1
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Majedi M, Safaei E, Gyergyek S. New iron(iii) complex of bis-bidentate-anchored diacyl resorcinol on a Fe 3O 4 nanomagnet: C-H bond oxygenation, oxidative cleavage of alkenes and benzoxazole synthesis. RSC Adv 2023; 13:4040-4055. [PMID: 36756566 PMCID: PMC9890640 DOI: 10.1039/d2ra06818d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/17/2023] [Indexed: 01/31/2023] Open
Abstract
We have synthesized a novel, bis-bidentate, covalently anchored, 4,6-diacetyl resorcinol (DAR) ligand on silica-coated magnetic Fe3O4 nanoparticles and the corresponding bi-metallic iron(iii) complex (Fe3O4@SiO2-APTESFe2LDAR). Both the chemical nature and the structure of the homogeneously heterogenized catalyst were investigated using physico-chemical techniques. The results obtained by XPS, XRD, FT-IR, TGA, VSM, SEM, TEM, EDX, ICP and AAS revealed a magnetic core, a silica layer and the grafting of a binuclear iron complex on the Fe3O4@SiO2-APTES, as well as its thermodynamic stability. Despite many reports of metal complexes on different supports, there are no reports of anchored, bi-metallic complexes. To the best of our knowledge, this is the first report of a bi-active site catalyst covalently attached to a support. This study focuses on the catalytic activity of an as-synthesized, bi-active site catalyst for C-H bond oxygenation, the oxidative cleavage of alkenes, and the multicomponent, one-pot synthesis of benzoxazole derivatives with excellent yields from readily available starting materials. Our results indicated high conversion rates and selectivity under mild reaction conditions and simple separation using a magnetic field. The leaching and recyclability tests of the catalyst were investigated for the above processes, which indicated that all the reactions proceed via a heterogeneous pathway and that the catalyst is recyclable without any tangible loss in catalytic activity for at least 8, 5 and 5 cycles for C-H bond oxygenation, C[double bond, length as m-dash]C bond cleavage and benzoxazole synthesis, respectively.
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Affiliation(s)
- Mona Majedi
- Department of Chemistry, College of Sciences, Shiraz University Shiraz 71454 Iran
| | - Elham Safaei
- Department of Chemistry, College of Sciences, Shiraz University Shiraz 71454 Iran
| | - Sašo Gyergyek
- Department for Synthesis of Materials, Jožef Stefan InstituteJamova cesta 391000 LjubljanaSlovenia
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2
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Al-Janabi AS, Yousef TA, Al-Doori ME, Bedier R, Ahmed BM. Palladium(II)-salicylanilide complexes as antibacterial agents: Synthesis, spectroscopic, structural characterization, DFT calculations, biological and in silico studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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3
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Jinfeng F, Yanmei L, Yan H, Moghadasi Z. Synthesis of heterocycles catalyzed by metallic nanoparticles (NPs). SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1980888] [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]
Affiliation(s)
- Fu Jinfeng
- School of Chemical and Environmental Engineering, Jiaozuo University, Jiaozuo, China
| | - Li Yanmei
- School of Chemical and Environmental Engineering, Jiaozuo University, Jiaozuo, China
| | - Hou Yan
- School of Chemical and Environmental Engineering, Jiaozuo University, Jiaozuo, China
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4
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Li M, Li M, Tang Y, Sun Y, Qu L, Mao Z. Cu(II)/Vasicine Promoted Intramolecular C-O Formation: Synthesis of Benzoxazoles in EtOH. Curr Org Synth 2020; 18:310-315. [PMID: 33167843 DOI: 10.2174/1570179417666201109151752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/12/2020] [Accepted: 10/15/2020] [Indexed: 11/22/2022]
Abstract
AIMS AND OBJECTIVES Benzoxazoles are valuable bicyclic aromatic compounds; the construction of benzoxazoles via C-O cross-coupling reactions has attracted more and more attention. MATERIALS AND METHODS The best condition of C-O bond formation from o-haloanilides was carried out, taking Cu(OTf)2 (5 mol%) and vasicine (10 mol%) as the catalysts in EtOH in the presence of K2CO3 (2 eq.) for 12 h at 90°C. RESULTS A series of 2-substituted benzoxazoles have been prepared in high yields from 2-bromoanilides and 2- iodioanilides under mild conditions. CONCLUSION We have developed an efficient Cu-vasicine catalytic system for intramolecular C-O bond formation. This strategy is applicable to the synthesis of a wide variety of 2-substituted benzoxazoles by intramolecular O-arylation of o-haloanilides.
