1
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An Z, Miao M, Sun F, Lan XB, Yu JQ, Guo X, Zhang J. Copper-catalyzed oxidative cyclization of 2-(1 H-pyrrol-1-yl)aniline and alkylsilyl peroxides: a route to pyrrolo[1,2- a]quinoxalines. Org Biomol Chem 2024; 22:2370-2374. [PMID: 38416487 DOI: 10.1039/d3ob01934a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
An efficient method was developed for the one-pot construction of pyrrolo[1,2-a]quinoxalines via a Cu(II)-catalyzed domino reaction between 2-(1H-pyrrol-1-yl)anilines and alkylsilyl peroxides. This reaction proceeds through C-C bond cleavage and new C-C and C-N bond formation. A mechanistic study suggests that alkyl radical species participate in the cascade reaction.
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Affiliation(s)
- Zhenyu An
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Man Miao
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Fengkai Sun
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Xiao-Bing Lan
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Jian-Qiang Yu
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Xiaoli Guo
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Jian Zhang
- College of Pharmacy, Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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2
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Sun F, Miao M, Li W, Lan XB, Yu JQ, Zhang J, An Z. Electrochemical oxidative dehydrogenative annulation of 1-(2-aminophenyl)pyrroles with cleavage of ethers to synthesize pyrrolo[1,2- a]quinoxaline derivatives. Org Biomol Chem 2024; 22:472-476. [PMID: 38099809 DOI: 10.1039/d3ob01867a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
An array of pyrrolo[1,2-a]quinoxaline derivatives were achieved with moderate to good yields via the electrochemical redox reaction, which includes the functionalization of C(sp3)-H bonds and the construction of C-C and C-N bonds. In this atom economic reaction, THF was used as both a reactant and a solvent, and H2 was the sole by-product.
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Affiliation(s)
- Fengkai Sun
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Man Miao
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Wenxue Li
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Xiao-Bing Lan
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Jian-Qiang Yu
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Jian Zhang
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
- State Key Laboratory of Oncogenes and Related Genes, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhenyu An
- College of Pharmacy, Ningxia Characteristic Traditional Chinese Medicine Modern Engineering Research Center, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
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3
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Avula B, Reddivari CKR, Muchumarri RMR, Eraganaboyina S, Zyryanov GV, Nemallapudi BR. Recent Advances in the Synthesis of Quinoxalines. A Mini Review. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2023.2167215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Balakrishna Avula
- Department of Chemistry, Rajeev Gandhi Memorial College of Engineering and Technology (Autonomous), Nandyal, India
| | | | | | - Suneetha Eraganaboyina
- Department of Chemistry, Rajeev Gandhi Memorial College of Engineering and Technology (Autonomous), Nandyal, India
| | - Grigory V. Zyryanov
- Chemical Engineering Institute, Ural Federal University, Yekaterinburg, Russia
- Ural Division of the Russian Academy of Sciences, I. Ya. Postovskiy Institute of Organic Synthesis, Yekaterinburg, Russia
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4
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Geng M, Huang M, Kuang J, Fang W, Miao M, Ma Y. Application of N, N-Dimethylethanolamine as a One-Carbon Synthon for the Synthesis of Pyrrolo[1,2- a]quinoxalines, Quinazolin-4-ones, and Benzo[4,5]imidazoquinazolines via [5 + 1] Annulation. J Org Chem 2022; 87:14753-14762. [PMID: 36254464 DOI: 10.1021/acs.joc.2c02079] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The synthesis of N-heterocycles composes a significant part of synthetic chemistry. In this report, a Cu(II)-catalyzed green and efficient synthesis of pyrrolo[1,2-a]quinoxaline, quinazolin-4-one, and benzo[4,5]imidazoquinazoline derivatives was developed, employing N,N-dimethylethanolamine (DMEA) as a C1 synthon. Green oxidant O2 is critical in these transformations, facilitating the formation of a key intermediate─a reactive iminium ion. The method conducted under mild conditions is compatible with a diversity of functional groups, providing an appealing alternative to the previously developed protocols.
