1
|
He X, Sun S, Kong W, Li M, Li S. Eudistomins Y-Inspired Design and Divergent Optimization of Heteroaryl Ketones for New Antifungal Leads. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11928-11937. [PMID: 38753466 DOI: 10.1021/acs.jafc.3c09874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
The discovery of structurally distinct leads is imperative in modern agrochemical science. Inspired by eudistomins Y and the framework-related pharmaceuticals, aryl heteroaryl ketone was drawn as a common model intriguing the design and divergent synthesis of 14 kinds of heteroaryl ketones aligned with their oxime derivatives. Antifungal function-oriented phenotypical screen protruded benzothiazolyl-phenyl oxime 5a as a promising model, and the concomitant modification led to benzothiazolyl oxime 5am (EC50 = 5.17 μM) as a superior lead than fluoxastrobin (EC50 = 7.54 μM) against Sclerotinia sclerotiorum. Scaffold hopping of the phenyl subunit identified benzothiazolyl-pyridyl oxime as a novel antifungal scaffold accompanied by acquiring oxime 5bm with remarkable activity (EC50 = 3.57 μM) against Pyricularia oryzae. Molecular docking showed that candidate 5am could form more hydrogen bonds with the amino acid residues of actin than metrafenone. This compound also demonstrated better curative efficacy than that of fluoxastrobin and metrafenone in controlling the plant disease caused by S. sclerotiorum. These results rationalize the discovery of antifungal candidates based on aryl heteroaryl ketone.
Collapse
Affiliation(s)
- Xiaodan He
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Shengxin Sun
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Wenlong Kong
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Mengyang Li
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Shengkun Li
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| |
Collapse
|
2
|
Wang S, Liu M, Yue Y, Hu X, Zhang Y, Shen G, Dong R, Shi L, Yu B, Huang X. Sustainable preparation of 2-acylbenzothiazoles under the cooperation of ionic liquids and microwave irradiation. Org Biomol Chem 2024; 22:3732-3739. [PMID: 38651493 DOI: 10.1039/d4ob00315b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Microwave irradiation (MW) and ionic liquids (ILs) are two of the most promising relatively greener synthetic approaches to preparing value-added chemicals. Herein, a series of 2-acylbenzothiazole derivatives were synthesized for the first time from commercially available α-bromoacetophenones and disulfane-diyl-dianilines through the cooperation of ionic liquids and microwave irradiation under metal- and extra-additives-free conditions. A plausible mechanism involving the successive IL-induced enolation has been proposed.
Collapse
Affiliation(s)
- Shoushun Wang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, P. R. China.
| | - Mengjie Liu
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, P. R. China.
| | - Yiyuan Yue
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, P. R. China.
| | - Xiude Hu
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Yalin Zhang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, P. R. China.
| | - Guodong Shen
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, P. R. China.
| | - Ruiguo Dong
- National Rubber Additive Engineering Technology Center, Liaocheng, Shandong 252059, China
| | - Lilong Shi
- National Rubber Additive Engineering Technology Center, Liaocheng, Shandong 252059, China
| | - Bing Yu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Xianqiang Huang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, P. R. China.
| |
Collapse
|
3
|
Xie J, Liu P, Li X, He J. I2/CH3ONa-Promoted Ring-Opening Alkylation of Benzothiazoles with Dialkyl Carbonates. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/s-0042-1752356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
AbstractDialkyl carbonates were used as the green alkylating reagents in the I2-promoted ring-opening alkylation of benzothiazoles. A variety of benzo[d]thiazole derivatives underwent the alkylation smoothly to provide the diverse N-alkyl-N-(o-alkylthio)phenylformamides in moderate to excellent yields. The synthetic utility of this protocol was verified by gram-scale reaction and further derivatization of the products. The mechanism of the involvement of two molecules of dialkyl carbonates in the formation of sulfur-alkyl and nitrogen-alkyl groups, respectively, was also demonstrated.
