1
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Nishikata T. α-Halocarbonyls as a Valuable Functionalized Tertiary Alkyl Source. ChemistryOpen 2024:e202400108. [PMID: 38989712 DOI: 10.1002/open.202400108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/21/2024] [Indexed: 07/12/2024] Open
Abstract
This review introduces the synthetic organic chemical value of α-bromocarbonyl compounds with tertiary carbons. This α-bromocarbonyl compound with a tertiary carbon has been used primarily only as a radical initiator in atom transfer radical polymerization (ATRP) reactions. However, with the recent development of photo-radical reactions (around 2010), research on the use of α-bromocarbonyl compounds as tertiary alkyl radical precursors became popular (around 2012). As more examples were reported, α-bromocarbonyl compounds were studied not only as radicals but also for their applications in organometallic and ionic reactions. That is, α-bromocarbonyl compounds act as nucleophiles as well as electrophiles. The carbonyl group of α-bromocarbonyl compounds is also attractive because it allows the skeleton to be converted after the reaction, and it is being applied to total synthesis. In our survey until 2022, α-bromocarbonyl compounds can be used to perform a full range of reactions necessary for organic synthesis, including multi-component reactions, cross-coupling, substitution, cyclization, rearrangement, stereospecific reactions, asymmetric reactions. α-Bromocarbonyl compounds have created a new trend in tertiary alkylation, which until then had limited reaction patterns in organic synthesis. This review focuses on how α-bromocarbonyl compounds can be used in synthetic organic chemistry.
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Affiliation(s)
- Takashi Nishikata
- Graduate School of Science and Engineering, Yamaguchi University, 2-16-1 Tokiwadai, Ube, Yamaguchi, 755-8611, Japan
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2
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Eyilcim O, Gunay F, Gunkara OT, Ng YY, Ulucan O, Erden I. Design and synthesis of novel 1,2,3,4-tetrazines as new anti-leukemia cancer agents. Chem Biol Drug Des 2023; 102:1186-1201. [PMID: 37730958 DOI: 10.1111/cbdd.14328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/06/2023] [Accepted: 07/24/2023] [Indexed: 09/22/2023]
Abstract
A series of novel 1,2,3,4-tetrazines were designed and synthesized. 1 H-NMR spectroscopy, 13 C NMR spectroscopy, and HRMS were used to determine the structures of this novel compounds. Computational approaches suggested that DHFR is a putative target for the newly synthesized 11 compounds. Extensive molecular dynamics simulations followed by molecular docking simulations were employed to evaluate DHFR as a potential target protein. The anticancer activities of the compounds were evaluated against five different types of leukemia cell lines (Jurkat, Nalm-6, Reh, K562, and Molt-4) and one non-leukemic cell line (Hek293T) by MTT test in vitro and imatinib was used as a control drug. Among these compounds, 3a exhibited the best activity against all the leukemic cell lines, except Reh cell line. For Nalm-6, K562, Jurkat, and Molt-4 cell lines, IC50 values were found to be 15.98, 19.12, 23.15, and 25.80 μM, respectively. Our work focuses on the synthesis of original and novel 1,2,3,4-tetrazine derivatives while contributing to the ongoing effort to discover more potent new antileukemia agents.
