1
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Kumar S, Kajol K, Nayak P, Kumar A, Ramesh C. Synthesis of tetracyclic 4H-benzo[5,6]chromeno[3,4-d]oxazoles via palladium-catalyzed intramolecular direct heteroarylation. Chem Asian J 2023; 18:e202201151. [PMID: 36519340 DOI: 10.1002/asia.202201151] [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: 11/14/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
We report a palladium-catalyzed intramolecular direct heteroarylation of oxazole tethered β-naphthols to access corresponding tetracyclic 4H-benzo[5,6]chromeno[3,4-d]oxazoles. Various functional groups are well tolerated and furnished the desired products in good to excellent yields under the present reaction conditions. The scale-up reaction and synthetic utility of the resulting molecules have been demonstrated. Moreover, UV/vis absorption and fluorescence emission properties have been evaluated for these polyheterocyclic compounds.
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Affiliation(s)
- Sujeet Kumar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, New Delhi, 110001, India
| | - Km Kajol
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India
| | - Prakash Nayak
- School of Chemical Sciences National Institute of Science Education and Research (NISER), Bhubaneswar, HBNI, Bhubaneswar, 752050, Odisha, India
| | - Amit Kumar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, New Delhi, 110001, India
| | - Chintakunta Ramesh
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, New Delhi, 110001, India
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2
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Palavong N, Jantrapirom J, Tummatorn J, Thongsornkleeb C, Ruchirawat S. Acid‐dependent Divergent Conversion of ortho‐Arylcyclopropanecarbonyl Carboxaldehydes for the Synthesis of Furanodibenzocycloheptenes and Dibenzocycloheptenes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | - Jumreang Tummatorn
- Chulabhorn Research Institute Medicinal chemistry 54 Kamphaeng Phet 6 Talat Bang Khen 10210 Lak Si THAILAND
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3
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Festa A, Raspertov P, Voskressensky L. 2‐(Alkynyl)anilines and derivatives – versatile reagents for heterocyclic synthesis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Alexey Festa
- Peoples' Friendship University of Russia RUSSIAN FEDERATION
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4
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Kolodyazhna TI, Lega DA, Suikov SY, Kyrylchuk AA, Vovk MV, Chernykh VP, Shemchuk LA. Some Aspects of 4
H
‐Pyrans Synthesis Based on 4‐Chloro‐1‐ethyl‐1
H
‐benzo[
c
][1,2]thiazine‐3‐carbaldehyde 2,2‐dioxide: Antimicrobial Activity of the Compounds Synthesized. ChemistrySelect 2021. [DOI: 10.1002/slct.202104103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tatiana I. Kolodyazhna
- Organic Chemistry Department National University of Pharmacy of the Ministry of Health of Ukraine 53, Pushkinska str. Kharkiv 61002 Ukraine
| | - Dmitry A. Lega
- Organic Chemistry Department National University of Pharmacy of the Ministry of Health of Ukraine 53, Pushkinska str. Kharkiv 61002 Ukraine
| | - Sergei Yu. Suikov
- Institute of Organic Chemistry of the National Academy of Sciences of Ukraine 5, Murman'ska str. Kyiv 02660 Ukraine
| | - Andrey A. Kyrylchuk
- Institute of Organic Chemistry of the National Academy of Sciences of Ukraine 5, Murman'ska str. Kyiv 02660 Ukraine
| | - Mykhaylo V. Vovk
- Institute of Organic Chemistry of the National Academy of Sciences of Ukraine 5, Murman'ska str. Kyiv 02660 Ukraine
| | - Valentine P. Chernykh
- Organic Chemistry Department National University of Pharmacy of the Ministry of Health of Ukraine 53, Pushkinska str. Kharkiv 61002 Ukraine
| | - Leonid A. Shemchuk
- Organic Chemistry Department National University of Pharmacy of the Ministry of Health of Ukraine 53, Pushkinska str. Kharkiv 61002 Ukraine
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5
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Giniyatullina GV, Petrova AV, Mustafin AG, Zileeva ZR, Kuzmina US, Vakhitova YV, Kazakova OB. Synthesis and Promising Cytotoxic Activity of Betulonic Acid Modified Derivatives. ChemistrySelect 2021. [DOI: 10.1002/slct.202101687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | - Akhat G. Mustafin
