amino]acetyl}amino)benzophenone; a case of configurationally stable stereogenic nitrogen. Beilstein J Org Chem 2014; 10:442-8. [PMID: 24605164 PMCID: PMC3943998 DOI: 10.3762/bjoc.10.41] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 01/17/2014] [Indexed: 01/21/2023] Open
Abstract
A family of chiral ligands derived from α-phenylethylamine and 2-aminobenzophenone were prepared by alkylation of the nitrogen atom. Upon reaction with glycine and a Ni(II) salt, these ligands were transformed into diastereomeric complexes, as a result of the configurational stability of the stereogenic nitrogen atom. Different diastereomeric ratios were observed depending on the substituent R introduced in the starting ligand, and stereochemical assignments were based on X-ray analysis, along with NMR studies and optical rotation measurements.
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Affiliation(s)
- Hiroki Moriwaki
- Department of Chemistry, Institute of Chemical Biology & Drug Discovery, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
- Hamari Chemicals Ltd. 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka, Japan 533-0024
| | - Daniel Resch
- Department of Chemistry, Institute of Chemical Biology & Drug Discovery, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
| | - Hengguang Li
- Department of Chemistry, Institute of Chemical Biology & Drug Discovery, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
| | - Iwao Ojima
- Department of Chemistry, Institute of Chemical Biology & Drug Discovery, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
| | - Ryosuke Takeda
- Hamari Chemicals Ltd. 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka, Japan 533-0024
| | - José Luis Aceña
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country, 20018 San Sebastián, Spain
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country, 20018 San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
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26
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Moriwaki H, Resch D, Li H, Ojima I, Takeda R, Aceña JL, Soloshonok V. Inexpensive chemical method for preparation of enantiomerically pure phenylalanine. Amino Acids 2014; 46:945-52. [DOI: 10.1007/s00726-013-1656-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Accepted: 12/17/2013] [Indexed: 12/16/2022]
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27
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Bergagnini M, Fukushi K, Han J, Shibata N, Roussel C, Ellis TK, Aceña JL, Soloshonok VA. NH-type of chiral Ni(ii) complexes of glycine Schiff base: design, structural evaluation, reactivity and synthetic applications. Org Biomol Chem 2014; 12:1278-91. [DOI: 10.1039/c3ob41959b] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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Heaviside EA, Moloney MG, Thompson AL. Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin. RSC Adv 2014. [DOI: 10.1039/c4ra01967a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Intramolecular aldol reactions on oxazolidine templates derived from threonine may be used to generate libraries of densely functionalised pyroglutamates with a high level of diastereoselectivity.
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Affiliation(s)
| | - Mark G. Moloney
- Department of Chemistry
- Chemistry Research Laboratory
- The University of Oxford
- Oxford, UK
| | - Amber L. Thompson
- Department of Chemistry
- Chemistry Research Laboratory
- The University of Oxford
- Oxford, UK
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29
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Sorochinsky AE, Aceña JL, Moriwaki H, Sato T, Soloshonok V. Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases. Part 2: Aldol, Mannich addition reactions, deracemization and (S) to (R) interconversion of α-amino acids. Amino Acids 2013; 45:1017-33. [DOI: 10.1007/s00726-013-1580-3] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Accepted: 08/11/2013] [Indexed: 10/26/2022]
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30
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Sorochinsky AE, Aceña JL, Moriwaki H, Sato T, Soloshonok VA. Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases; Part 1: alkyl halide alkylations. Amino Acids 2013; 45:691-718. [DOI: 10.1007/s00726-013-1539-4] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Accepted: 06/17/2013] [Indexed: 11/24/2022]
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31
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Yoshino M, Eto K, Takahashi K, Ishihara J, Hatakeyama S. Organocatalytic asymmetric syntheses of inthomycins A, B and C. Org Biomol Chem 2013; 10:8164-74. [PMID: 22971928 DOI: 10.1039/c2ob26084k] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The total syntheses of (+)-inthomycin A, (+)-inthomycin B and (-)-inthomycin C, the oxazole-triene antibiotics isolated from Streptomyces sp., have been accomplished via the highly enantio- and stereoselective construction of the C1-C7 (iododienyl)aldol units by taking advantage of a Cinchona alkaloid-catalyzed asymmetric β-lactone synthesis and their isomerisation-free Stille coupling with (E)-5-(3-(tributylstannyl)allyl)oxazole.