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Affiliation(s)
- Oznur Eyilcim
- Department of Chemistry, Faculty of Science and Arts, Yildiz Technical University, Istanbul, Turkey
| | - Fulya Gunay
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Bilgi University, Istanbul, Turkey
| | - Omer Tahir Gunkara
- Department of Chemistry, Faculty of Science and Arts, Yildiz Technical University, Istanbul, Turkey
| | - Yuk Yin Ng
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Bilgi University, Istanbul, Turkey
| | - Ozlem Ulucan
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Bilgi University, Istanbul, Turkey
| | - Ihsan Erden
- San Francisco State University, Department of Chemistry & Biochemistry, San Francisco, California, USA
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3
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Bera T, Singh B, Gandon V, Saha J. Experimental and Theoretical Investigation of an Azaoxyallyl Cation‐Templated Intramolecular Aryl Amination Leading to Oxindole Derivatives. Chemistry 2022; 28:e202201208. [DOI: 10.1002/chem.202201208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Tishyasoumya Bera
- Department of Biological and Synthetic Chemistry Centre of Biomedical Research (CBMR) SGPGIMS Campus. Raebareli Road Lucknow 226014 Uttar Pradesh India
| | - Bandana Singh
- Department of Biological and Synthetic Chemistry Centre of Biomedical Research (CBMR) SGPGIMS Campus. Raebareli Road Lucknow 226014 Uttar Pradesh India
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182, Université Paris-Saclay Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM) CNRS UMR 9168, Ecole Polytechnique Institut Polytechnique de Paris Route de Saclay 91128 Palaiseau cedex France
| | - Jaideep Saha
- Department of Biological and Synthetic Chemistry Centre of Biomedical Research (CBMR) SGPGIMS Campus. Raebareli Road Lucknow 226014 Uttar Pradesh India
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4
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Motiwala HF, Armaly AM, Cacioppo JG, Coombs TC, Koehn KRK, Norwood VM, Aubé J. HFIP in Organic Synthesis. Chem Rev 2022; 122:12544-12747. [PMID: 35848353 DOI: 10.1021/acs.chemrev.1c00749] [Citation(s) in RCA: 124] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
1,1,1,3,3,3-Hexafluoroisopropanol (HFIP) is a polar, strongly hydrogen bond-donating solvent that has found numerous uses in organic synthesis due to its ability to stabilize ionic species, transfer protons, and engage in a range of other intermolecular interactions. The use of this solvent has exponentially increased in the past decade and has become a solvent of choice in some areas, such as C-H functionalization chemistry. In this review, following a brief history of HFIP in organic synthesis and an overview of its physical properties, literature examples of organic reactions using HFIP as a solvent or an additive are presented, emphasizing the effect of solvent of each reaction.
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Affiliation(s)
- Hashim F Motiwala
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Ahlam M Armaly
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Jackson G Cacioppo
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Thomas C Coombs
- Department of Chemistry, University of North Carolina Wilmington, Wilmington, North Carolina 28403 United States
| | - Kimberly R K Koehn
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Verrill M Norwood
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Jeffrey Aubé
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
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5
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Bera T, Singh B, Jana M, Saha J. Access to 3,3'-disubstituted peroxyoxindole derivatives and α-peroxyamides via azaoxyallyl cation-guided addition of hydroperoxides. Chem Commun (Camb) 2022; 58:7538-7541. [PMID: 35703384 DOI: 10.1039/d2cc02378d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, a transition metal-free approach for access to 3,3'-disubstituted peroxyoxindole is disclosed, which harnesses a transient azaoxyallyl cation. This strategy is also applicable to the synthesis of structurally diverse α-peroxycarboxylic acid surrogates. The method exhibits good functional group tolerance and is suitable for generating a library of peroxy-containing compounds.
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Affiliation(s)
- Tishyasoumya Bera
- Department of Biological and Synthetic Chemistry, Centre of Biomedical Research (CBMR), SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India. .,Department of Chemistry, University of Kalyani, Kalyani-741235, India
| | - Bandana Singh
- Department of Biological and Synthetic Chemistry, Centre of Biomedical Research (CBMR), SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India.
| | - Manoranjan Jana
- Department of Chemistry, University of Kalyani, Kalyani-741235, India
| | - Jaideep Saha
- Department of Biological and Synthetic Chemistry, Centre of Biomedical Research (CBMR), SGPGIMS Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India.
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6
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Wan H, Xia S, Liu X, Jian Y, An Y, Wang Y. Synthesis of spirocyclic oxazole derivatives from 2-arylidene cycloalkanones and α-halohydroxamates. Org Biomol Chem 2022; 20:4293-4297. [PMID: 35575057 DOI: 10.1039/d2ob00701k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Herein we disclose a facile route to spirocyclic oxazole derivatives via [3 + 2] cycloaddition reactions between 2-arylidene cycloalkanones and azaoxyallyl cations that formed in situ from α-halohydroxamates in the presence of base. This methodology was shown to lead to an efficient formation of a series of functionalized spirocyclic oxazole derivatives in good to excellent yields.
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Affiliation(s)
- Huiyang Wan
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Shuangshuang Xia
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Xinghua Liu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Yongchan Jian
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Yuanyuan An
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P.R. China.
| | - Yubin Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P.R. China.