- Ufa Institute of Chemistry UFRC RAS Ufa 71 pr. Oktyabrya 450054 Russian Federation
| | - Zulfia R. Zileeva
- Institute of Biochemistry and Genetics UFRC RAS Ufa 71 pr. Oktyabrya 450054 Russian Federation
| | - Ulyana Sh. Kuzmina
- Institute of Biochemistry and Genetics UFRC RAS Ufa 71 pr. Oktyabrya 450054 Russian Federation
| | - Yulia V. Vakhitova
- Institute of Biochemistry and Genetics UFRC RAS Ufa 71 pr. Oktyabrya 450054 Russian Federation
| | - Oxana B. Kazakova
- Ufa Institute of Chemistry UFRC RAS Ufa 71 pr. Oktyabrya 450054 Russian Federation
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6
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Huang T, Yang C, Shi Y, Chen J, Wang T, Guo X, Liu X, Ding H, Wu Z, Hai L, Wu Y. One‐Pot Construction of Diverse Products using Versatile Cyclopropenones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100845] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tianle Huang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Chunyan Yang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Yuesen Shi
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Jian Chen
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Ting Wang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Xiaoyu Guo
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Xuexin Liu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Haosheng Ding
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Zhouping Wu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Li Hai
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
| | - Yong Wu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
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7
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Yanai H, Kawazoe T, Ishii N, Witulski B, Matsumoto T. Regioselective Synthesis of 4-Aryl-1,3-dihydroxy-2-naphthoates through 1,2-Aryl-Migrative Ring Rearrangement Reaction and their Photoluminescence Properties. Chemistry 2021; 27:11442-11449. [PMID: 34018653 DOI: 10.1002/chem.202101459] [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: 04/23/2021] [Indexed: 11/08/2022]
Abstract
4-Aryl-1,3-dihydroxy-2-naphthoates having the less accessible 1,2,3,4-tetrasubstituted naphthalene scaffold and that show photoluminescence emission from solid state as well as in solutions, were selectively synthesized from brominated lactol silyl ethers through the 1,2-aryl-migrative ring rearrangement reaction.
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Affiliation(s)
- Hikaru Yanai
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Teru Kawazoe
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Nobuyuki Ishii
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Bernhard Witulski
- Laboratoire de Chimie Moléculaire et Thio-organique, CNRS UMR 6507, ENSICAEN & UNICaen, Normandie Univ., 6 Bvd Maréchal Juin, Caen, 14050, France
| | - Takashi Matsumoto
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
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8
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Furiassi L, Tonogai EJ, Hergenrother PJ. Limonin as a Starting Point for the Construction of Compounds with High Scaffold Diversity. Angew Chem Int Ed Engl 2021; 60:16119-16128. [PMID: 33973348 PMCID: PMC8260459 DOI: 10.1002/anie.202104228] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Indexed: 12/21/2022]
Abstract
Structurally complex natural products have been a fruitful source for the discovery and development of new drugs. In an effort to construct a compound collection populated by architecturally complex members with unique scaffolds, we have used the natural product limonin as a starting point. Limonin is an abundant triterpenoid natural product and, through alteration of its heptacyclic core ring system using short synthetic sequences, a collection of 98 compounds was created, including multiple members with novel ring systems. The reactions leveraged in the construction of these compounds include novel ring cleavage, rearrangements, and cyclizations, and this work is highlighted by the discovery of a novel B-ring cleavage reaction, a unique B/C-ring rearrangement, an atypical D-ring cyclization, among others. Computational analysis shows that 52 different scaffolds/ring systems were produced during the course of this work, of which 36 are unprecedented. Phenotypic screening and structure-activity relationships identified compounds with activity against a panel of cancer cell lines.