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Affiliation(s)
- Meiqi Geng
- Institute of Advanced Studies and School of Pharmaceutical Sciences, Taizhou University, Jiaojiang, 318000 Zhejiang, Taizhou, China.,Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, 310018 Zhejiang, Hangzhou, China
| | - Minzhao Huang
- Institute of Advanced Studies and School of Pharmaceutical Sciences, Taizhou University, Jiaojiang, 318000 Zhejiang, Taizhou, China
| | - Jinqiang Kuang
- Institute of Advanced Studies and School of Pharmaceutical Sciences, Taizhou University, Jiaojiang, 318000 Zhejiang, Taizhou, China
| | - Weiwei Fang
- International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China
| | - MaoZhong Miao
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, 310018 Zhejiang, Hangzhou, China
| | - Yongmin Ma
- Institute of Advanced Studies and School of Pharmaceutical Sciences, Taizhou University, Jiaojiang, 318000 Zhejiang, Taizhou, China
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5
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Le HX, Nguyen TT. Recent Examples in the Synthesis and Functionalization of C−H Bonds in Pyrrolo/Indolo [1,2‐
a
]Quinoxalines. ChemistrySelect 2022. [DOI: 10.1002/slct.202200166] [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)
- Huy X. Le
- Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
- 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
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
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6
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Mu Y, Iqbal Z, Jiang R, Hou J, Yang Z, Li H, Tang D. Synthesis of Fused pyrazolo[4,3‐
c
]quinolines through KI‐Promoted Cyclization of Pyrazole‐arylamines and Benzyl Bromide. ChemistrySelect 2022. [DOI: 10.1002/slct.202104337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Yangxiu Mu
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan 750002 P. R. China
| | - Zafar Iqbal
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan 750002 P. R. China
| | - Rui Jiang
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan 750002 P. R. China
| | - Jing Hou
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan 750002 P. R. China
| | - Zhixiang Yang
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan 750002 P. R. China
| | - Hongjun Li
- National Measurement and Testing Center for Coal Chemical industry Ningxia Academy of Metrology & Quality Inspection Yinchuan 750002 P. R. China
| | - Dong Tang
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan 750002 P. R. China
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7
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Tang D, Mu Y, Iqbal Z, He L, Jiang R, Hou J, Yang Z, Yang M. Construction of substituted pyrazolo[4,3‐c]quinolines via [5+1] cyclization of pyrazole‐arylamines with alcohols/amines in one pot. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Dong Tang
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
- Department of Chemistry Lishui University Lishui China
| | - Yangxiu Mu
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
| | - Zafar Iqbal
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
| | - Lili He
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
| | - Rui Jiang
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
| | - Jing Hou
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
| | - Zhixiang Yang
- Ningxia Center of Agricultural Organic Synthesis Agricultural Resource and Environment Institute of Ningxia Academy of Agriculture and Forestry Science Yinchuan China
| | - Minghua Yang
- Department of Chemistry Lishui University Lishui China
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8
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An Effient Synthesis of Pyrrolo[1,2‐
a
]quinoxaline Derivatives via Isocyanide Insertion into the N−H Bond of 2‐(1
H
‐pyrrol‐1‐yl)anilines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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9
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Liu S, Zhang P, Zhang Y, Zhou X, Liang J, Nan J, Ma Y. Bifunctional acidic ionic liquid-catalyzed decarboxylative cascade synthesis of quinoxalines in water under ambient conditions. Org Chem Front 2021. [DOI: 10.1039/d1qo01068a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An acid-functionalized ionic liquid (IL)-catalyzed cascade decarboxylative cyclization of 2-arylanilines with α-oxocarboxylic acids was developed.
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Affiliation(s)
- Shanshan Liu
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Pingjun Zhang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Yuanyuan Zhang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Xianying Zhou
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Jiahui Liang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Jiang Nan
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Yangmin Ma
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
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10
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Li S, Feng L, Ma C. Simple and green synthesis of benzimidazoles and pyrrolo[1,2- a]quinoxalines via Mamedov heterocycle rearrangement. NEW J CHEM 2021. [DOI: 10.1039/d1nj01251g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This method is metal and catalyst-free and only solvent (HOAc) is required with H2O as the sole byproduct.