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7
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Xie L, Hu L, Wu P, Zhao Y, Li G, Cui J, Gao Z, Wu L, Nie S. [8 + 3]‐cycloaddition reactions of heptafulvenes or azaheptafulvenes with a‐halohydroxamates. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lei Xie
- Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 252000 Liao cheng CHINA
| | - Lina Hu
- Liao Cheng University: Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
| | - Ping Wu
- Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
| | - Yunxu Zhao
- Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
| | - Guiling Li
- Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
| | - Jichun Cui
- Liaocheng University College of Chemistry and Chemical Engineering No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
| | - Zhenzhen Gao
- Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
| | - Ligang Wu
- Liaocheng University College of Chemistry and Chemical engineering No. 1, Hunan Road 252000 Liaocheng CHINA
| | - Shaozhen Nie
- Liaocheng University School of Pharmaceutical Sciences No. 1 Hunan Road, Liaocheng City, Shandong Province, China 25200 Liao Cheng CHINA
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8
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Lan W, Lei R, Luo J, Qin Z, Fu B, Xie L. A Facile Approach to Benzosultam‐fused 4‐Imidazolidinone Derivatives from N‐Sulfonyl Ketimine and α‐Halogenated Hydroxamates. ChemistrySelect 2022. [DOI: 10.1002/slct.202103670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Wenjie Lan
- College of Science China Agricultural University Beijing 100193 P. R. China
| | - Rong‐chao Lei
- College of Science China Agricultural University Beijing 100193 P. R. China
| | - Jiayu Luo
- College of Science China Agricultural University Beijing 100193 P. R. China
| | - Zhaohai Qin
- College of Science China Agricultural University Beijing 100193 P. R. China
| | - Bin Fu
- College of Science China Agricultural University Beijing 100193 P. R. China
| | - Lei Xie
- School of Pharmacy Liaocheng University Shandong 252000 P. R. China
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9
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Biswas S, Duari S, Maity S, Roy A, Elsharif AM, Biswas S. (3 + 2) cycloaddition of 2-alkoxynaphthalenes with azaoxyallyl cations: access to benzo[ e]indolones. Org Biomol Chem 2022; 20:8400-8404. [DOI: 10.1039/d2ob01441f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A route to functionalized benzo[e]indolones has been reported via (3 + 2) cycloaddition of in situ generated azaoxyallyl cations with alkoxynaphthalene followed by aryl C–O bond cleavage. The intermediate adduct has been isolated and characterized.
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Affiliation(s)
- Subrata Biswas
- Dept. of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata–700 009, West Bengal, India
| | - Surajit Duari
- Dept. of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata–700 009, West Bengal, India
| | - Srabani Maity
- Dept. of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata–700 009, West Bengal, India
| | - Arnab Roy
- Dept. of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata–700 009, West Bengal, India
| | - Asma M. Elsharif
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Srijit Biswas
- Dept. of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata–700 009, West Bengal, India
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10
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Huang L, Yao Z, Huang G, Ao Y, Zhu B, Li S, Cui X. One‐Pot Synthesis of Fused Indolin‐3‐Ones via a [3+3] Cycloaddition Reaction. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100842] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lang Huang
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
| | - Zhenyu Yao
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
| | - Guanghua Huang
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
| | - Yaqi Ao
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
| | - Bin Zhu
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
| | - Sanshu Li
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
| | - Xiuling Cui
- Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences Huaqiao University Xiamen 361021 People's Republic of China
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11
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Sun X, Guo XQ, Chen LM, Kang TR. Synthesis, Characterization of Spirocyclic λ 3 -Iodanes and Their Application to Prepare 4,1-Benzoxazepine-2,5-diones and 1,3-Diynes. Chemistry 2021; 27:4312-4316. [PMID: 33326645 DOI: 10.1002/chem.202005124] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/15/2020] [Indexed: 11/10/2022]
Abstract
Herein, a [3+2] cycloaddition of aza-oxyallylic cations with ethynylbenziodoxolones for synthesis of new λ3 -iodanes containing spirocyclic 4-oxazolidinone has been developed. This cyclic λ3 -iodanes display stability in air and excellent solubility in organic solvent. Using them as substrate, both the 4,1-benzoxazepine-2,5-diones and symmetrical 1,3-diynes derivatives were afforded in high yield under copper(I)-catalyzed conditions.