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Affiliation(s)
- Madoka Yoshino
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-Machi, Nagasaki 852-8521, Japan
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32
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Soloshonok VA, Aceña JL, Ueki H, Han J. Design and synthesis of quasi-diastereomeric molecules with unchanging central, regenerating axial and switchable helical chirality via cleavage and formation of Ni(II)-O and Ni(II)-N coordination bonds. Beilstein J Org Chem 2012; 8:1920-8. [PMID: 23209532 PMCID: PMC3511032 DOI: 10.3762/bjoc.8.223] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 10/29/2012] [Indexed: 11/23/2022] Open
Abstract
We describe herein the design and synthesis of asymmetric, pentadentate ligands, which are able to coordinate to Ni(II) cations leading to quasi-diastereomeric complexes displaying two new elements of chirality: stereogenic axis and helix along with configurational stabilization of the stereogenic center on the nitrogen. Due to the stereocongested structural characteristics of the corresponding Ni(II) complexes, the formation of quasi-diastereomeric products is highly stereoselective providing formation of only two, (Ra*,Mh*,Rc*) and (Ra*,Ph*,Rc*), out of the four possible stereochemical combinations. The reversible quasi-diastereomeric transformation between the products (Ra*,Mh*,Rc*) and (Ra*,Ph*,Rc*) occurs by intramolecular trans-coordination of Ni–NH and Ni–O bonds providing a basis for a chiral switch model.
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Affiliation(s)
- Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country, 20018 San Sebastián, Spain ; IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
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33
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Donohoe TJ, O’Riordan TJC, Peifer M, Jones CR, Miles TJ. Asymmetric Synthesis of the Fully Elaborated Pyrrolidinone Core of Oxazolomycin A. Org Lett 2012; 14:5460-3. [DOI: 10.1021/ol302541j] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Timothy J. Donohoe
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K., and Medicines Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
| | - Timothy J. C. O’Riordan
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K., and Medicines Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
| | - Manuel Peifer
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K., and Medicines Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
| | - Christopher R. Jones
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K., and Medicines Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
| | - Timothy J. Miles
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K., and Medicines Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
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34
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Angelov P, Chau YKS, Fryer PJ, Moloney MG, Thompson AL, Trippier PC. Biomimetic synthesis, antibacterial activity and structure-activity properties of the pyroglutamate core of oxazolomycin. Org Biomol Chem 2012; 10:3472-85. [PMID: 22437843 DOI: 10.1039/c2ob00042c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Biomimetic intramolecular aldol reactions on oxazolidine templates derived from serine may be used to generate densely functionalised pyroglutamates, which are simpler mimics of the right hand side of oxazolomycin. Some of the compounds from this sequence exhibit in vivo activity against S. aureus and E. coli, suggesting that pyroglutamate scaffolds may be useful templates for the development of novel antibacterials, and cheminformatic analysis has been used to provide some structure-activity data.
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Affiliation(s)
- Plamen Angelov
- Department of Chemistry, Chemistry Research Laboratory, The University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
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35
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Umezawa T, Sueda M, Kamura T, Kawahara T, Han X, Okino T, Matsuda F. Synthesis and biological activity of kalkitoxin and its analogues. J Org Chem 2011; 77:357-70. [PMID: 22111947 DOI: 10.1021/jo201951s] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Total syntheses of kalkitoxin, isolated from the Caribbean Lyngbya majuscula, and its analogues, 3-epi-, 7-epi-, 8-epi-, 10-epi-, 10-nor-, and 16-nor-kalkitoxin, were achieved via oxazolidinone-based diastereoselective 1,4-addition reaction of a methyl group and efficient TiCl(4)-mediated thiazoline ring formation as the key steps. The biological activities of synthetic kalkitoxin and its analogues were evaluated with brine shrimp.