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Affiliation(s)
- Shichen Li
- School of Chemistry and Chemical Engineering Shandong University Jinan
- Shandong
- P. R. China
| | - Lei Feng
- School of Chemistry and Chemical Engineering Shandong University Jinan
- Shandong
- P. R. China
| | - Chen Ma
- School of Chemistry and Chemical Engineering Shandong University Jinan
- Shandong
- P. R. China
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11
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Viji M, Vishwanath M, Sim J, Park Y, Jung C, Lee S, Lee H, Lee K, Jung JK. α-Hydroxy acid as an aldehyde surrogate: metal-free synthesis of pyrrolo[1,2- a]quinoxalines, quinazolinones, and other N-heterocycles via decarboxylative oxidative annulation reaction. RSC Adv 2020; 10:37202-37208. [PMID: 35521290 PMCID: PMC9057147 DOI: 10.1039/d0ra07093a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 10/04/2020] [Indexed: 01/18/2023] Open
Abstract
A metal-free and efficient procedure for the synthesis of pyrrolo[1,2-a]quinoxalines, quinazolinones, and indolo[1,2-a]quinoxaline has been developed. The key features of our method include the in situ generation of aldehyde from α-hydroxy acid in the presence of TBHP (tert-butyl hydrogen peroxide), and further condensation with various amines, followed by intramolecular cyclization and subsequent oxidation to afford the corresponding quinoxalines, quinazolinones derivatives in moderate to high yields.
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Affiliation(s)
- Mayavan Viji
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Manjunatha Vishwanath
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Jaeuk Sim
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Yunjeong Park
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Chanhyun Jung
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Seohu Lee
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Heesoon Lee
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
| | - Kiho Lee
- College of Pharmacy, Korea University Sejong 30019 Republic of Korea
| | - Jae-Kyung Jung
- College of Pharmacy, Medicinal Research Center (MRC), Chungbuk National University Cheongju 28160 Republic of Korea +82-43-268-2732 +82-43-261-2635
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12
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Mamedov VA, Khafizova EA, Algaeva NE, Latypov SK, Sinyashin OG. Acid-Catalyzed Multicomponent Rearrangements via 2-((Quinoxalin-3(4 H)-on-2-yl)(aryl)methylene)malononitriles, Generated In Situ, for Divergent Synthesis of Pyrroles with Different Substitution Patterns. J Org Chem 2020; 85:9887-9904. [PMID: 32588636 DOI: 10.1021/acs.joc.0c01180] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
New three-component domino reactions, providing divergent approaches to multifunctionalized pyrroles with different substitution patterns, have been established (47 examples). In this work, a new rearrangement of quinoxalinones with the participation of the in situ-generated 2-en-1-imine moiety of the substituent at C3 makes it possible to construct two new heterocyclic systems, namely, a benzimidazolone and a pyrrole, simultaneously under one-pot reaction conditions. The reaction is easy to perform simply by mixing three common reactants of acetic acid with heating. Secondary amines or primary alcohols as the third component of the reaction, along with quinoxalin-3(4H)-ones and malononitrile, not only initiate the rearrangement but also are responsible for the nature of substituents at position 5 of the pyrrole ring in the newly formed new biheterocyclic system. The reaction proceeds smoothly and can be finished within 7 h, which makes workup convenient to give up to 97% chemical yields.