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Affiliation(s)
- Lucia Furiassi
- Department of Chemistry, Carl R. Woese Institute for Genomic Biology, Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Emily J Tonogai
- Department of Chemistry, Carl R. Woese Institute for Genomic Biology, Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Paul J Hergenrother
- Department of Chemistry, Carl R. Woese Institute for Genomic Biology, Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
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9
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Furiassi L, Tonogai EJ, Hergenrother PJ. Limonin as a Starting Point for the Construction of Compounds with High Scaffold Diversity. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Lucia Furiassi
- Department of Chemistry Carl R. Woese Institute for Genomic Biology Cancer Center at Illinois University of Illinois at Urbana-Champaign Urbana IL 61801 USA
| | - Emily J. Tonogai
- Department of Chemistry Carl R. Woese Institute for Genomic Biology Cancer Center at Illinois University of Illinois at Urbana-Champaign Urbana IL 61801 USA
| | - Paul J. Hergenrother
- Department of Chemistry Carl R. Woese Institute for Genomic Biology Cancer Center at Illinois University of Illinois at Urbana-Champaign Urbana IL 61801 USA
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10
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He G, List B, Christmann M. Unified Synthesis of Polycyclic Alkaloids by Complementary Carbonyl Activation**. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Guoli He
- Freie Universität Berlin Institute of Chemistry and Biochemistry Takustrasse 3 14195 Berlin Germany
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Mathias Christmann
- Freie Universität Berlin Institute of Chemistry and Biochemistry Takustrasse 3 14195 Berlin Germany
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11
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He G, List B, Christmann M. Unified Synthesis of Polycyclic Alkaloids by Complementary Carbonyl Activation*. Angew Chem Int Ed Engl 2021; 60:13591-13596. [PMID: 33769684 PMCID: PMC8252720 DOI: 10.1002/anie.202102518] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Indexed: 01/23/2023]
Abstract
A complementary dual carbonyl activation strategy for the synthesis of polycyclic alkaloids has been developed. Successful applications include the synthesis of tetracyclic alkaloids harmalanine and harmalacinine, pentacyclic indoloquinolizidine alkaloid nortetoyobyrine, and octacyclic β-carboline alkaloid peganumine A. The latter synthesis features a protecting-group-free assembly and an asymmetric disulfonimide-catalyzed cyclization. Furthermore, formal syntheses of hirsutine, deplancheine, 10-desbromoarborescidine A, and oxindole alkaloids rhynchophylline and isorhynchophylline have been achieved. Finally, a concise synthesis of berberine alkaloid ilicifoline B was completed.
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Affiliation(s)
- Guoli He
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustrasse 3, 14195, Berlin, Germany
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Mathias Christmann
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustrasse 3, 14195, Berlin, Germany
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12
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Benke Z, Remete AM, Semghouli A, Kiss L. Selective Functionalization of Norbornadiene Through Nitrile Oxide Cycloaddition/Ring‐Opening/Cross‐Metathesis Protocols. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zsanett Benke
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
| | - Attila M. Remete
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
| | - Anas Semghouli
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
| | - Loránd Kiss
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
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13
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Kiss L, Benke Z, Remete AM, Fülöp F. Diversity-oriented Functionalization of Cyclodienes Through Selective Cycloaddition/Ring-opening/Cross-metathesis Protocols; Transformation of a "Flatland" into Three-dimensional Scaffolds With Stereo- and Regiocontrol. CHEM REC 2020; 20:1129-1141. [PMID: 32720742 DOI: 10.1002/tcr.202000070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/05/2020] [Accepted: 07/06/2020] [Indexed: 01/07/2023]
Abstract
This article presents selective transformations of some readily available cyclodienes through simple chemical procedures into novel functionalized small-molecular entities. The syntheses hereby described involved selective cycloadditions, followed by ring-opening metathesis of the resulting β-lactam or isoxazoline derivatives and selective cross-metathesis by differentiation of the olefin bonds on the alkenylated heterocycles. The cross-metathesis transformations have been detailed, which were performed under various experimental conditions with the aim of exploring chemodiscrimination of the olefin bonds and delivering the corresponding functionalized β-lactam or isoxazoline derivatives.
