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Fang W, Sun BB, Qin SC, Fang LP, Yu XR, Jiang HJ, Yu J. Enantioselective Access to Chiral 2,5-Diketopiperazines via Stereogenic-at-Cobalt(III)-Catalyzed Ugi-4CRs/Cyclization Sequences. J Org Chem 2023; 88:16024-16037. [PMID: 37917565 DOI: 10.1021/acs.joc.3c02013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
An asymmetric synthesis of chiral 2,5-diketopiperazines by the Ugi-4CR/cyclization is exhibited. The employment of catalytic anionic chiral Co(III) complexes delivered α-propiolyl aminoamides in high yields with excellent enantioselectivities (31 examples, up to 95% ee). The following treatment of Ugi-adducts with PPh3 leads to chiral 2,5-DKPs without significant loss of enantioselectivities (26 examples, up to 91% ee).
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Affiliation(s)
- Wei Fang
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Bing-Bing Sun
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Shi-Cheng Qin
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Li-Ping Fang
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Xin-Ran Yu
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Hua-Jie Jiang
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Jie Yu
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
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Gholami H, Cornali BM. Diastereoselective Spirocyclization: Entry to Spirocyclic Diketopiperazines. Org Lett 2023; 25:7822-7826. [PMID: 37857286 DOI: 10.1021/acs.orglett.3c03031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
We report a novel approach to access spirocyclic compounds containing a diketopiperazine (DKP) motif fused on a pyrrolidine ring. The shared spirocyclic carbon is at the ketone oxidation state, bearing two carbon-nitrogen bonds, one of which is introduced stereoselectively during the cyclization event. The reaction proceeds through an acid-catalyzed cyclization of a pendent chiral aminoamide unit onto a 2,3-dehydroproline amide moiety with up to >98:2 diastereoselectivity. We have demonstrated the generality of this methodology and its applicability to access chemically diverse DKP-containing structures. The extent of stereoinduction and how it varies according to the bulkiness of the substituent on the pendent aminoamide is demonstrated through a diverse substrate set. This methodology gives access to an underexplored spirocyclic diketopiperazine motif that may be useful in identifying new bioactive molecules.
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Affiliation(s)
- Hadi Gholami
- Janssen Research and Development, 3210 Merryfield Row, San Diego, California 92121, United States
| | - Brandon M Cornali
- Janssen Research and Development, 3210 Merryfield Row, San Diego, California 92121, United States
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3
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Zhao S, He Y, Gao F, Wei Y, Zhang J, Chen M, Gao Y, Zhang Y, Liu JY, Guo Z, Li Z, Nie S. Rapid access to C2-quaternary 3-methyleneindolines via base-mediated post-Ugi Conia-ene cyclization. Chem Commun (Camb) 2023; 59:3099-3102. [PMID: 36804590 DOI: 10.1039/d2cc06281j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Highly efficient synthesis of diverse 2,2-disubstituted 3-methyleneindoline derivatives through a one-pot base-promoted post-Ugi 5-exo-dig "Conia-ene"-type cyclization has been disclosed. The mechanism study indicates that an intramolecular hydrogen bond may play a vital role in this process. The antiproliferative evaluation of cancer cell lines reveals that this protocol provides practical use in the green synthesis of bioactive compound libraries.
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Affiliation(s)
- Shuang Zhao
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Yi He
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Feiyu Gao
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Yue Wei
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Jiawei Zhang
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Mengxiao Chen
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Yunyun Gao
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Yuan Zhang
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Jun-Yan Liu
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Zufeng Guo
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Zhenghua Li
- School of Science, Westlake University, Zhejiang 310030, China.
| | - Shenyou Nie
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China.
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Yang X, Li S, Zhu Y, Lan Y. Theoretical study on mechanism of cycloaddition reaction between o-alkynylbenzaldoximes and hexynol catalyzed by silver(I). MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Vavsari VF, Nikbakht A, Balalaie S. Annulation of 2‐Alkynylanilines: The Versatile Chemical Compounds. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Vaezeh Fathi Vavsari
- KN Toosi: KN Toosi University of Technology Chemistry IRAN (ISLAMIC REPUBLIC OF)
| | - Ali Nikbakht
- K N Toosi University of Technology Faculty of General Science Chemistry Department of Chemistry, Kavian 9, Dr. Shariati Street 15875-4416 Tehran IRAN (ISLAMIC REPUBLIC OF)
| | - Saeed Balalaie
- K N Toosi University of Technology Faculty of General Science Chemistry Department PO Box 15875-4416 15875-4416 Tehran IRAN (ISLAMIC REPUBLIC OF)
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Ahadi EM, Kejani AA, Khosravi H, Vavsari VF, Balalaie S, Rominger F, Bijanzadeh HR. Domino Decarboxylative Arylation and C-O Selective Bond Formation toward Chromeno[2,3- b]pyridine-2-one Skeletons. J Org Chem 2021; 86:12705-12713. [PMID: 34495658 DOI: 10.1021/acs.joc.1c01220] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Practical Pd-catalyzed 2-pyridones were designed to achieve chromeno[2,3-b]pyridine-2-ones. The reaction proceeds through domino nucleophilic addition and decarboxylative arylation, respectively. This methodology offers a moderately efficient approach to construct the bioactive, fused-heterocyclic skeletons via selective C-O bond formation and decarboxylative arylation in a single step with high selectivity and good yields.
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Affiliation(s)
- Elmira Meghrazi Ahadi
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, 19697 Tehran, Iran
| | - Alireza Abbasi Kejani
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, 19697 Tehran, Iran
| | - Hormoz Khosravi
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, 19697 Tehran, Iran
| | - Vaezeh Fathi Vavsari
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, 19697 Tehran, Iran
| | - Saeed Balalaie
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, 19697 Tehran, Iran.,Medical Biology Research Center, Kermanshah University of Medical Sciences, 6715847141 Kermanshah, Iran
| | - Frank Rominger
- Organisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
| | - Hamid Reza Bijanzadeh
- Department of Environmental Sciences, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, 46417-76489 Tehran, Iran
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Manavi B, Tejeneki HZ, Rominger F, Armaghan M, Frank W, Bijanzadeh HR, Balalaie S. Copper(I)‐Catalyzed Intramolecular Cyclization of
o
‐Propargyloxy Diketopiperazines to Access Diverse Diazabicyclic and Spiro‐Diketopiperazinochromanes. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Bita Manavi
- Peptide Chemistry Research Institute K. N. Toosi University of Technology P. O. Box 15875-4416 Tehran Iran
| | - Hossein Zahedian Tejeneki
- Peptide Chemistry Research Institute K. N. Toosi University of Technology P. O. Box 15875-4416 Tehran Iran
| | - Frank Rominger
- Organisch-Chemisches Institut der Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Mahsa Armaghan
- Institut für Anorganische Chemie und Strukturchemie Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 40225 Düsseldorf Germany
| | - Walter Frank
- Institut für Anorganische Chemie und Strukturchemie Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 40225 Düsseldorf Germany
| | - Hamid Reza Bijanzadeh
- Department of Environmental Sciences, Faculty of Natural Resources and Marine Sciences Tarbiat Modares University Tehran Iran
| | - Saeed Balalaie
- Peptide Chemistry Research Institute K. N. Toosi University of Technology P. O. Box 15875-4416 Tehran Iran
- Medical Biology Research Center Kermanshah University of Medical Sciences Kermanshah Iran
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