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Affiliation(s)
- Xu Sun
- School of Food and Biological Engineering, Chengdu University, Chengdu City, 610106, P. R. China.,Collaborative Innovation Center of Tissue Repair Material of, Sichuan Province, College of Chemistry & Chemical Engineering, China West Normal University, Nanchong City, Sichuan, 637002, P. R. China
| | - Xiao-Qiang Guo
- School of Food and Biological Engineering, Chengdu University, Chengdu City, 610106, P. R. China
| | - Lian-Mei Chen
- School of Food and Biological Engineering, Chengdu University, Chengdu City, 610106, P. R. China
| | - Tai-Ran Kang
- School of Food and Biological Engineering, Chengdu University, Chengdu City, 610106, P. R. China.,Collaborative Innovation Center of Tissue Repair Material of, Sichuan Province, College of Chemistry & Chemical Engineering, China West Normal University, Nanchong City, Sichuan, 637002, P. R. China
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12
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Leng HJ, Li QZ, Xiang P, Qi T, Dai QS, Jia ZQ, Gou C, Zhang X, Li JL. Diastereoselective [3 + 1] Cyclization Reaction of Oxindolyl Azaoxyallyl Cations with Sulfur Ylides: Assembly of 3,3'-Spiro[β-lactam]-oxindoles. Org Lett 2021; 23:1451-1456. [PMID: 33522815 DOI: 10.1021/acs.orglett.1c00130] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Oxindoles and β-lactams are attractive structural motifs because of their unique biological importance. However, the fusion of the two moieties featuring 3,3'-spirocyclic scaffolds is a challenging task in organic synthesis. Herein we designed a novel type of oxindole-based azaoxyallyl cation synthons, which could readily participate in the [3 + 1] cyclization with sulfur ylides. With this protocol, a collection of 3,3-spiro[β-lactam]-oxindoles were facilely produced in up to 94% yield with perfect diastereoselectivity.
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Affiliation(s)
- Hai-Jun Leng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China.,State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Peng Xiang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Ting Qi
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Qing-Song Dai
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Zhi-Qiang Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Chuan Gou
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Xiang Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China
| | - Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, China.,State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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13
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Fang QY, Jin HS, Wang RB, Zhao LM. A Role for Isatin Azomethine Imines as a Dipolarophile in Cycloaddition Reactions. Org Lett 2020; 22:7358-7362. [PMID: 32875804 DOI: 10.1021/acs.orglett.0c02705] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An unusual [2 + 3] cycloaddition of isatin azomethine imines (AIs) and in situ generated azaoxyallyl cations has been developed. It is the first example where AIs serve as the [C,O] 2-atom synthon in organic synthesis. This work not only reveals a new role of isatin AIs in cycloaddition reaction but also provides an efficient access to unprecedented spiroheterocycle compounds.
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Affiliation(s)
- Qing-Yun Fang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Hai-Shan Jin
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Ru-Bing Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Li-Ming Zhao
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China.,State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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14
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Sato K, Yamada Y, Hanamoto T. Access of cis-4-monofluoromethyl-1,3-oxazolidines via a formal [3+2] cycloaddition triggered by BF3•OEt2. J Fluor Chem 2020. [DOI: 10.1016/j.jfluchem.2020.109599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Hu S, Zhang J, Jin Q. A formal aza-Michael addition and [4+3] annulation reactions of dichloro-substituted haloamides with N-(2-chloromethyl)aryl) amides. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Xie L, Guo SN, Wu P, Gao Z, Liu F, Yuan C. [3 + 3] Cycloaddition of aza-oxyallyl cations with 1,4-dithiane-2,5-diols for the construction of 3-thiomorpholinones. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1740738] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Lei Xie
- School of Pharmacy, Liaocheng University, Liaocheng, Shandong, P. R. China
| | - Sheng-nan Guo
- School of Pharmacy, Liaocheng University, Liaocheng, Shandong, P. R. China
| | - Ping Wu
- School of Pharmacy, Liaocheng University, Liaocheng, Shandong, P. R. China
| | - Zhenzhen Gao
- School of Pharmacy, Liaocheng University, Liaocheng, Shandong, P. R. China
| | - Fang Liu
- School of Pharmacy, Liaocheng University, Liaocheng, Shandong, P. R. China
| | - Chunhao Yuan
- College of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai’an, Shandong, P. R. China
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17
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Shen YB, Wang LX, Sun YM, Dong FY, Yu L, Liu Q, Xiao J. Hexafluoroisopropanol-Mediated Redox-Neutral α-C(sp 3)-H Functionalization of Cyclic Amines via Hydride Transfer. J Org Chem 2020; 85:1915-1926. [PMID: 31823616 DOI: 10.1021/acs.joc.9b02606] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Hexafluoroisopropanol has been demonstrated as the versatile promoter for redox-neutral α-C(sp3)-H functionalization of cyclic amines via the cascade [1,5]-hydride transfer/cyclization strategy. A wide range of cyclic amines are functionalized into bioactive tetrahydroquinolines, quinazolines, benzoxazines, and benzotriazepines in moderate to excellent yields. This protocol features additive-free conditions, operational simplicity, and wide substrate scope.