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Affiliation(s)
- Minxin Li
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Meiling Li
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Yanling Tang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Yun Sun
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Lu Qu
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Zewei Mao
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
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5
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Dhameliya TM, Donga HA, Vaghela PV, Panchal BG, Sureja DK, Bodiwala KB, Chhabria MT. A decennary update on applications of metal nanoparticles (MNPs) in the synthesis of nitrogen- and oxygen-containing heterocyclic scaffolds. RSC Adv 2020; 10:32740-32820. [PMID: 35516511 PMCID: PMC9056690 DOI: 10.1039/d0ra02272a] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 08/12/2020] [Indexed: 12/15/2022] Open
Abstract
Heterocycles have been found to be of much importance as several nitrogen- and oxygen-containing heterocycle compounds exist amongst the various USFDA-approved drugs. Because of the advancement of nanotechnology, nanocatalysis has found abundant applications in the synthesis of heterocyclic compounds. Numerous nanoparticles (NPs) have been utilized for several organic transformations, which led us to make dedicated efforts for the complete coverage of applications of metal nanoparticles (MNPs) in the synthesis of heterocyclic scaffolds reported from 2010 to 2019. Our emphasize during the coverage of catalyzed reactions of the various MNPs such as Ag, Au, Co, Cu, Fe, Ni, Pd, Pt, Rh, Ru, Si, Ti, and Zn has not only been on nanoparticles catalyzed synthetic transformations for the synthesis of heterocyclic scaffolds, but also provide an inherent framework for the reader to select a suitable catalytic system of interest for the synthesis of desired heterocyclic scaffold.
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Affiliation(s)
- Tejas M Dhameliya
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
| | - Hiren A Donga
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
| | - Punit V Vaghela
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
| | - Bhoomi G Panchal
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
| | - Dipen K Sureja
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
| | - Kunjan B Bodiwala
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
| | - Mahesh T Chhabria
- L. M. College of Pharmacy Navrangpura Ahmedabad 380 009 Gujarat India +91 79 2630 4865 +91 79 2630 2746
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6
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Zhu X, Zhou F, Yang Y, Deng G, Liang Y. Catalyst- and Additive-Free Method for the Synthesis of 2-Substituted Benzothiazoles from Aromatic Amines, Aliphatic Amines, and Elemental Sulfur. ACS OMEGA 2020; 5:13136-13147. [PMID: 32548500 PMCID: PMC7288589 DOI: 10.1021/acsomega.0c01150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
Under catalyst- and additive-free conditions, a novel, convenient, environmentally friendly method was developed for the synthesis of 2-substituted benzothiazoles via the three-component one pot reaction from aromatic amines, aliphatic amines, and elemental sulfur. The reaction achieves double C-S and one C-N bond formations via cleavage of two C-N bonds and multiple C-H bonds. Furthermore, the mechanism research shows that DMSO acts as an oxidant in the cyclization reaction.