Collapse
Affiliation(s)
- Jianwei Xie
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering
| | - Ping Liu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| | - Xuezhen Li
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| | - Jing He
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University
| |
Collapse
|
4
|
Chen T, Tao Y, Wu Z, Xu X, Cheng D. Synthesis of Thiosulfonates by I
2
/TBHP‐mediated the Ring‐opening/coupling Reaction of Benzothiazole. ChemistrySelect 2022. [DOI: 10.1002/slct.202202876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tianpeng Chen
- College of Pharmaceutical Science Zhejiang University of Technology Chaowang Road 18 Hangzhou 310014 P. R. China
| | - Yuhui Tao
- College of Pharmaceutical Science Zhejiang University of Technology Chaowang Road 18 Hangzhou 310014 P. R. China
| | - Ziliang Wu
- College of Pharmaceutical Science Zhejiang University of Technology Chaowang Road 18 Hangzhou 310014 P. R. China
| | - Xiaoliang Xu
- College of Chemical Engineering Zhejiang University of Technology Chaowang Road 18 Hangzhou 310014 P. R. China
| | - Dongping Cheng
- College of Pharmaceutical Science Zhejiang University of Technology Chaowang Road 18 Hangzhou 310014 P. R. China
| |
Collapse
|
5
|
Gao C, Blum SA. Silyl Radical Cascade Cyclization of 2-Isocyanothioanisole toward 2-Silylbenzothiazoles through Radical Initiator-Inhibitor Symbiosis. J Org Chem 2022; 87:13124-13137. [PMID: 36098507 DOI: 10.1021/acs.joc.2c01605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A demethylative silyl radical cascade cyclization of 2-isocyanothioanisoles toward 2-silylated benzothiazole building blocks has been developed. The development of a "radical initiator-inhibitor symbiosis" system solves the challenge of otherwise dominant methyl radical-triggered side reactions brought about by kinetically unfavored generation of reactive silyl radical species. The products accessed in this protocol are amendable to various downstream functionalization reactions, including the quick construction of a topoisomerase II inhibitor via a Hiyama cross-coupling reaction and of an antiviral agent via a fluoride-/hydroxide-free nucleophilic substitution to acyl chloride.
Collapse
Affiliation(s)
- Chao Gao
- Department of Chemistry, University of California, Irvine, Irvine, California 92697-2025, United States
| | - Suzanne A Blum
- Department of Chemistry, University of California, Irvine, Irvine, California 92697-2025, United States
| |
Collapse
|
6
|
Cao X, Qiu D, Zhang R, Li Z, Xu X. Synthesis, nematicidal evaluation, and SAR study of benzofuran derivatives containing 2-carbonyl thiophene. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
7
|
Zheng S, Smit W, Spannenberg A, Tin S, de Vries JG. Synthesis of α-Keto Aldehydes via Selective Cu(I)-catalyzed Oxidation of α-Hydroxy Ketones. Chem Commun (Camb) 2022; 58:4639-4642. [DOI: 10.1039/d2cc00773h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient approach to synthesize α-keto aldehydes was established through selective oxidation of α-hydroxy ketones catalyzed by Cu(I) using oxygen as oxidant. A wide array of α-keto aldehydes was prepared...
Collapse
|
8
|
Li X, Liu P, He J, Li W, Yang Z, Wei Y, Wei Y, Gu Y. TBAI-catalyzed ring-opening sulfonylations of benzothiazoles and arylsulfonyl hydrazides. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.08.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
|
9
|
Zhang S, Wang S, Leng Y, Wu Y. One-pot synthesis of 2-acylbenzothiazoles from 2-aminobenzenethiols and arylacetonitriles via cyclization and sequential oxidation. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
|
10
|
|
11
|
Jiang P, Liu L, Tan J, Du H. Visible-light-promoted photocatalyst-free alkylation and acylation of benzothiazoles. Org Biomol Chem 2021; 19:4487-4491. [PMID: 33960996 DOI: 10.1039/d1ob00734c] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Herein we report a protocol for the visible-light-mediated alkylation/acylation reaction of benzothiazoles. Alkyl/acyl substituted Hantzsch esters are easily prepared and rationally used as radical precursors. In the presence of BF3·Et2O and Na2S2O8, various benzothiazole derivatives were readily obtained in good yields. Our user-friendly protocol can proceed by simple irradiation with blue LEDs (λ = 465 nm) and without the assistance of external photocatalysts. The reaction is also characterized by mild conditions and scalability, thus offering an alternative and efficient tool for the synthesis of 2-functionalized benzothiazoles.