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Affiliation(s)
| | | | | | | | | | - Qing Liu
- College of Chemical and Environmental Engineering , Shandong University of Science and Technology , Qingdao 266590 , China
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18
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Yuan C, Zhang H, Yuan M, Xie L, Cao X. Synthesis of 1,4-diazepinone derivatives via a domino aza-Michael/S N2 cyclization of 1-azadienes with α-halogenoacetamides. Org Biomol Chem 2020; 18:1082-1086. [PMID: 31971222 DOI: 10.1039/c9ob02626f] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel cyclization of α-halogenoacetamides with 1-azadienes has been developed for the efficient preparation of monocyclic 1,4-diazepinones in one step under transition metal-free conditions. Various α-halogenoacetamides and 1-azadienes are well tolerated and give the desired products in good to excellent yields. This cyclization also demonstrates potential synthetic utility on a gram-scale and further transformation.
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Affiliation(s)
- Chunhao Yuan
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China.
| | - Hui Zhang
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China.
| | - Mengna Yuan
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China.
| | - Lei Xie
- School of Pharmacy, Liaocheng University, Liaocheng 252000, Shandong, P. R. China
| | - Xiaoqun Cao
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, P. R. China.
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19
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Fantinati A, Zanirato V, Marchetti P, Trapella C. The Fascinating Chemistry of α-Haloamides. ChemistryOpen 2020; 9:100-170. [PMID: 32025460 PMCID: PMC6996577 DOI: 10.1002/open.201900220] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 11/19/2019] [Indexed: 12/17/2022] Open
Abstract
The aim of this review is to highlight the rich chemistry of α-haloamides originally mainly used to discover new C-N, C-O and C-S bond forming reactions, and later widely employed in C-C cross-coupling reactions with C(sp3), C(sp2) and C(sp) coupling partners. Radical-mediated transformations of α-haloamides bearing a suitable located unsaturated bond has proven to be a straightforward alternative to access diverse cyclic compounds by means of either radical initiators, transition metal redox catalysis or visible light photoredox catalysis. On the other hand, cycloadditions with α-halohydroxamate-based azaoxyallyl cations have garnered significant attention. Moreover, in view of the important role in life and materials science of difluoroalkylated compounds, a wide range of catalysts has been developed for the efficient incorporation of difluoroacetamido moieties into activated as well as unactivated substrates.
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Affiliation(s)
- Anna Fantinati
- Department of Chemical and Pharmaceutical SciencesUniversity of Ferrara, Via Fossato di Mortara 1744121FerraraItaly E-mail: V. Zanirato
| | - Vinicio Zanirato
- Department of Chemical and Pharmaceutical SciencesUniversity of Ferrara, Via Fossato di Mortara 1744121FerraraItaly E-mail: V. Zanirato
| | - Paolo Marchetti
- Department of Chemical and Pharmaceutical SciencesUniversity of Ferrara, Via Fossato di Mortara 1744121FerraraItaly E-mail: V. Zanirato
| | - Claudio Trapella
- Department of Chemical and Pharmaceutical SciencesUniversity of Ferrara, Via Fossato di Mortara 1744121FerraraItaly E-mail: V. Zanirato
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20
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Ring opening [3 + 2] cyclization of azaoxyallyl cations with benzo[d]isoxazoles: Efficient access to 2-hydroxyaryl-oxazolines. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.09.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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21
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Jin Q, Zhang D, Zhang J. Facile synthesis of 1,2,4,5-tetrahydro-1,4-benzodiazepin-3-ones via cyclization of N-alkoxy α-halogenoacetamides with N-(2-chloromethyl)aryl amides. Org Biomol Chem 2019; 17:9708-9711. [PMID: 31701983 DOI: 10.1039/c9ob02260k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and efficient cyclization of N-alkoxy α-halogenoacetamides with N-(2-chloromethyl)aryl amides has been achieved for rapid access to 1,2,4,5-tetrahydro-1,4-benzodiazepine-3-one derivatives (up to 95% yield). The intriguing features of this intermolecular cyclization include its mild reaction conditions and easy handling for scalable synthesis.
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Affiliation(s)
- Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China. and Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China. and Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China. and Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
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22
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Bera T, Singh B, Hamlin TA, Sahoo SC, Saha J. One-Step Assembly of Functionalized Morpholinones and 1,4-Oxazepane-3-ones via [3 + 3]- and [3 + 4]-Annulation of Aza-Oxyallyl Cation and Amphoteric Compounds. J Org Chem 2019; 84:15255-15266. [PMID: 31702149 DOI: 10.1021/acs.joc.9b02269] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new [3 + 3]- and [3 + 4]-annulation strategy involving azaoxyallyl cation and [1,m]-amphoteric compounds (m = 3,4) is presented. This concise method enables easy assembly of functionalized saturated N-heterocycles, comprised of six-and seven-membered rings and is of high significance in the context of drug discovery approaches. This reaction also represents a new trapping modality of the azaoxyallyl cation with amphoteric agents of different chain lengths that consist of a heteroatom nucleophilic site and a π-electrophilic site.