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Affiliation(s)
- Vakhid A Mamedov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Elena A Khafizova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Nataliya E Algaeva
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Shamil K Latypov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Oleg G Sinyashin
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
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13
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Li S, Xie C, Chu X, Dai Z, Feng L, Ma C. KI-Mediated One-Pot Transition-Metal-Rree Synthesis of 4-Phenylpyrrolo[1,2-a
]quinoxalines. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000791] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Shichen Li
- School of Chemistry and Chemical Engineering; Shandong University; 250100 Jinan P.R. China
| | - Caixia Xie
- School of Chemistry and Chemical Engineering; Shandong University of Technology; 255049 Zibo P.R. China
| | - Xianglong Chu
- School of Chemistry and Chemical Engineering; Shandong University; 250100 Jinan P.R. China
| | - Zhen Dai
- School of Chemistry and Chemical Engineering; Shandong University; 250100 Jinan P.R. China
| | - Lei Feng
- School of Chemistry and Chemical Engineering; Shandong University; 250100 Jinan P.R. China
| | - Chen Ma
- School of Chemistry and Chemical Engineering; Shandong University; 250100 Jinan P.R. China
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14
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Yan R, Guan X. Copper-Catalyzed Synthesis of Alkyl-Substituted Pyrrolo[1,2-a]quinoxalines from 2-(1H-Pyrrol-1-yl)anilines and Alkylboronic Acids. Synlett 2020. [DOI: 10.1055/s-0037-1610743] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A radical pathway for the construction of pyrrolo[1,2-a]quinoxalines by using 2-(1H-pyrrol-1-yl)anilines and alkylboronic acids has been developed. Features of this process include Cu catalysis, readily accessible starting materials, and simple operations. Alkylboronic acids are used for the construction of pyrrolo[1,2-a]quinoxaline derivatives, and the desired products are obtained in moderate yields.
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Affiliation(s)
- Rulong Yan
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry, Lanzhou University
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15
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Trujillo SA, Peña-Solórzano D, Bejarano OR, Ochoa-Puentes C. Tin(ii) chloride dihydrate/choline chloride deep eutectic solvent: redox properties in the fast synthesis of N-arylacetamides and indolo(pyrrolo)[1,2-a]quinoxalines. RSC Adv 2020; 10:40552-40561. [PMID: 35520840 PMCID: PMC9057578 DOI: 10.1039/d0ra06871c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 10/16/2020] [Indexed: 01/07/2023] Open
Abstract
In this contribution a physicochemical, IR and Raman characterization for the tin(ii) chloride dihydrate/choline chloride eutectic mixture is reported. The redox properties of this solvent were also studied by cyclic voltammetry finding that it can be successfully used as an electrochemical solvent for electrosynthesis and electroanalytical processes and does not require negative potentials as verified by the reduction of nitrobenzene. The potential use of this eutectic mixture as a redox solvent was further explored in obtaining aromatic amines and N-arylacetamides starting from a wide variety of nitroaromatic compounds. In addition, a fast synthetic strategy for the construction of a series of indolo(pyrrolo)[1,2-a]quinoxalines was developed by reacting 1-(2-nitrophenyl)-1H-indole(pyrrole) with aldehydes. This simple protocol offers a straightforward method for the construction of the target quinoxalines in short reaction times and high yields where the key step involves a tandem one-pot reductive cyclization-oxidation. Physicochemical and redox properties of SnCl2·2H2O/ChCl deep eutectic solvent were studied and applied in the synthesis of anilines, N-arylacetamides and indolo(pyrrolo)[1,2-a]quinoxalines starting from nitroaromatic compounds.![]()
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Affiliation(s)
- Sergio Alfonso Trujillo
- Laboratorio de Síntesis Orgánica Sostenible
- Departamento de Química
- Universidad Nacional de Colombia–Sede Bogotá
- Bogotá
- Colombia
| | - Diana Peña-Solórzano
- Laboratorio de Síntesis Orgánica Sostenible
- Departamento de Química
- Universidad Nacional de Colombia–Sede Bogotá
- Bogotá
- Colombia
| | - Oscar Rodríguez Bejarano
- Laboratorio de Electroquímica y Termodinámica Computacional
- Departamento de Química
- Universidad Nacional de Colombia–Sede Bogotá
- Bogotá
- Colombia
| | - Cristian Ochoa-Puentes
- Laboratorio de Síntesis Orgánica Sostenible
- Departamento de Química
- Universidad Nacional de Colombia–Sede Bogotá
- Bogotá
- Colombia
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16
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Wang X, Liu H, Xie C, Zhou F, Ma C. Terminal methyl as a one-carbon synthon: synthesis of quinoxaline derivatives via radical-type transformation. NEW J CHEM 2020. [DOI: 10.1039/c9nj04910j] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An iron-promoted method for the construction of pyrrolo[1,2-a]quinoxaline derivatives has been developed. Various solvents with terminal methyl group, including ethers, amines and dimethyl sulfoxide, were utilized as carbon sources for the synthesis.