Collapse
Affiliation(s)
- Pengxing Jiang
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| | - Li Liu
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| | - Jiajing Tan
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| | - Hongguang Du
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| |
Collapse
|
12
|
Zhang J, Tang J, Chen Z, Wu X. Synthesis of 5‐Trifluoromethyl‐1,2,4‐Triazoles via Metal‐Free Annulation of Trifluoroacetimidohydrazides and Methyl Ketones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100130] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jiajun Zhang
- Department of Chemistry Zhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Jianhua Tang
- Department of Chemistry Zhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Zhengkai Chen
- Department of Chemistry Zhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Xiao‐Feng Wu
- Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 Liaoning People's Republic of China
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock Albert-Einstein-Straβe 29a 18059 Rostock Germany
| |
Collapse
|
13
|
Rajai-Daryasarei S, Gohari MH, Mohammadi N. Reactions involving aryl methyl ketone and molecular iodine: a powerful tool in the one-pot synthesis of heterocycles. NEW J CHEM 2021. [DOI: 10.1039/d1nj03572j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The preparation of heterocyclic compounds has attracted great attention in organic chemistry because of their extensive application in the field of bioactive molecules, materials science, and natural products.
Collapse
Affiliation(s)
| | | | - Narges Mohammadi
- School of Chemistry, College of Science, University of Tehran, 14155-6455 Tehran, Iran
| |
Collapse
|
14
|
Liu C, Chen D, Fu Y, Wang F, Luo J, Huang S. Sulfoxide Reduction/C(sp 3)-S Metathesis Cascade in Ionic Liquid. Org Lett 2020; 22:5701-5705. [PMID: 32614190 DOI: 10.1021/acs.orglett.0c02089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A sulfoxide reduction/C-S bond metathesis cascade between sulfoxides and alkyl bromides has been developed to access high-value sulfides without the use of any catalysts or bases. In this cascade, classical Kornblum oxidation is employed to reduce sulfoxides with alkyl bromides in ionic liquid. This protocol features high functional tolerance, mild conditions, promising scalability, and sustainable solvents.
Collapse
Affiliation(s)
- Chenjing Liu
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Dengfeng Chen
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Yuanyuan Fu
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Fei Wang
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Jinyue Luo
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Shenlin Huang
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| |
Collapse
|
15
|
Huynh TV, Doan KV, Luong NTK, Nguyen DTP, Doan SH, Nguyen TT, Phan NTS. New synthesis of 2-aroylbenzothiazoles via metal-free domino transformations of anilines, acetophenones, and elemental sulfur. RSC Adv 2020; 10:18423-18433. [PMID: 35517240 PMCID: PMC9053705 DOI: 10.1039/d0ra01750g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 05/04/2020] [Indexed: 11/27/2022] Open
Abstract
A new synthesis of 2-aroylbenzothiazoles via iodine-promoted domino transformations of anilines, acetophenones, and elemental sulfur was demonstrated. The highlights of this tandem synthesis are (1) easily available anilines and acetophenones as feedstock; (2) transition metal-free conditions; (3) inexpensive, nontoxic, easy handling, and abundant elemental sulfur as a building block. This synthetic strategy would complement the existing methods in the synthesis of this important heterocyclic scaffold. To our best knowledge, the formation of 2-aroylbenzothiazoles from simple anilines, acetophenones, and elemental sulfur was not previously reported in the literature. A new synthesis of 2-aroylbenzothiazoles via iodine-promoted domino transformations of anilines, acetophenones, and elemental sulfur was demonstrated.![]()
Collapse
Affiliation(s)
- Tien V Huynh
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam.,Faculty of Chemical Technology, Ho Chi Minh City University of Food Industry (HUFI) 140 Le Trong Tan, Tan Phu District Ho Chi Minh City Vietnam
| | - Khang V Doan
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Ngoc T K Luong
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam.,Faculty of Chemical Technology, Ho Chi Minh City University of Food Industry (HUFI) 140 Le Trong Tan, Tan Phu District Ho Chi Minh City Vietnam
| | - Duyen T P Nguyen
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam.,Faculty of Chemical Technology, Ho Chi Minh City University of Food Industry (HUFI) 140 Le Trong Tan, Tan Phu District Ho Chi Minh City Vietnam
| | - Son H Doan
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Tung T Nguyen
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Nam T S Phan
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 ext. 5681.,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| |
Collapse
|
16
|
Huang T, Wu X, Yu Y, An L, Yin X. A convenient synthesis of 2-acyl benzothiazoles/thiazoles from benzothiazole/thiazole and N,N'-carbonyldiimidazole activated carboxylic acids. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.05.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
17
|
Loukrakpam DC, Phukan P. TsNBr2Mediated Synthesis of 2‐Acylbenzothiazoles and Quinoxalines from Aryl Methyl Ketones under Metal Free Condition. ChemistrySelect 2019. [DOI: 10.1002/slct.201900713] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Prodeep Phukan
- Department of ChemistryGauhati University Guwahati 781014 Assam India
| |
Collapse
|
18
|
Monga A, Bagchi S, Sharma A. Iodine/DMSO oxidations: a contemporary paradigm in C–N bond chemistry. NEW J CHEM 2018. [DOI: 10.1039/c7nj04513a] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A new era in the organic synthetic world is demanding greener protocols for the execution of reactions.