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Affiliation(s)
- Taiki Umezawa
- Division of Environmental Materials Science, Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
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36
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Bastin R, Dale JW, Edwards MG, Papillon JP, Webb MR, Taylor RJ. Formal synthesis of (+)-neooxazolomycin via a Stille cross-coupling/deconjugation route. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.09.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Teng HL, Luo FL, Tao HY, Wang CJ. A Facile Cu(I)/BINAP-Catalyzed Asymmetric Approach to Functionalized Pyroglutamate Derivatives Bearing a Unique Quaternary Stereogenic Center. Org Lett 2011; 13:5600-3. [DOI: 10.1021/ol202326j] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Huai-Long Teng
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai, 230012, China
| | - Fei-Long Luo
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai, 230012, China
| | - Hai-Yan Tao
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai, 230012, China
| | - Chun-Jiang Wang
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai, 230012, China
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38
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Eto K, Yoshino M, Takahashi K, Ishihara J, Hatakeyama S. Total Synthesis of Oxazolomycin A. Org Lett 2011; 13:5398-401. [DOI: 10.1021/ol202306d] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kohei Eto
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Madoka Yoshino
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Keisuke Takahashi
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Jun Ishihara
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Susumi Hatakeyama
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8521, Japan
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39
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Practical synthesis of fluorine-containing α- and β-amino acids: recipes from Kiev, Ukraine. Future Med Chem 2011; 1:793-819. [PMID: 21426081 DOI: 10.4155/fmc.09.70] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Naturally occurring compounds containing a C-F bond are extremely rare; only a handful of fluorine-containing carboxylic acids have been described so far. By contrast, man-made fluorine-containing derivatives of all major classes of biologically important compounds are extremely promising medicinal targets used in the elucidation of biochemical, metabolic transformations and the development of new pharmaceuticals. Among the fluorine-containing derivatives of natural products, fluorinated analogs of amino acids are of particular interest and medicinal potential. This article presents a concise review of various synthetic methods, developed by the Kiev's school of bioorganic chemistry, for the preparation of fluorine-containing analogs of α- and β-amino acids, α-hydroxy acids, amines, as well as their phosphorus and sulfur-derived compounds, in enantiomerically pure form. One of the major methodological goals of the study was practicality, which is understood by us as stereochemical generality, operational convenience and synthetic affordance for each reaction step and isolation of the target products. The synthetic methods developed by our group can be roughly divided in two general categories: fluorine-adaptation of known synthetic approaches and discovery of new reactions. The former approach is most prominently represented by asymmetric homologation of nucleophilic glycine equivalents using fluorinated substrates via alkyl halide alkylations, aldol and Michael addition reactions. A plethora of discovered unexpected reaction outcomes, in particular stereochemical, are emphasized in this review and the particular role of fluorine, in altering the 'normal' reaction result, is explained. The latter direction is notably represented by the novel 1,3-proton shift reaction, a biomimetic reductive amination of fluorinated carbonyl compounds to the corresponding amines and amino acids, as well as the development of α-fluoroalkyl epoxides as true fluorinated synthons for generalized asymmetric synthesis of various biologically relevant compounds. Despite the highly anticipated potential of fluorine-containing amino compounds, their medicinal chemistry still remains underexplored. The major obstacle, in our opinion, is that these selectively fluorinated compounds are generally unavailable to the medicinal chemists for comprehensive, systematic study. We hope this review of synthetic methods will highlight and bring attention to particular types of fluorinated amino acids and related compounds readily available on a laboratory scale using methods developed by our group.
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Tekkam S, Alam MA, Jonnalagadda SC, Mereddy VR. Novel methodologies for the synthesis of functionalized pyroglutamates. Chem Commun (Camb) 2011; 47:3219-21. [DOI: 10.1039/c0cc05609j] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Rezende P, Paioti PHS, Coelho F. Diastereoselective Approach to Substituted Oxazolidinones from Morita–Baylis–Hillman Adducts. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903534023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Patrícia Rezende
- a Laboratory of Synthesis of Natural Products and Drugs, Department of Organic Chemistry , Chemistry Institute, University of Campinas , Campinas, Brazil
| | - Paulo H. S. Paioti
- a Laboratory of Synthesis of Natural Products and Drugs, Department of Organic Chemistry , Chemistry Institute, University of Campinas , Campinas, Brazil
| | - Fernando Coelho
- a Laboratory of Synthesis of Natural Products and Drugs, Department of Organic Chemistry , Chemistry Institute, University of Campinas , Campinas, Brazil
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Tellam JP, Carbery DR. Development of the Ireland−Claisen Rearrangement of Alkoxy- and Aryloxy-Substituted Allyl Glycinates. J Org Chem 2010; 75:7809-21. [PMID: 20958078 DOI: 10.1021/jo1017124] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- James P. Tellam
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - David R. Carbery
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
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