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Affiliation(s)
- Xinfeng Wang
- Key Laboratory of Special Functional Aggregated Materials
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Huanhuan Liu
- Key Laboratory of Special Functional Aggregated Materials
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Caixia Xie
- Key Laboratory of Special Functional Aggregated Materials
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Feiyu Zhou
- Key Laboratory of Special Functional Aggregated Materials
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Chen Ma
- Key Laboratory of Special Functional Aggregated Materials
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
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17
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Patil BN, Lade JJ, Pardeshi SD, Patil P, Chaskar AC. Polyethylene‐Glycol‐ (PEG‐400) Mediated Environmentally Benign Protocol for the Synthesis of Pyrrolo[1,2‐a]quinoxalines from Benzyl Amines at Room Temperature. ChemistrySelect 2019. [DOI: 10.1002/slct.201902656] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Bhausaheb N. Patil
- National Centre for Nanosciences and NanotechnologyUniversity of Mumbai, VidyanagariKalina Campus, Santacruz (East) Mumbai- 400098, Maharashtra India
| | - Jatin J. Lade
- National Centre for Nanosciences and NanotechnologyUniversity of Mumbai, VidyanagariKalina Campus, Santacruz (East) Mumbai- 400098, Maharashtra India
| | - Sachin D. Pardeshi
- National Centre for Nanosciences and NanotechnologyUniversity of Mumbai, VidyanagariKalina Campus, Santacruz (East) Mumbai- 400098, Maharashtra India
| | - Prashant Patil
- VERT Chemmie, Naupada, Thane (W) 400602 Maharashtra India
| | - Atul C. Chaskar
- National Centre for Nanosciences and NanotechnologyUniversity of Mumbai, VidyanagariKalina Campus, Santacruz (East) Mumbai- 400098, Maharashtra India
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18
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Ni J, Jiang Y, Qi Z, Yan R. TFAA-Catalyzed Annulation Synthesis of Spiro Pyrrolo[1,2-a]quinoxaline Derivatives from 1-(2-Aminophenyl)pyrroles and Benzoquinones/Ketones. Chem Asian J 2019; 14:2898-2902. [PMID: 31283108 DOI: 10.1002/asia.201900567] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/07/2019] [Indexed: 12/31/2022]
Abstract
A metal-free trifluorosulfonate anhydride (TFAA)-catalyzed strategy for the synthesis of spiro pyrrolo[1,2-a]quinoxalines from 1-(2-aminophenyl)pyrroles and benzoquinones/ketones has been developed. With this general method, spiro pyrrolo[1,2-a]quinoxalines have been accessed via nucleophilic addition and cyclization. This reaction exhibits good functional group tolerance, and a wide range of products are obtained in moderate to good yields.
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Affiliation(s)
- Jixiang Ni
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Yong Jiang
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, China
| | - Zhenjie Qi
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Rulong Yan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
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19
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20
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An Z, Zhao L, Wu M, Ni J, Qi Z, Yu G, Yan R. FeCl 3-Catalyzed synthesis of pyrrolo[1,2-a]quinoxaline derivatives from 1-(2-aminophenyl)pyrroles through annulation and cleavage of cyclic ethers. Chem Commun (Camb) 2018; 53:11572-11575. [PMID: 28990598 DOI: 10.1039/c7cc07089f] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A straightforward Fe-catalyzed method for the synthesis of pyrrolo[1,2-a]quinoxalines from 1-(2-aminophenyl)pyrroles and cyclic ethers, which includes functionalization of C(sp3)-H bonds and the construction of C-C and C-N bonds, has been developed. The features of this reaction are Fe catalysis, low-cost and readily accessible starting materials. Moreover, this procedure exhibits good functional group tolerance and a series of pyrrolo[1,2-a]quinoxaline derivatives are obtained in moderate to good yields.