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Affiliation(s)
- Xiaoming Zhu
- National
and Local Joint Engineering Laboratory for New Petro-chemical Materials
and Fine Utilization of Resources, Key Laboratory of Chemical Biology
and Traditional Chinese Medicine Research, Ministry of Education,
Key Laboratory of the Assembly and Application of Organic Functional
Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
- Key
Laboratory of Functional Metal-Organic Compounds of Hunan Province,
Hunan Province Universities Key Laboratory of Functional Organometallic
Materials, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, Hunan 421008, China
| | - Fengru Zhou
- National
and Local Joint Engineering Laboratory for New Petro-chemical Materials
and Fine Utilization of Resources, Key Laboratory of Chemical Biology
and Traditional Chinese Medicine Research, Ministry of Education,
Key Laboratory of the Assembly and Application of Organic Functional
Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
| | - Yuan Yang
- National
and Local Joint Engineering Laboratory for New Petro-chemical Materials
and Fine Utilization of Resources, Key Laboratory of Chemical Biology
and Traditional Chinese Medicine Research, Ministry of Education,
Key Laboratory of the Assembly and Application of Organic Functional
Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
| | - Guobo Deng
- National
and Local Joint Engineering Laboratory for New Petro-chemical Materials
and Fine Utilization of Resources, Key Laboratory of Chemical Biology
and Traditional Chinese Medicine Research, Ministry of Education,
Key Laboratory of the Assembly and Application of Organic Functional
Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
| | - Yun Liang
- National
and Local Joint Engineering Laboratory for New Petro-chemical Materials
and Fine Utilization of Resources, Key Laboratory of Chemical Biology
and Traditional Chinese Medicine Research, Ministry of Education,
Key Laboratory of the Assembly and Application of Organic Functional
Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
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7
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Tang Y, Li M, Gao H, Rao G, Mao Z. Efficient Cu-catalyzed intramolecular O-arylation for synthesis of benzoxazoles in water. RSC Adv 2020; 10:14317-14321. [PMID: 35498497 PMCID: PMC9051899 DOI: 10.1039/d0ra00570c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/28/2020] [Indexed: 12/28/2022] Open
Abstract
An efficient method was developed for synthesis of benzoxazoles by Cu-catalyzed intramolecular O-arylation of o-halobenzanilides in water. This strategy provides several advantages, such as high yields, water as a green solvent and functional groups tolerance. An efficient method was developed for synthesis of benzoxazoles by Cu-catalyzed intramolecular O-arylation of o-halobenzanilides in water.![]()
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Affiliation(s)
- Yanling Tang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine Kunming 650500 P.R. China +86 871 65918232 +86 871 65918232
| | - Minxin Li
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine Kunming 650500 P.R. China +86 871 65918232 +86 871 65918232
| | - Hui Gao
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine Kunming 650500 P.R. China +86 871 65918232 +86 871 65918232
| | - Gaoxiong Rao
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine Kunming 650500 P.R. China +86 871 65918232 +86 871 65918232
| | - Zewei Mao
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine Kunming 650500 P.R. China +86 871 65918232 +86 871 65918232
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8
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Liu X, Dong ZB. A Review on Domino Condensation/Cyclization Reactions for the Synthesis of 2-Substituted 1,3-Benzothiazole Derivatives. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901502] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xing Liu
- School of Chemistry and Environmental Engineering; Wuhan Institute of Technology; 430205 Wuhan China
| | - Zhi-Bing Dong
- School of Chemistry and Environmental Engineering; Wuhan Institute of Technology; 430205 Wuhan China
- Key Laboratory of Green Chemical Process; Ministry of Education; Wuhan Institute of Technology; 430205 Wuhan China
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules; Ministry of Education; Hubei University; 430062 Wuhan China
- Hubei Key Laboratory of Novel Reactor and Green Chemistry Technology; Ministry of Education; Wuhan Institute of Technology; 430205 Wuhan China
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9
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Luo Z, Wu H, Li Y, Chen Y, Nie J, Lu S, Zhu Y, Zeng Z. Cesium Fluoride and Copper‐Catalyzed One‐Pot Synthesis of Benzoxazoles
via
a Site‐Selective Amide C−N Bond Cleavage. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900485] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Zhongfeng Luo
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Hongxiang Wu
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Yue Li
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Yuwen Chen
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Jingyi Nie
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Siqi Lu
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Yulin Zhu
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Zhuo Zeng
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry Chinese Academy of Science 345 Lingling Road Shanghai 200032 People's Republic of China