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Affiliation(s)
- Tishyasoumya Bera
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus. Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
| | - Bandana Singh
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus. Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
| | - Trevor A Hamlin
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM) , Vrije Universiteit Amsterdam , De Boelelaan 1083 , Amsterdam 1081 HV , The Netherlands
| | - Subash C Sahoo
- Department of Chemistry , Panjab University , Sector 14 , Chandigarh 160014 , India
| | - Jaideep Saha
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus. Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
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23
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Kim E, Mun D, Kim S. Synthesis of Dihydrobenzoxazine‐Fused Spirooxazoline‐4‐ones via [3+2] Cycloaddition of Azaoxyallyl Cations with Vinyl Benzoxazinanones. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900517] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Eunjin Kim
- Department of ChemistryKyonggi University 154-42 Gwanggyosan-ro, Yeongtong-gu Suwon 16227 Republic of Korea
| | - Dasom Mun
- Department of ChemistryKyonggi University 154-42 Gwanggyosan-ro, Yeongtong-gu Suwon 16227 Republic of Korea
| | - Sung‐Gon Kim
- Department of ChemistryKyonggi University 154-42 Gwanggyosan-ro, Yeongtong-gu Suwon 16227 Republic of Korea
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24
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Jaiswal V, Mondal B, Singh K, Das D, Saha J. [3 + 2]-Annulation of Azaoxyallyl Cations and Thiocarbonyls for the Assembly of Thiazolidin-4-ones. Org Lett 2019; 21:5848-5852. [PMID: 31294998 DOI: 10.1021/acs.orglett.9b01933] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A base-promoted, efficient [3 + 2] annulation between azaoxyallyl cations and thiocarbonyls is reported for flexible access to highly functionalized thiazolidin-4-one derivatives in good to excellent yields. An intriguing feature of this method is the metal or Lewis acid free late-stage entry of distinct set of functional groups at C2 of thiazolidin-4-ones via substitution of a latent amino functional group. Overall, this approach constitutes a general platform for convenient access to this medicinally important scaffold.
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Affiliation(s)
- Vandana Jaiswal
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus, Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
| | - Biplab Mondal
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus, Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
| | - Kuldeep Singh
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus, Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
| | - Dinabandhu Das
- School of Physical Sciences , Jawaharlal Nehru University , New Delhi 110067 , India
| | - Jaideep Saha
- Division of Molecular Synthesis & Drug Discovery , Centre of Biomedical Research (CBMR) , SGPGIMS Campus, Raebareli Road , Lucknow 226014 , Uttar Pradesh , India
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25
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Zhou S, Cheng X, Xuan J. [3+2]‐Cycloaddition of Azaoxyallyl Cations with Cyclopropenones and Cyclopropenethiones: Synthesis of Spirocyclic Oxazole and Thiazole Derivatives. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900272] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Shuang‐Jing Zhou
- Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials College of Chemistry & Chemical EngineeringAnhui University Hefei, Anhui 230601 China
| | - Xiao Cheng
- Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials College of Chemistry & Chemical EngineeringAnhui University Hefei, Anhui 230601 China
| | - Jun Xuan
- Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials College of Chemistry & Chemical EngineeringAnhui University Hefei, Anhui 230601 China
- Institute of Physical Science and Information TechnologyAnhui University Hefei, Anhui 230601 China
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26
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Cheng X, Cao X, Zhou S, Cai B, He X, Xuan J. Transition‐Metal Free Construction of Isoquinoline‐fused Triazines Containing Alkenyl C−X Bonds. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801181] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Xiao Cheng
- Department of Chemistry and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsAnhui University, Hefei Anhui 230601 People's Republic of China
| | - Xia Cao
- Department of Chemistry and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsAnhui University, Hefei Anhui 230601 People's Republic of China
| | - Shuang‐Jing Zhou
- Department of Chemistry and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsAnhui University, Hefei Anhui 230601 People's Republic of China
| | - Bao‐Gui Cai
- Department of Chemistry and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsAnhui University, Hefei Anhui 230601 People's Republic of China
| | - Xiang‐Kui He
- Department of Chemistry and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsAnhui University, Hefei Anhui 230601 People's Republic of China
| | - Jun Xuan
- Department of Chemistry and Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsAnhui University, Hefei Anhui 230601 People's Republic of China
- Institute of Physical Science and Information TechnologyAnhui University, Hefei Anhui 230601 People's Republic of China
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27
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El Bouakher A, Martel A, Comesse S. α-Halogenoacetamides: versatile and efficient tools for the synthesis of complex aza-heterocycles. Org Biomol Chem 2019; 17:8467-8485. [DOI: 10.1039/c9ob01683j] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review presents the use of α-alkyl- and α-alkoxy-halogenoacetamides as powerful partners for domino and 1,3-dipolar cycloaddition reactions resulting in a ring closure.