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Affiliation(s)
- Loránd Kiss
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary
| | - Zsanett Benke
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary
| | - Attila M Remete
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary.,MTA-SZTE Stereochemistry Research Group, Hungarian Academy of Sciences, H-6720, Szeged, Eötvös u. 6, Hungary
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14
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Coley CW, Eyke NS, Jensen KF. Autonomous Discovery in the Chemical Sciences Part I: Progress. Angew Chem Int Ed Engl 2020; 59:22858-22893. [DOI: 10.1002/anie.201909987] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Connor W. Coley
- Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
| | - Natalie S. Eyke
- Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
| | - Klavs F. Jensen
- Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
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15
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Coley CW, Eyke NS, Jensen KF. Autonome Entdeckung in den chemischen Wissenschaften, Teil I: Fortschritt. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201909987] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Connor W. Coley
- Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
| | - Natalie S. Eyke
- Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
| | - Klavs F. Jensen
- Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
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16
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Zimmermann S, Akbarzadeh M, Otte F, Strohmann C, Sankar MG, Ziegler S, Pahl A, Sievers S, Kumar K. A Scaffold-Diversity Synthesis of Biologically Intriguing Cyclic Sulfonamides. Chemistry 2019; 25:15498-15503. [PMID: 31518018 PMCID: PMC6916640 DOI: 10.1002/chem.201904175] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Indexed: 12/11/2022]
Abstract
A "branching-folding" synthetic strategy that affords a range of diverse cyclic benzo-sulfonamide scaffolds is presented. Whereas different annulation reactions on common ketimine substrates build the branching phase of the scaffold synthesis, a common hydrogenative ring-expansion method, facilitated by an increase of the ring-strain during the branching phase, led to sulfonamides bearing medium-sized rings in a folding pathway. Cell painting assay was successfully employed to identify tubulin targeting sulfonamides as novel mitotic inhibitors.
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Affiliation(s)
- Stefan Zimmermann
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
- Fakultät Chemie und Chemische BiologieTechnische Universität DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Mohammad Akbarzadeh
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
| | - Felix Otte
- Fakultät Chemie und Chemische BiologieTechnische Universität DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Carsten Strohmann
- Fakultät Chemie und Chemische BiologieTechnische Universität DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Muthukumar Gomathi Sankar
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
| | - Slava Ziegler
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
| | - Axel Pahl
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
| | - Sonja Sievers
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
| | - Kamal Kumar
- Abteilung Chemische BiologieMax-Planck-Institut für Molekulare PhysiologieOtto-Hahn-Straße 1144227DortmundGermany
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17
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Grygorenko OO, Volochnyuk DM, Ryabukhin SV, Judd DB. The Symbiotic Relationship Between Drug Discovery and Organic Chemistry. Chemistry 2019; 26:1196-1237. [PMID: 31429510 DOI: 10.1002/chem.201903232] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/19/2019] [Indexed: 12/20/2022]
Abstract
All pharmaceutical products contain organic molecules; the source may be a natural product or a fully synthetic molecule, or a combination of both. Thus, it follows that organic chemistry underpins both existing and upcoming pharmaceutical products. The reverse relationship has also affected organic synthesis, changing its landscape towards increasingly complex targets. This Review article sets out to give a concise appraisal of this symbiotic relationship between organic chemistry and drug discovery, along with a discussion of the design concepts and highlighting key milestones along the journey. In particular, criteria for a high-quality compound library design enabling efficient virtual navigation of chemical space, as well as rise and fall of concepts for its synthetic exploration (such as combinatorial chemistry; diversity-, biology-, lead-, or fragment-oriented syntheses; and DNA-encoded libraries) are critically surveyed.