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Affiliation(s)
- Zhenyu An
- 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, Gansu, China.
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21
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Pang X, Wu M, Ni J, Zhang F, Lan J, Chen B, Yan R. Copper-Catalyzed Tandem Aerobic Oxidative Cyclization for the Synthesis of Polysubstituted Quinolines via C(sp3)/C(sp2)–H Bond Functionalization. J Org Chem 2017; 82:10110-10120. [DOI: 10.1021/acs.joc.7b01575] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Xiaobo Pang
- 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, Gansu 730000, China
| | - Mingzhong Wu
- 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, Gansu 730000, China
| | - Jixiang Ni
- 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, Gansu 730000, China
| | - Fuming 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, Gansu 730000, China
| | - Jingfeng Lan
- 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, Gansu 730000, China
| | - Baohua Chen
- 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, Gansu 730000, China
| | - Rulong Yan
- 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, Gansu 730000, China
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22
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Rubio-Presa R, Pedrosa MR, Fernández-Rodríguez MA, Arnáiz FJ, Sanz R. Molybdenum-Catalyzed Synthesis of Nitrogenated Polyheterocycles from Nitroarenes and Glycols with Reuse of Waste Reduction Byproduct. Org Lett 2017; 19:5470-5473. [DOI: 10.1021/acs.orglett.7b02792] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Rubén Rubio-Presa
- Departamento de Química,
Facultad de Ciencias, Universidad de Burgos, Pza Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Marı́a R. Pedrosa
- Departamento de Química,
Facultad de Ciencias, Universidad de Burgos, Pza Misael Bañuelos s/n, 09001 Burgos, Spain
| | | | - Francisco J. Arnáiz
- Departamento de Química,
Facultad de Ciencias, Universidad de Burgos, Pza Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Roberto Sanz
- Departamento de Química,
Facultad de Ciencias, Universidad de Burgos, Pza Misael Bañuelos s/n, 09001 Burgos, Spain
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23
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Lade JJ, Patil BN, Vhatkar MV, Vadagaonkar KS, Chaskar AC. An Efficient Synthesis of Pyrrolo[1,2-a
]quinoxalines by Copper-Catalyzed C−H Activation of Arylacetic Acids. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700239] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jatin J. Lade
- National Centre for Nanosciences and Nanotechnology; University of Mumbai, Vidyanagari, Kalina Campus, Santacruz (East); Mumbai- 400098 India
| | - Bhausaheb N. Patil
- National Centre for Nanosciences and Nanotechnology; University of Mumbai, Vidyanagari, Kalina Campus, Santacruz (East); Mumbai- 400098 India
| | - Mahendra V. Vhatkar
- National Centre for Nanosciences and Nanotechnology; University of Mumbai, Vidyanagari, Kalina Campus, Santacruz (East); Mumbai- 400098 India
| | - Kamlesh S. Vadagaonkar
- Department of Dyestuff Technology; Institute of Chemical Technology, Nathalal Parekh Marg, Matunga (East); Mumbai- 400019 India
| | - Atul C. Chaskar
- National Centre for Nanosciences and Nanotechnology; University of Mumbai, Vidyanagari, Kalina Campus, Santacruz (East); Mumbai- 400098 India
- Department of Dyestuff Technology; Institute of Chemical Technology, Nathalal Parekh Marg, Matunga (East); Mumbai- 400019 India
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24
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Lade JJ, Patil BN, Sathe PA, Vadagaonkar KS, Chetti P, Chaskar AC. Iron Catalyzed Cascade Protocol for the Synthesis of Pyrrolo[1, 2-a
]quinoxalines: A Powerful Tool to Access Solid State Emissive Organic Luminophores. ChemistrySelect 2017. [DOI: 10.1002/slct.201701383] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jatin J. Lade
- National Centre for Nanosciences and Nanotechnology; University of Mumbai-; 400 098 India
| | - Bhausaheb N. Patil
- National Centre for Nanosciences and Nanotechnology; University of Mumbai-; 400 098 India
| | - Pratima A. Sathe
- National Centre for Nanosciences and Nanotechnology; University of Mumbai-; 400 098 India
| | - Kamlesh S. Vadagaonkar
- Department of Dyestuff Technology; Institute of Chemical Technology; Mumbai- 400019 India
| | - Prabhakar Chetti