Collapse
Affiliation(s)
- Aparna Monga
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Sourav Bagchi
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Anuj Sharma
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| |
Collapse
|
19
|
Mani GS, Rao AVS, Tangella Y, Sunkari S, Sultana F, Namballa HK, Shankaraiah N, Kamal A. Molecular iodine-catalysed oxidative CO–C(alkyl) bond cleavage of aryl/heteroaryl alkyl ketones: an efficient strategy to access fused polyheterocycles. NEW J CHEM 2018. [DOI: 10.1039/c8nj03417f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
An efficient molecular iodine-catalysed one-pot strategy has been accomplished for the construction of various fused heterocycles under metal and oxidant free conditions.
Collapse
Affiliation(s)
- Geeta Sai Mani
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research
- Hyderabad-500037
- India
| | - Ayanampudi Venkata Subba Rao
- Division of Medicinal Chemistry and Pharmacology, CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Yellaiah Tangella
- Division of Medicinal Chemistry and Pharmacology, CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Satish Sunkari
- Division of Medicinal Chemistry and Pharmacology, CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Faria Sultana
- Division of Medicinal Chemistry and Pharmacology, CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Hari Krishna Namballa
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research
- Hyderabad-500037
- India
| | - Nagula Shankaraiah
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research
- Hyderabad-500037
- India
| | - Ahmed Kamal
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research
- Hyderabad-500037
- India
- Division of Medicinal Chemistry and Pharmacology, CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
| |
Collapse
|
20
|
Khalili D, Etemadi-Davan E, Banazadeh AR. 2-Arylation/alkylation of benzothiazoles using superparamagneticgraphene oxide-Fe3
O4
hybrid material as a heterogeneous catalystwith diisopropyl azodicarboxylate (DIAD) as an oxidant. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3971] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Dariush Khalili
- Department of Chemistry, College of Sciences; Shiraz University; Shiraz 71454 Iran
| | - Elham Etemadi-Davan
- Department of Chemistry, College of Sciences; Shiraz University; Shiraz 71454 Iran
| | - Ali Reza Banazadeh
- Department of Chemistry and Biochemistry; Texas Tech. University; Lubbock Texas 79409 USA
| |
Collapse
|
21
|
Rong HJ, Yao JJ, Li JK, Qu J. Molecular Iodine-Mediated α-C–H Oxidation of Pyrrolidines to N,O-Acetals: Synthesis of (±)-Preussin by Late-Stage 2,5-Difunctionalizations of Pyrrolidine. J Org Chem 2017; 82:5557-5565. [DOI: 10.1021/acs.joc.7b00361] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Hao-Jie Rong
- The State Key Laboratory
and Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jun-Jun Yao
- The State Key Laboratory
and Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ji-Kun Li
- The State Key Laboratory
and Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jin Qu
- The State Key Laboratory
and Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China
| |
Collapse
|
22
|
Gong J, Huang L, Deng Q, Jie K, Wang Y, Guo S, Cai H. Metal-free phosphonation of benzoxazoles and benzothiazoles under oxidative conditions. Org Chem Front 2017. [DOI: 10.1039/c7qo00318h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A metal-free C-2 phosphonation of benzoxazoles and benzothiazoles with trialkyl phosphites was described.