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Affiliation(s)
| | - Arnaud Martel
- IMMM
- UMR 6283 CNRS
- Le Mans Université
- 72085 Le Mans
- France
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28
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Eyilcim O, Issever S, Ocal N, Gronert S, Erden I. Imidazolidin-4-ones via (3+2) cycloadditions of aza-oxyallyl cations onto ( E)- Narylideneanilines. Tetrahedron Lett 2018; 59:3674-3677. [PMID: 30449908 DOI: 10.1016/j.tetlet.2018.08.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
In the course of our studies on the chemistry of oxyallyl species we uncovered a new (3+2) cycloaddition of aza-oxyallyl systems, generated in situ from N-benzyloxy-2-chloroamides in the presence of NEt3, onto N-arylimines yielding imidazolidin-4-ones in moderate to good yields. The cycloadditions are regioselective. Computational modelling using DFT at the M062×/6-311+G** level is in support the observed regioselectivities. Although the path to the trans imidazolin-4-one is favored, the cis product is preferred by almost 8 kcal/mol and could be formed by base-catalyzed epimerization. All products were isolated by chromatography and characterized by means of their FTIR, NMR and HRMS data.
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Affiliation(s)
- Oznur Eyilcim
- Department of Chemistry, Faculty of Arts and Sciences, Yildiz Technical University, Davutpasa Campus, 34220 Esenler-Istanbul, Turkey
| | - Sezin Issever
- Department of Chemistry, Faculty of Arts and Sciences, Yildiz Technical University, Davutpasa Campus, 34220 Esenler-Istanbul, Turkey
| | - Nuket Ocal
- Department of Chemistry, Faculty of Arts and Sciences, Yildiz Technical University, Davutpasa Campus, 34220 Esenler-Istanbul, Turkey
| | - Scott Gronert
- Department of Chemistry Virginia Commonwealth University, 1001 West Main Street, Richmond, Virginia 23284, USA
| | - Ihsan Erden
- Department of Chemistry and Biochemistry, San Francisco State University, 1600 Holloway Avenue, San Francisco, Ca 94132, USA
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29
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Ji D, Sun J. [3 + 2]-Cycloaddition of Azaoxyallyl Cations with Hexahydro-1,3,5-triazines: Access to 4-Imidazolidinones. Org Lett 2018; 20:2745-2748. [DOI: 10.1021/acs.orglett.8b00951] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Danqing Ji
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
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30
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Xu X, Zhang K, Li P, Yao H, Lin A. [3 + 3] Cycloaddition of Azides with in Situ Formed Azaoxyallyl Cations To Synthesize 1,2,3,4-Tetrazines. Org Lett 2018; 20:1781-1784. [PMID: 29558144 DOI: 10.1021/acs.orglett.8b00280] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A formal [3 + 3] cycloaddition reaction between azides and in situ formed azaoxyallyl cations has been realized. This reaction provided an efficient and practical pathway to synthesize 1,2,3,4-tetrazines in good yields under mild conditions. Biologically active molecules could also be well compatible, highlighting the potential value of this reaction.
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Affiliation(s)
- Xiaoying Xu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , P. R. China
| | - Kaifan Zhang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , P. R. China
| | - Panpan Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , P. R. China
| | - Hequan Yao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , P. R. China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , P. R. China
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31
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DiPoto MC, Wu J. Synthesis of 2-Aminoimidazolones and Imidazolones by (3 + 2) Annulation of Azaoxyallyl Cations. Org Lett 2018; 20:499-501. [PMID: 29320191 DOI: 10.1021/acs.orglett.7b03719] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The first examples of (3 + 2) annulations between azaoxyallyl cations and cyanamides and nitriles to give the corresponding 2-aminoimidazolones and imidazolones are reported. On the basis of the isolation of unexpected imidate products with certain substrates, it is proposed that the reaction proceeds via fast kinetic O-alkylation followed by rearrangement to the thermodynamically favored 2-aminoimidazolones and imidazolones. The method was applied to the formal synthesis of the antihypertensive drug irbesartan.