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10
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Naikwade A, Jagadale M, Kale D, Gajare S, Bansode P, Rashinkar G. Intramolecular O‐arylation using nano‐magnetite supported
N
‐heterocyclic carbene‐copper complex with wingtip ferrocene. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
| | - Megha Jagadale
- Department of ChemistryShivaji University Kolhapur 416004, M.S. India
| | - Dolly Kale
- Department of ChemistryShivaji University Kolhapur 416004, M.S. India
| | - Shivanand Gajare
- Department of ChemistryShivaji University Kolhapur 416004, M.S. India
| | - Prakash Bansode
- Department of ChemistryShivaji University Kolhapur 416004, M.S. India
| | - Gajanan Rashinkar
- Department of ChemistryShivaji University Kolhapur 416004, M.S. India
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11
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Hajipour AR, Khorsandi Z, Mohammadi B. Cobalt‐Catalyzed Three‐Component Synthesis of Propargylamine Derivatives and Sonogashira Reaction: A Comparative Study between Co‐NPs and Co‐NHC@MWCNTs. ChemistrySelect 2019. [DOI: 10.1002/slct.201803586] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Abdol R. Hajipour
- Department of ChemistryIsfahan University of Technology Isfahan 84156 Iran
- Department of NeuroscienceUniversity of WisconsinMedical School, Madison WI53706-1532 USA
| | - Zahra Khorsandi
- Department of ChemistryIsfahan University of Technology Isfahan 84156 Iran
| | - Bahareh Mohammadi
- Department of ChemistryIsfahan University of Technology Isfahan 84156 Iran
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12
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Venu Saranya T, Rajan Sruthi P, Anas S. Facile synthesis of 2-benzoxazoles via CuI/2,2'-bipyridine catalyzed intramolecular C-O coupling of 2-haloanilides. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2018.1554147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | - Saithalavi Anas
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam, India
- Advanced Molecular Materials Research Centre, Mahatma Gandhi University, Kottayam, India
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13
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Panda N, Sahoo K. Synthesis of 4‐Alkenyl Benzoxazoles via Pd‐catalyzed
ortho
C−H Functionalization of 2‐Amidophenols. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801272] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Niranjan Panda
- Department of ChemistryNational Institute of Technology Rourkela Odisha- 769008 India
| | - Kanchanbala Sahoo
- Department of ChemistryNational Institute of Technology Rourkela Odisha- 769008 India
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14
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Hajipour AR, Khorsandi Z, Fakhari F, Mortazavi M, Farrokhpour H. A Comparative Study between Co‐ and CoFe
2
O
4
‐NPs Catalytic Activities in Synthesis of Flavone Derivatives; Study of Their Interactions with Estrogen Receptor by Molecular Docking. ChemistrySelect 2018. [DOI: 10.1002/slct.201702702] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Abdol R. Hajipour
- Department of ChemistryIsfahan University of Technology Isfahan 84156 Iran
- Department of NeuroscienceUniversity of WisconsinMedical School, Madison WI53706-1532 USA
| | - Zahra Khorsandi
- Department of ChemistryIsfahan University of Technology Isfahan 84156 Iran
| | - Farzaneh Fakhari
- Department of ChemistryIsfahan University of Technology Isfahan 84156 Iran
| | - Maryam Mortazavi
- Department of Chemical industryfaculty of Shiraz daughters branchtrchnical and vocational university (TVU) Shiraz 71454 Iran
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15
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Yuan X, Liu Y, Qin M, Yang X, Chen B. Elemental Sulfur Participates in the Decarboxylative Coupling of Oxidized 2-Aminophenol and Phenylglyoxylic Acid. ChemistrySelect 2018. [DOI: 10.1002/slct.201800874] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xinglong Yuan
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou 730000, P. R. of China
| | - Yafeng Liu
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou 730000, P. R. of China
| | - Mingda Qin
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou 730000, P. R. of China
| | - Xueying Yang
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou 730000, P. R. of China
| | - Baohua Chen
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou 730000, P. R. of China
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16
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Yang B, Hu W, Zhang S. Synthesis of benzoxazoles via an iron-catalyzed domino C-N/C-O cross-coupling reaction. RSC Adv 2018; 8:2267-2270. [PMID: 35541485 PMCID: PMC9077259 DOI: 10.1039/c7ra13080e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 12/29/2017] [Indexed: 01/19/2023] Open
Abstract
An eco-friendly and efficient method has been developed for the synthesis of 2-arylbenzoxazoles via a domino iron-catalyzed C–N/C–O cross-coupling reaction. Some of the issues typically encountered during the synthesis of 2-arylbenzoxazoles in the presence of palladium and copper catalysts, including poor substrate scope and long reaction times have been addressed using this newly developed iron-catalyzed method. The synthesis of benzoxazoles via an iron-catalyzed cascade C–N and C–O coupling is described.![]()