Collapse
Affiliation(s)
- Jiuhan Gong
- Department of Chemistry
- Nanchang University
- Nanchang
- P. R. China
| | - Ling Huang
- Department of Chemistry
- Nanchang University
- Nanchang
- P. R. China
| | - Qidu Deng
- School of Materials Science and Engineering
- East China Jiaotong University
- Nanchang
- P. R. China
| | - Kun Jie
- Department of Chemistry
- Nanchang University
- Nanchang
- P. R. China
| | - Yufeng Wang
- Department of Chemistry
- Nanchang University
- Nanchang
- P. R. China
| | - Shengmei Guo
- Department of Chemistry
- Nanchang University
- Nanchang
- P. R. China
| | - Hu Cai
- Department of Chemistry
- Nanchang University
- Nanchang
- P. R. China
| |
Collapse
|
23
|
Mali JK, Mali DA, Telvekar VN. Copper-II mediated tandem reaction between aromatic ketones and 2-aminobenzenethiol for the synthesis of 2-aroylbenzothiazoles. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.04.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
|
24
|
Dar AA, Shadab M, Khan S, Ali N, Khan AT. One-Pot Synthesis and Evaluation of Antileishmanial Activities of Functionalized S-Alkyl/Aryl Benzothiazole-2-carbothioate Scaffold. J Org Chem 2016; 81:3149-60. [PMID: 26999637 DOI: 10.1021/acs.joc.6b00113] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The synthesis of hitherto unreported S-alkyl/aryl benzothiazole-2-carbothioate is reported from thiols, oxalyl chloride, and 2-aminothiophenols using 10 mol % n-tetrabutylammonium iodide (TBAI) as catalyst in acetonitrile through multicomponent reaction (MCR) strategy. The present protocol favored formation of benzothiazoles and thioesters via simultaneous formation of C-N and C-S bonds in good yields with a wide range of substrates. A few of the synthesized derivatives were evaluated for their antimicrobial activity against the protozoan parasite Leishmania donovani, a causative agent of visceral leishmaniasis (VL). Further, these compounds displayed no toxicity toward macrophage RAW 264.7 cells and are therefore nontoxic and effective antileishmanial leads. In silico docking studies were performed to understand the possible binding site interaction with trypanothione reductase (TryR).
Collapse
Affiliation(s)
- Ajaz A Dar
- Department of Chemistry, Indian Institute of Technology Guwahati , Guwahati 781 039, India
| | - M Shadab
- Infectious Diseases and Immunology Division, Indian Institute of Chemical Biology , 4, Raja S.C. Mullick Road, Kolkata 700 032, India
| | - Suman Khan
- Department of Chemistry, Pohang University of Science and Technology , Pohang, 37673, Republic of South Korea
| | - Nahid Ali
- Infectious Diseases and Immunology Division, Indian Institute of Chemical Biology , 4, Raja S.C. Mullick Road, Kolkata 700 032, India
| | - Abu T Khan
- Department of Chemistry, Indian Institute of Technology Guwahati , Guwahati 781 039, India
| |
Collapse
|
25
|
Zhang J, Gao Q, Wu X, Geng X, Wu YD, Wu A. Dual Roles of Methyl Ketones in Radziszewski-Type Reaction: Formal [2 + 1 + 1 + 1] Synthesis of 1,2,5-Trisubstituted Imidazoles. Org Lett 2016; 18:1686-9. [DOI: 10.1021/acs.orglett.6b00607] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jingjing Zhang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Qinghe Gao
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xia Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xiao Geng
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yan-Dong Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Anxin Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| |
Collapse
|
26
|
Jiang J, Zou H, Dong Q, Wang R, Lu L, Zhu Y, He W. Synthesis of 2-Keto(hetero)aryl Benzox(thio)azoles through Base Promoted Cyclization of 2-Amino(thio)phenols with α,α-Dihaloketones. J Org Chem 2015; 81:51-6. [DOI: 10.1021/acs.joc.5b02093] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jun Jiang
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Huaxu Zou
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Qizhi Dong
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Ruijia Wang
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Linghui Lu
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Yonggang Zhu
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Weimin He
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| |
Collapse
|
27
|
Nguyen TB, Pasturaud K, Ermolenko L, Al-Mourabit A. Concise Access to 2-Aroylbenzothiazoles by Redox Condensation Reaction between o-Halonitrobenzenes, Acetophenones, and Elemental Sulfur. Org Lett 2015; 17:2562-5. [DOI: 10.1021/acs.orglett.5b01182] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Thanh Binh Nguyen
- Institut de Chimie des Substances