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Affiliation(s)
- Maria C DiPoto
- Department of Chemistry, Dartmouth College , Hanover, New Hampshire 03755, United States
| | - Jimmy Wu
- Department of Chemistry, Dartmouth College , Hanover, New Hampshire 03755, United States
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32
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Xuan J, Cao X, Cheng X. Advances in heterocycle synthesis via [3+m]-cycloaddition reactions involving an azaoxyallyl cation as the key intermediate. Chem Commun (Camb) 2018; 54:5154-5163. [DOI: 10.1039/c8cc00787j] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This feature article highlights recent advances in heterocycle synthesis via [3+m]-cycloaddition reactions involving an azaoxyallyl cation as the key intermediate.
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Affiliation(s)
- Jun Xuan
- Department of Chemistry
- Anhui University
- Hefei
- China
| | - Xia Cao
- Department of Chemistry
- Anhui University
- Hefei
- China
| | - Xiao Cheng
- Department of Chemistry
- Anhui University
- Hefei
- China
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33
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Zhang Y, Ma H, Liu X, Cui X, Wang S, Zhan Z, Pu J, Huang G. The synthesis of multi-substituted pyrrolidinones via a direct [3 + 2] cycloaddition of azaoxyallyl cations with aromatic ethylenes. Org Biomol Chem 2018; 16:4439-4442. [DOI: 10.1039/c8ob00899j] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A novel [3 + 2] cycloaddition reaction of azaoxyallyl cations and aromatic ethylenes has been developed to afford multi-substituted pyrrolidinones in moderate to good yields.
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Affiliation(s)
- Yixin Zhang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Haojie Ma
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Xingxing Liu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Xinfeng Cui
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Shaohua Wang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Zhenzhen Zhan
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Jinghong Pu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
| | - Guosheng Huang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou 730000
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34
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Jin Q, Gao M, Zhang D, Jiang C, Yao N, Zhang J. Base-mediated [2 + 4] cycloadditions of in situ formed azaoxyallyl cations with N-(2-chloromethyl)aryl amides. Org Biomol Chem 2018; 16:7336-7339. [PMID: 30270381 DOI: 10.1039/c8ob02176g] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A base-mediated [2 + 4] annulation of in situ formed azaoxyallyl cations with in situ generated aza-oQMs has been realized.
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Affiliation(s)
- Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210028
- China
- Laboratories of Translational Medicine
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210028
- China
- Laboratories of Translational Medicine
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210028
- China
- Laboratories of Translational Medicine
| | - Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210028
- China
- Laboratories of Translational Medicine
| | - Nan Yao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210028
- China
- Laboratories of Translational Medicine
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210028
- China
- Laboratories of Translational Medicine
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35
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Cheng X, Cao X, Xuan J, Xiao WJ. Silver(I)- and Base-Mediated [3 + 3]-Cycloaddition of C,N-Cyclic Azomethine Imines with Aza-oxyallyl Cations. Org Lett 2017; 20:52-55. [PMID: 29215289 DOI: 10.1021/acs.orglett.7b03344] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A silver(I) and base-mediated [3 + 3]-cycloaddition reaction of in situ generated C,N-cyclic azomethine imines with in situ formed aza-oxyallyl cations is reported. This one-pot cycloaddition process shows broad substrate scope an excellent functional group tolerance and provides the corresponding biologically important isoquinoline-fused triazines in good to excellent yields.
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Affiliation(s)
- Xiao Cheng
- Department of Chemistry, Anhui University , Hefei, Anhui 230601, People's Republic of China
| | - Xia Cao
- Department of Chemistry, Anhui University , Hefei, Anhui 230601, People's Republic of China
| | - Jun Xuan
- Department of Chemistry, Anhui University , Hefei, Anhui 230601, People's Republic of China
| | - Wen-Jing Xiao
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, People's Republic of China
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Shao PL, Li ZR, Wang ZP, Zhou MH, Wu Q, Hu P, He Y. [3 + 2] Cycloaddition of Azaoxyallyl Cations with Cyclic Ketones: Access to Spiro-4-oxazolidinones. J Org Chem 2017; 82:10680-10686. [DOI: 10.1021/acs.joc.7b01728] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pan-Lin Shao
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Zi-Rui Li
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Zhi-Peng Wang
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Ming-Hui Zhou
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Qi Wu
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Ping Hu
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Yun He
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
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