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Affiliation(s)
- Oleksandr O Grygorenko
- Enamine Ltd., Chervonotkatska Street 78, Kiev, 02094, Ukraine.,Taras Shevchenko National University of Kiev, Volodymyrska Street 60, Kiev, 01601, Ukraine
| | - Dmitriy M Volochnyuk
- Enamine Ltd., Chervonotkatska Street 78, Kiev, 02094, Ukraine.,Taras Shevchenko National University of Kiev, Volodymyrska Street 60, Kiev, 01601, Ukraine.,Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kiev, 02660, Ukraine
| | - Sergey V Ryabukhin
- Enamine Ltd., Chervonotkatska Street 78, Kiev, 02094, Ukraine.,Taras Shevchenko National University of Kiev, Volodymyrska Street 60, Kiev, 01601, Ukraine
| | - Duncan B Judd
- Awridian Ltd., Stevenage Bioscience Catalyst, Gunnelswood Road, Stevenage, Herts, SG1 2FX, UK
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18
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Unravelling the Synthesis and Chemistry of Stable, Acyclic, and Double‐Deficient 1,3‐Butadienes: An
endo
‐Selective Diels–Alder Route to Hedgehog Pathway Inhibitors. Chemistry 2019; 25:2717-2722. [DOI: 10.1002/chem.201805823] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Indexed: 12/20/2022]
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19
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Pawar TJ, Jiang H, Vázquez MA, Villegas Gómez C, Cruz Cruz D. Aminocatalytic Privileged Diversity-Oriented Synthesis (ApDOS): An Efficient Strategy to Populate Relevant Chemical Spaces. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800273] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tushar J. Pawar
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Hao Jiang
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Miguel A. Vázquez
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Clarisa Villegas Gómez
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - David Cruz Cruz
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
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20
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Evanno L, Lachkar D, Lamali A, Boufridi A, Séon-Méniel B, Tintillier F, Saulnier D, Denis S, Genta-Jouve G, Jullian JC, Leblanc K, Beniddir MA, Petek S, Debitus C, Poupon E. A Ring-Distortion Strategy from Marine Natural Product Ilimaquinone Leads to Quorum Sensing Modulators. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Laurent Evanno
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - David Lachkar
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Assia Lamali
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Asmaa Boufridi
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Blandine Séon-Méniel
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Florent Tintillier
- EIO; UPF-IRD-Ifremer; Institut Louis Malardé; BP529 98713 Papeete Tahiti Polynésie française
| | - Denis Saulnier
- EIO; IRD-UPF-Ifremer; Institut Louis Malardé; BP 49 98719 Taravao Tahiti Polynésie française
| | - Stéphanie Denis
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Grégory Genta-Jouve
- Dr Grégory Genta-Jouve; Laboratoire de Chimie-Toxicologie Analytique et Cellulaire (C-TAC); Université Paris Descartes; 4 Avenue de l'observatoire 75006 Paris France
| | | | - Karine Leblanc
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Mehdi A. Beniddir
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
| | - Sylvain Petek
- LEMAR; IRD-UBO-CNRS-IFREMER; IUEM; rue Dumont d'Urville 29280 Plouzané France
| | - Cécile Debitus
- LEMAR; IRD-UBO-CNRS-IFREMER; IUEM; rue Dumont d'Urville 29280 Plouzané France
| | - Erwan Poupon
- BioCIS; Université Paris-Sud; Université Paris-Saclay; 92290 Châtenay-Malabry France
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21
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Sankar MG, Roy S, Tran TTN, Wittstein K, Bauer JO, Strohmann C, Ziegler S, Kumar K. Scaffold Diversity Synthesis Delivers Complex, Structurally, and Functionally Distinct Tetracyclic Benzopyrones. ChemistryOpen 2018; 7:302-309. [PMID: 29721402 PMCID: PMC5917230 DOI: 10.1002/open.201800025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Indexed: 12/19/2022] Open
Abstract
Complexity-generating chemical transformations that afford novel molecular scaffolds enriched in sp3 character are highly desired. Here, we present a highly stereoselective scaffold diversity synthesis approach that utilizes cascade double-annulation reactions of diverse pairs of zwitterionic and non-zwitterionic partners with 3-formylchromones to generate highly complex tetracyclic benzopyrones. Each pair of annulation partners adds to the common chroman-4-one scaffold to build two new rings, supporting up to four contiguous chiral centers that include an all-carbon quaternary center. Differently ring-fused benzopyrones display different biological activities, thus demonstrating their immense potential in medicinal chemistry and chemical biology research.