Naturelles, CNRS-ICSN UPR 2301, Université Paris-Sud, 1 avenue de
la Terrase, Gif-sur-Yvette 91198 Cedex, France
| | - Karine Pasturaud
- Institut de Chimie des Substances
Naturelles, CNRS-ICSN UPR 2301, Université Paris-Sud, 1 avenue de
la Terrase, Gif-sur-Yvette 91198 Cedex, France
| | - Ludmila Ermolenko
- Institut de Chimie des Substances
Naturelles, CNRS-ICSN UPR 2301, Université Paris-Sud, 1 avenue de
la Terrase, Gif-sur-Yvette 91198 Cedex, France
| | - Ali Al-Mourabit
- Institut de Chimie des Substances
Naturelles, CNRS-ICSN UPR 2301, Université Paris-Sud, 1 avenue de
la Terrase, Gif-sur-Yvette 91198 Cedex, France
| |
Collapse
|
28
|
Chan STS, Patel PR, Ransom TR, Henrich CJ, McKee TC, Goey AKL, Cook KM, Figg WD, McMahon JB, Schnermann MJ, Gustafson KR. Structural Elucidation and Synthesis of Eudistidine A: An Unusual Polycyclic Marine Alkaloid that Blocks Interaction of the Protein Binding Domains of p300 and HIF-1α. J Am Chem Soc 2015; 137:5569-75. [PMID: 25892103 PMCID: PMC6318789 DOI: 10.1021/jacs.5b02156] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Low oxygen environments are a hallmark of solid tumors, and transcription of many hypoxia-responsive genes needed for survival under these conditions is regulated by the transcription factor HIF-1 (hypoxia-inducible factor 1). Activation of HIF-1 requires binding of its α-subunit (HIF-1α) to the transcriptional coactivator protein p300. Inhibition of the p300/HIF-1α interaction can suppress HIF-1 activity. A screen for inhibitors of the protein binding domains of p300 (CH1) and HIF-1α (C-TAD) identified an extract of the marine ascidian Eudistoma sp. as active. Novel heterocyclic alkaloids eudistidines A (1) and B (2) were isolated from the extract, and their structures assigned by spectroscopic analyses. They contain an unprecedented tetracyclic core composed of two pyrimidine rings fused with an imidazole ring. Eudistidine A (1) was synthesized in a concise four-step sequence featuring a condensation/cyclization reaction cascade between 4-(2-aminophenyl)pyrimidin-2-amine (3) and 4-methoxy-phenylglyoxal (4), while eudistidine B (2) was synthesized in a similar fashion with glyoxylic acid (5) in place of 4. Naturally occurring eudistidine A (1) effectively inhibited CH1/C-TAD binding with an IC50 of 75 μM, and synthetic 1 had similar activity. The eudistidine A (1) scaffold, which can be synthesized in a concise, scalable manner, may provide potential therapeutic lead compounds or molecular probes to study p300/HIF-1α interactions and the role these proteins play in tumor response to low oxygen conditions. The unique structural scaffolds and functional group arrays often found in natural products make these secondary metabolites a rich source of new compounds that can disrupt critical protein-protein binding events.
Collapse
Affiliation(s)
- Susanna T. S. Chan
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Paresma R. Patel
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Tanya R. Ransom
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Curtis J. Henrich
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- Basic Science Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702-1201, United States
| | - Tawnya C. McKee
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Andrew K. L. Goey
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Kristina M. Cook
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - William D. Figg
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - James B. McMahon
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Martin J. Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Kirk R. Gustafson
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| |
Collapse
|
29
|
Wang R, An CH, Li Y, Zhao Y, Wang T, Li A. Direct synthesis of 2-arylbenzothiazoles from benzothiazoles with phenylglycine derivatives mediated by Cu(OTf)2/K2S2O8. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
30
|
Senadi GC, Hu WP, Lu TY, Garkhedkar AM, Vandavasi JK, Wang JJ. I₂-TBHP-catalyzed oxidative cross-coupling of N-sulfonyl hydrazones and isocyanides to 5-aminopyrazoles. Org Lett 2015; 17:1521-4. [PMID: 25738730 DOI: 10.1021/acs.orglett.5b00398] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
I2-TBHP-catalyzed oxidative cross coupling of N-sulfonyl hydrazones with isocyanides has been realized for the synthesis of 5-aminopyrazoles through formal [4 + 1] annulation via in situ azoalkene formation. Notable features are the metal/alkyne-free strategy, C-C and C-N bond formation, atom economy, catalytic I2, broad functional group tolerance, good reaction yields, shorter time, and also applicability to one-pot methodology.