- Department of Chemistry; National Institute of Technology; Kurukshetra 136119, Haryana India
| | - Atul C. Chaskar
- National Centre for Nanosciences and Nanotechnology; University of Mumbai-; 400 098 India
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25
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Meazza M, Leth LA, Erickson JD, Jørgensen KA. Indium(III)-catalyzed Aza-Conia-Ene Reaction for the Synthesis of Indolizines. Chemistry 2017; 23:7905-7909. [PMID: 28444826 DOI: 10.1002/chem.201701820] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Indexed: 01/03/2023]
Abstract
A new indium(III)-catalyzed reaction for the synthesis of a series of indolizine scaffolds has been developed. This methodology was highly efficient, allowing a low catalyst loading of 2 mol % (down to 0.5 mol %) and rendering the products in high yields through a 5-exo-dig aza-Conia-ene reaction. Furthermore, the possibility of incorporating an electrophile into the generated pyrrolidone ring in a one-pot synergistic fashion was demonstrated. Finally, based on experimental observations, a mechanism proposal was outlined.
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Affiliation(s)
- Marta Meazza
- Department of Chemistry, Aarhus University, 8000, Aarhus C, Denmark
| | - Lars A Leth
- Department of Chemistry, Aarhus University, 8000, Aarhus C, Denmark
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26
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Sheng X, Zhang J, Yang H, Jiang G. Tunable Aerobic Oxidative Hydroxylation/Dehydrogenative Homocoupling of Pyrazol-5-ones under Transition-Metal-Free Conditions. Org Lett 2017; 19:2618-2621. [DOI: 10.1021/acs.orglett.7b00951] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Xuguang Sheng
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research
Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinlong Zhang
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research
Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
| | - Huameng Yang
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research
Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
| | - Gaoxi Jiang
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research
Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
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27
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Liu H, Zhou F, Luo W, Chen Y, Zhang C, Ma C. Application of α-amino acids for the transition-metal-free synthesis of pyrrolo[1,2-a]quinoxalines. Org Biomol Chem 2017; 15:7157-7164. [DOI: 10.1039/c7ob01688c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A practical and concise protocol for the efficient synthesis of pyrrolo[1,2-a]quinoxalines from readily available α-amino acids and 2-(1H-pyrrol-1-yl)anilines under transition metal-free conditions has been established. This protocol, which includes the formation of new C–C and C–N bonds, features a wide substrate scope with a broad range of functional group tolerance.
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Affiliation(s)
- Huanhuan Liu
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
- P. R. China
| | - Feiyu Zhou
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
- P. R. China
| | - Wen Luo
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
- P. R. China
| | - Yuxin Chen
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
- P. R. China
| | - Chenyang Zhang
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
- P. R. China
| | - Chen Ma
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
- P. R. China
- State Key Laboratory of Natural and Biomimetic Drugs
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28
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Dai C, Deng S, Zhu Q, Tang X. Synthesis of pyrrolo[1,2-a]quinoxalines via copper or iron-catalyzed aerobic oxidative carboamination of sp3C–H bonds. RSC Adv 2017. [DOI: 10.1039/c7ra09214h] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
We developed an aerobic oxidative carboamination of sp3C–H bonds with 2-(1H-pyrrol-1-yl)anilines for synthesis of pyrrolo[1,2-a]quinoxalines.
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Affiliation(s)
- Chenshu Dai
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Siqi Deng
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Qiuhua Zhu
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Xiaodong Tang
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
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