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Affiliation(s)
- Muthukumar G. Sankar
- Department of Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn Str. 1144227DortmundGermany
| | - Sayantani Roy
- Department of Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn Str. 1144227DortmundGermany
| | - Tuyen Thi Ngoc Tran
- Department of Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn Str. 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University of DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Kathrin Wittstein
- Department of Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn Str. 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University of DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Jonathan O. Bauer
- Faculty of Chemistry and Chemical BiologyTechnical University of DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Carsten Strohmann
- Faculty of Chemistry and Chemical BiologyTechnical University of DortmundOtto-Hahn Str. 644227DortmundGermany
| | - Slava Ziegler
- Department of Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn Str. 1144227DortmundGermany
| | - Kamal Kumar
- Department of Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn Str. 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University of DortmundOtto-Hahn Str. 644227DortmundGermany
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22
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Lee YC, Kumar K, Waldmann H. Ligandengesteuerte divergente Synthese von carbo- und heterocyclischen Ringsystemen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201710247] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Yen-Chun Lee
- Max-Planck-Institut für molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
- Fakultät Chemie und Chemische Biologie; Technische Universität Dortmund; Otto-Hahn-Straße 6 44227 Dortmund Deutschland
| | - Kamal Kumar
- Max-Planck-Institut für molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
| | - Herbert Waldmann
- Max-Planck-Institut für molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Straße 11 44227 Dortmund Deutschland
- Fakultät Chemie und Chemische Biologie; Technische Universität Dortmund; Otto-Hahn-Straße 6 44227 Dortmund Deutschland
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23
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Lee YC, Kumar K, Waldmann H. Ligand-Directed Divergent Synthesis of Carbo- and Heterocyclic Ring Systems. Angew Chem Int Ed Engl 2018; 57:5212-5226. [DOI: 10.1002/anie.201710247] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Yen-Chun Lee
- Max-Planck Institut für molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn Str. 11 44227 Dortmund Germany
- Fakultät Chemie und Chemische Biologie; Technische Universität Dortmund; Otto-Hahn Str. 6 44227 Dortmund Germany
| | - Kamal Kumar
- Max-Planck Institut für molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn Str. 11 44227 Dortmund Germany
| | - Herbert Waldmann
- Max-Planck Institut für molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn Str. 11 44227 Dortmund Germany
- Fakultät Chemie und Chemische Biologie; Technische Universität Dortmund; Otto-Hahn Str. 6 44227 Dortmund Germany
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24
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He Y, Li Z, Robeyns K, Van Meervelt L, Van der Eycken EV. A Gold-Catalyzed Domino Cyclization Enabling Rapid Construction of Diverse Polyheterocyclic Frameworks. Angew Chem Int Ed Engl 2017; 57:272-276. [PMID: 29144011 DOI: 10.1002/anie.201710592] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Indexed: 12/28/2022]
Abstract
We report herein an efficient gold(I)-catalyzed post-Ugi domino dearomatization/ipso-cyclization/Michael sequence that enables access to libraries of diverse (hetero)arene-annulated tricyclic heterocycles. This process affords novel complex polycyclic scaffolds in moderate to good yields from readily available acyclic precursors with excellent chemo-, regio-, and diastereoselectivity. The power of this strategy has been demonstrated by the rapid synthesis of 40 highly functionalized polyheterocycles bearing indole, pyrrole, (benzo)furan, (benzo)thiophene, pyrazole, and electron-rich arene groups in two operational steps.