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Affiliation(s)
- Bo Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
| | - Weiye Hu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
| | - Songlin Zhang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 P. R. China
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17
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Ojha NK, Zyryanov GV, Majee A, Charushin VN, Chupakhin ON, Santra S. Copper nanoparticles as inexpensive and efficient catalyst: A valuable contribution in organic synthesis. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.10.004] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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18
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Gieshoff T, Kehl A, Schollmeyer D, Moeller KD, Waldvogel SR. Insights into the Mechanism of Anodic N-N Bond Formation by Dehydrogenative Coupling. J Am Chem Soc 2017; 139:12317-12324. [PMID: 28792218 DOI: 10.1021/jacs.7b07488] [Citation(s) in RCA: 138] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The electrochemical synthesis of pyrazolidine-3,5-diones and benzoxazoles by N-N bond formation and C,O linkage, respectively, represents an easy access to medicinally relevant structures. Electrochemistry as a key technology ensures a safe and sustainable approach. We gained insights in the mechanism of these reactions by combining cyclovoltammetric and synthetic studies. The electron-transfer behavior of anilides and dianilides was studied and led to the following conclusion: The N-N bond formation involves a diradical as intermediate, whereas the benzoxazole formation is based on a cationic mechanism. Besides these studies, we developed a synthetic route to mixed dianilides as starting materials for the N-N coupling. The compatibility with valuable functionalities like triflates and mesylates for follow-up reactions as well as the comparison of different electrochemical set-ups also enhanced the applicability of this method.
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Affiliation(s)
- Tile Gieshoff
- Institute of Organic Chemistry, Johannes Gutenberg University Mainz , 55128 Mainz, Germany.,Graduate School Materials Science in Mainz, Johannes Gutenberg University Mainz , 55128 Mainz, Germany.,Department of Chemistry, Washington University , St. Louis, Missouri 63130, United States
| | - Anton Kehl
- Institute of Organic Chemistry, Johannes Gutenberg University Mainz , 55128 Mainz, Germany
| | - Dieter Schollmeyer
- Institute of Organic Chemistry, Johannes Gutenberg University Mainz , 55128 Mainz, Germany
| | - Kevin D Moeller
- Department of Chemistry, Washington University , St. Louis, Missouri 63130, United States
| | - Siegfried R Waldvogel
- Institute of Organic Chemistry, Johannes Gutenberg University Mainz , 55128 Mainz, Germany.,Graduate School Materials Science in Mainz, Johannes Gutenberg University Mainz , 55128 Mainz, Germany
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19
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Srivastava A, Shukla G, Singh MS. p -Toluenesulfonic acid-catalyzed metal-free formal [4 + 1] heteroannulation via N H/O H/S H functionalization: One-pot access to 2-aryl/hetaryl/alkyl benzazole derivatives. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.12.073] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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20
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Chang W, Sun Y, Huang Y. One-pot green synthesis of benzoxazole derivatives through molecular sieve-catalyzed oxidative cyclization reaction. HETEROATOM CHEMISTRY 2017. [DOI: 10.1002/hc.21360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Weichieh Chang
- Department of Applied Chemistry; National University of Kaohsiung; Kaohsiung Taiwan
| | - Yukai Sun
- Department of Chemistry; National Tsing Hua University; Hsinchu Taiwan
| | - Yungtzung Huang
- Department of Applied Chemistry; National University of Kaohsiung; Kaohsiung Taiwan
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21
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Singh AS, Singh M, Mishra N, Mishra S, Agrahari AK, Tiwari VK. N-Acylbenzotriazole as Efficient Ligand in Copper-CatalyzedO-Arylation Leading to Diverse Benzoxazoles. ChemistrySelect 2017. [DOI: 10.1002/slct.201601116] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Anoop S. Singh
- Department of Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005 India
| | - Mala Singh
- Department of Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005 India
| | - Nidhi Mishra
- Department of Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005 India
| | - Snigdha Mishra
- Department of Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005 India
| | - Anand K. Agrahari
- Department of Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005 India
| | - Vinod K. Tiwari
- Department of Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005 India
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22
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Gieshoff T, Kehl A, Schollmeyer D, Moeller KD, Waldvogel SR. Electrochemical synthesis of benzoxazoles from anilides – a new approach to employ amidyl radical intermediates. Chem Commun (Camb) 2017; 53:2974-2977. [DOI: 10.1039/c7cc00927e] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The electroorganic synthesis of a variety of benzoxazoles starting from easy accessible anilides is reported.