Collapse
Affiliation(s)
- Gopal Chandru Senadi
- †Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan First Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Wan-Ping Hu
- ‡Department of Biotechnology, Kaohsiung Medical University, No. 100, Shih-Chuan First Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Ting-Yi Lu
- †Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan First Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Amol Milind Garkhedkar
- †Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan First Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Jaya Kishore Vandavasi
- †Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan First Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Jeh-Jeng Wang
- †Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan First Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| |
Collapse
|
31
|
Deng T, Wang H, Cai C. Copper-Catalyzed Asymmetric Oxidative Cross-Coupling of 2-Naphthols with Aryl Methyl Ketones. European J Org Chem 2015. [DOI: 10.1002/ejoc.201403512] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
|
32
|
Gao Q, Liu S, Wu X, Wu A. Convergent integration of three self-sorting domino sequences: three-component direct synthesis of 3-methylthio-4-aryl-maleimides from methyl ketones with acetonitrile and DMSO. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.09.099] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
33
|
One-pot total synthesis: the first total synthesis of chiral alkaloid pimprinol A and the facile construction of its natural congeners from amino acids. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.08.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
|
34
|
Wan JP, Zhou Y, Cao S. Domino Reactions Involving the Branched C–N and C═C Cleavage of Enaminones Toward Pyridines Synthesis. J Org Chem 2014; 79:9872-7. [DOI: 10.1021/jo5018266] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jie-Ping Wan
- Key Laboratory of Functional
Small Organic Molecules, Ministry of Education and College of Chemistry
and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Youyi Zhou
- Key Laboratory of Functional
Small Organic Molecules, Ministry of Education and College of Chemistry
and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Shuo Cao
- Key Laboratory of Functional
Small Organic Molecules, Ministry of Education and College of Chemistry
and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| |
Collapse
|
35
|
Chen XL, Li X, Qu LB, Tang YC, Mai WP, Wei DH, Bi WZ, Duan LK, Sun K, Chen JY, Ke DD, Zhao YF. Peroxides as “Switches” of Dialkyl H-Phosphonate: Two Mild and Metal-Free Methods for Preparation of 2-Acylbenzothiazoles and Dialkyl Benzothiazol-2-ylphosphonates. J Org Chem 2014; 79:8407-16. [DOI: 10.1021/jo501791n] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Xiao-Lan Chen
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Xu Li
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Ling-Bo Qu
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
- Chemistry
and Chemical Engineering School, Henan University of Technology, Henan Province Zhengzhou 450052, People’s Republic of China
| | - Yu-Chun Tang
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Wen-Peng Mai
- Chemistry
and Chemical Engineering School, Henan University of Technology, Henan Province Zhengzhou 450052, People’s Republic of China
| | - Dong-Hui Wei
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Wen-Zhu Bi
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Li-Kun Duan
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Kai Sun
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Jian-Yu Chen
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Dian-Dian Ke
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
| | - Yu-Fen Zhao
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan
Province Zhengzhou, 450052, People’s Republic of China
- Department
of Chemistry, Xiamen University, Xiamen 361005, People’s Republic of China
| |
Collapse
|
36
|
Feng Q, Song Q. Chemoselective Copper-Catalyzed Acylation of Benzothiazoles with Aryl Methyl Ketones. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400240] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
|
37
|
Gao FF, Xue WJ, Wang JG, Wu AX. Logical design and synthesis of indole-2,3-diones and 2-hydroxy-3(2H)-benzofuranones via one-pot intramolecular cyclization. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
38
|
Park SY, Lee K, Kim SH. Direct Preparation of 2-Benzothiazolylzinc Bromide and its Applications: A Facile Synthetic Route to the Preparation of 2-Substituted Benzothiazole Derivatives. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.6.1848] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
39
|
Zhang M, Lu WT, Ruan W, Zhang HJ, Wen TB. Copper-catalyzed solvent-free redox condensation of benzothiazoles with aldehydes or benzylic alcohols. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.01.120] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
40
|
Iron-catalyzed arylation or aroylation of benzothiazoles with benzylic alcohols and aryl ketones. Tetrahedron 2014. [DOI: 10.1016/j.tet.2013.11.078] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
41
|
Chen X, Huang X, He Q, Xie Y, Yang C. Palladium-catalyzed oxidative C–H/C–H cross-coupling of benzothiazoles with thiophenes and thiazoles. Chem Commun (Camb) 2014; 50:3996-9. [DOI: 10.1039/c4cc00362d] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
|
42
|
Iron-catalyzed 2-acylbenzothiazole formation from aryl ketones and benzothiazoles using oxygen as oxidant. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.05.050] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|