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Affiliation(s)
- Yi He
- Laboratory for Organic and Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Heverlee, 3001, Leuven, Belgium
| | - Zhenghua Li
- Laboratory for Organic and Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Heverlee, 3001, Leuven, Belgium
| | - Koen Robeyns
- Institute of Condensed Matter and Nanosciences, MOST-Inorganic Chemistry, Université catholique de Louvain, Place L. Pasteur 1, 1348, Louvain-la-Neuve, Belgium
| | - Luc Van Meervelt
- Biomolecular Architecture, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Heverlee, 3001, Leuven, Belgium
| | - Erik V Van der Eycken
- Laboratory for Organic and Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Heverlee, 3001, Leuven, Belgium.,Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow, 117198, Russia
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25
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He Y, Li Z, Robeyns K, Van Meervelt L, Van der Eycken EV. A Gold-Catalyzed Domino Cyclization Enabling Rapid Construction of Diverse Polyheterocyclic Frameworks. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710592] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yi He
- Laboratory for Organic and Microwave-Assisted Chemistry (LOMAC), Department of Chemistry; KU Leuven; Celestijnenlaan 200F, Heverlee 3001 Leuven Belgium
| | - Zhenghua Li
- Laboratory for Organic and Microwave-Assisted Chemistry (LOMAC), Department of Chemistry; KU Leuven; Celestijnenlaan 200F, Heverlee 3001 Leuven Belgium
| | - Koen Robeyns
- Institute of Condensed Matter and Nanosciences; MOST-Inorganic Chemistry; Université catholique de Louvain; Place L. Pasteur 1 1348 Louvain-la-Neuve Belgium
| | - Luc Van Meervelt
- Biomolecular Architecture; Department of Chemistry; KU Leuven; Celestijnenlaan 200F, Heverlee 3001 Leuven Belgium
| | - Erik V. Van der Eycken
- Laboratory for Organic and Microwave-Assisted Chemistry (LOMAC), Department of Chemistry; KU Leuven; Celestijnenlaan 200F, Heverlee 3001 Leuven Belgium
- Peoples Friendship University of Russia (RUDN University); 6 Miklukho-Maklaya Street Moscow 117198 Russia
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26
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Zheng L, Hua R. C-H Activation and Alkyne Annulation via Automatic or Intrinsic Directing Groups: Towards High Step Economy. CHEM REC 2017; 18:556-569. [PMID: 28681990 DOI: 10.1002/tcr.201700024] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 06/30/2017] [Indexed: 12/31/2022]
Abstract
Direct transformation of carbon-hydrogen bond (C-H) has emerged to be a trend for construction of molecules from building blocks with no or less prefunctionalization, leading high atom and step economy. Directing group (DG) strategy is widely used to achieve higher reactivity and selectivity, but additional steps are usually needed for installation and/or cleavage of DGs, limiting step economy of the overall transformation. To meet this challenge, we proposed a concept of automatic DG (DGauto ), which is auto-installed and/or auto-cleavable. Multifunctional oxime and hydrazone DGauto were designed for C-H activation and alkyne annulation to furnish diverse nitrogen-containing heterocycles. Imidazole was employed as an intrinsic DG (DGin ) to synthesize ring-fused and π-extended functional molecules. The alkyne group in the substrates can also be served as DGin for ortho-C-H activation to afford carbocycles. In this account, we intend to give a review of our progress in this area and brief introduction of other related advances on C-H functionalization using DGauto or DGin strategies.