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Affiliation(s)
- Tile Gieshoff
- Institute of Organic Chemistry
- Johannes Gutenberg University Mainz
- Mainz
- Germany
- Graduate School Materials Science in Mainz
| | - Anton Kehl
- Institute of Organic Chemistry
- Johannes Gutenberg University Mainz
- Mainz
- Germany
| | - Dieter Schollmeyer
- Institute of Organic Chemistry
- Johannes Gutenberg University Mainz
- Mainz
- Germany
| | - Kevin D. Moeller
- Department of Chemistry
- Washington University in St. Louis
- St. Louis
- USA
| | - Siegfried R. Waldvogel
- Institute of Organic Chemistry
- Johannes Gutenberg University Mainz
- Mainz
- Germany
- Graduate School Materials Science in Mainz
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23
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Gawande MB, Goswami A, Felpin FX, Asefa T, Huang X, Silva R, Zou X, Zboril R, Varma RS. Cu and Cu-Based Nanoparticles: Synthesis and Applications in Catalysis. Chem Rev 2016; 116:3722-811. [DOI: 10.1021/acs.chemrev.5b00482] [Citation(s) in RCA: 1589] [Impact Index Per Article: 198.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Manoj B. Gawande
- Regional
Centre of Advanced Technologies and Materials, Faculty of Science,
Department of Physical Chemistry, Palacky University, Šlechtitelů
11, 783 71 Olomouc, Czech Republic
| | - Anandarup Goswami
- Regional
Centre of Advanced Technologies and Materials, Faculty of Science,
Department of Physical Chemistry, Palacky University, Šlechtitelů
11, 783 71 Olomouc, Czech Republic
- Department
of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
- Department
of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, New Jersey 08854, United States
| | - François-Xavier Felpin
- UFR
Sciences et Techniques, UMR CNRS 6230, Chimie et Interdisciplinarité:
Synthèse, Analyse, Modélisation (CEISAM), Université de Nantes, 2 Rue de la Houssinière, BP 92208, Nantes 44322 Cedex 3, France
| | - Tewodros Asefa
- Department
of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
- Department
of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, New Jersey 08854, United States
| | - Xiaoxi Huang
- Department
of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Rafael Silva
- Department
of Chemistry, Maringá State University, Avenida Colombo 5790, CEP 87020-900 Maringá, Paraná, Brazil
| | - Xiaoxin Zou
- State
Key
Laboratory of Inorganic Synthesis and Preparative Chemistry, International
Joint Research Laboratory of Nano-Micro Architecture Chemistry, College
of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Radek Zboril
- Regional
Centre of Advanced Technologies and Materials, Faculty of Science,
Department of Physical Chemistry, Palacky University, Šlechtitelů
11, 783 71 Olomouc, Czech Republic
| | - Rajender S. Varma
- Regional
Centre of Advanced Technologies and Materials, Faculty of Science,
Department of Physical Chemistry, Palacky University, Šlechtitelů
11, 783 71 Olomouc, Czech Republic
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24
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Urzúa JI, Contreras R, Salas CO, Tapia RA. N-Heterocyclic carbene copper(i) complex-catalyzed synthesis of 2-aryl benzoxazoles and benzothiazoles. RSC Adv 2016. [DOI: 10.1039/c6ra18510j] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new an efficient synthesis of 2-aryl benzoxazoles and benzothiazoles by intramolecular cyclization of 2-haloanilides/2-halothioanilides using a copper(i)-NHC complex is described.