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Affiliation(s)
- Liyao Zheng
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, P.R. China
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P.R. China
| | - Ruimao Hua
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, P.R. China
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27
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Laraia L, Ohsawa K, Konstantinidis G, Robke L, Wu YW, Kumar K, Waldmann H. Discovery of Novel Cinchona-Alkaloid-Inspired Oxazatwistane Autophagy Inhibitors. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611670] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Luca Laraia
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Kosuke Ohsawa
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Georgios Konstantinidis
- Chemical Genomics Center of the Max Planck Society; Otto-Hahn-Str. 15 44227 Dortmund Germany
| | - Lucas Robke
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Yao-Wen Wu
- Chemical Genomics Center of the Max Planck Society; Otto-Hahn-Str. 15 44227 Dortmund Germany
| | - Kamal Kumar
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Herbert Waldmann
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Str. 6 44227 Dortmund Germany
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28
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Laraia L, Ohsawa K, Konstantinidis G, Robke L, Wu YW, Kumar K, Waldmann H. Discovery of Novel Cinchona-Alkaloid-Inspired Oxazatwistane Autophagy Inhibitors. Angew Chem Int Ed Engl 2017; 56:2145-2150. [DOI: 10.1002/anie.201611670] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Indexed: 01/09/2023]
Affiliation(s)
- Luca Laraia
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Kosuke Ohsawa
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Georgios Konstantinidis
- Chemical Genomics Center of the Max Planck Society; Otto-Hahn-Str. 15 44227 Dortmund Germany
| | - Lucas Robke
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Yao-Wen Wu
- Chemical Genomics Center of the Max Planck Society; Otto-Hahn-Str. 15 44227 Dortmund Germany
| | - Kamal Kumar
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Herbert Waldmann
- Max Planck Institute of Molecular Physiology; Department of Chemical Biology; Otto-Hahn-Str. 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Str. 6 44227 Dortmund Germany
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29
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Kesava-Reddy N, Golz C, Strohmann C, Kumar K. Silver(I)-Catalyzed Enantioselective [3+2]-Cycloaddition Reaction of α-Silylimines: A Facile Route to Quaternary-Carbon-Rich Scaffolds. Chemistry 2016; 22:18373-18377. [DOI: 10.1002/chem.201604793] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Naredla Kesava-Reddy
- Abteilung Chemische Biologie; Max-Planck-Institut für Molekulare Physiologie; Otto-Hahn-Straße 11 44227 Dortmund Germany
| | - Christopher Golz
- Fakultät Chemie und Chemische Biologie; Technische Universität Dortmund; Otto-Hahn-Straße 6 44221 Dortmund Germany
| | - Carsten Strohmann
- Fakultät Chemie und Chemische Biologie; Technische Universität Dortmund; Otto-Hahn-Straße 6 44221 Dortmund Germany
| | - Kamal Kumar
- Abteilung Chemische Biologie; Max-Planck-Institut für Molekulare Physiologie; Otto-Hahn-Straße 11 44227 Dortmund Germany
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30
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Bansode AH, Chimala P, Patil NT. Catalytic Branching Cascades in Diversity Oriented Synthesis. ChemCatChem 2016. [DOI: 10.1002/cctc.201600766] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Avinash H. Bansode
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune - 411 008 India
| | - Prathyusha Chimala
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune - 411 008 India
| | - Nitin T. Patil
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road Pune - 411 008 India
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31
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Kikuchi H, Nishimura T, Kwon E, Kawai J, Oshima Y. Development of a Terpenoid Alkaloid-like Compound Library Based on the Humulene Skeleton. Chemistry 2016; 22:15819-15825. [DOI: 10.1002/chem.201603224] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Indexed: 01/10/2023]
Affiliation(s)
- Haruhisa Kikuchi
- Graduate School of Pharmaceutical Sciences; Tohoku University; 6-3, Aza-Aoba, Aoba-ku Sendai 980-8578 Japan
| | - Takehiro Nishimura
- Graduate School of Pharmaceutical Sciences; Tohoku University; 6-3, Aza-Aoba, Aoba-ku Sendai 980-8578 Japan
| | - Eunsang Kwon
- Research and Analytical Center for Giant Molecules, Graduate School of Science; Tohoku University; 6-3, Aza-Aoba, Aoba-ku Sendai 980-8578 Japan
| | - Junya Kawai
- Mushroom Research Laboratory; Hokuto Corporation; Nagano 381-0008 Japan
| | - Yoshiteru Oshima
- Graduate School of Pharmaceutical Sciences; Tohoku University; 6-3, Aza-Aoba, Aoba-ku Sendai 980-8578 Japan
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