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Affiliation(s)
- Julio I. Urzúa
- Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
| | - Renato Contreras
- Departamento de Química
- Facultad de Ciencias
- Universidad de Chile
- Santiago
- Chile
| | - Cristian O. Salas
- Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
| | - Ricardo A. Tapia
- Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
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25
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Hajipour AR, Khorsandi Z. A comparative study of the catalytic activity of Co- and CoFe2O4-NPs in C–N and C–O bond formation: synthesis of benzimidazoles and benzoxazoles from o-haloanilides. NEW J CHEM 2016. [DOI: 10.1039/c6nj02293f] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Herein, new methods and a comparison of the results for dehalogenative intramolecular C–X bond formation using two inexpensive and efficient catalysts are reported.
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Affiliation(s)
- Abdol R. Hajipour
- Department of Chemistry
- Isfahan University of Technology
- Isfahan 84156
- Islamic Republic of Iran
- Department of Neuroscience
| | - Zahra Khorsandi
- Department of Chemistry
- Isfahan University of Technology
- Isfahan 84156
- Islamic Republic of Iran
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26
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Sasmal S, Sen I, Hall RG, Pal S. Intermolecular coupling of 2-iodoanilides with benzoxazoles: synthesis of N-(2-Benzoxazol-2-ylphenyl)benzamides via C–H activation. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.01.150] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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27
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Khatun N, Santra SK, Banerjee A, Patel BK. Nano CuO Catalyzed Cross Dehydrogenative Coupling (CDC) of Aldehydes to Anhydrides. European J Org Chem 2015. [DOI: 10.1002/ejoc.201403508] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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28
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Bagdi PR, Basha RS, Khan AT. Synthesis of 2-triazolyl-imidazo[1,2-a]pyridine through a one-pot three-component reaction using a nano copper oxide assisted click-catalyst. RSC Adv 2015. [DOI: 10.1039/c5ra09671e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
The syntheses of 2-triazolyl imidazo[1,2-a]pyridine were accomplished through 5-exo dig cyclisation using 5 mol% nanocopper oxide together with 10 mol% sodium ascorbate as a click-catalyst in ethanol at 70 °C.
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Affiliation(s)
- Prasanta Ray Bagdi
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati 781 039
- India
| | - R. Sidick Basha
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati 781 039
- India
| | - Abu T. Khan
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati 781 039
- India
- Vice-Chancellor
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29
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Hajipour AR, Khorsandi Z, Mortazavi M, Farrokhpour H. Green, efficient and large-scale synthesis of benzimidazoles, benzoxazoles and benzothiazoles derivatives using ligand-free cobalt-nanoparticles: as potential anti-estrogen breast cancer agents, and study of their interactions with estrogen receptor by molecular docking. RSC Adv 2015. [DOI: 10.1039/c5ra22207a] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A facile and high yielding method for the synthesis of 2-aryl benzoxazoles, benzimidazole and benzothiazoles is reported employing cobalt oxide nanoparticles.
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Affiliation(s)
- Abdol R. Hajipour
- Pharmaceutical Research Laboratory
- Department of Chemistry
- Isfahan University of Technology
- Isfahan 84156
- Islamic Republic of Iran
| | - Zahra Khorsandi
- Pharmaceutical Research Laboratory
- Department of Chemistry
- Isfahan University of Technology
- Isfahan 84156
- Islamic Republic of Iran
| | - Maryam Mortazavi
- Department of Chemistry
- Isfahan University of Technology
- Isfahan
- I. R. Iran
- Department of Chemistry
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30
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Dutta U, Deb A, Lupton DW, Maiti D. The regioselective iodination of quinolines, quinolones, pyridones, pyridines and uracil. Chem Commun (Camb) 2015; 51:17744-7. [DOI: 10.1039/c5cc07799k] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A radical based direct C–H iodination protocol for quinolines, quinolones, pyridones, pyridines, and uracil has been developed.
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Affiliation(s)
- Uttam Dutta
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai - 400076
- India
- IITB-Monash Research Academy
| | - Arghya Deb
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai - 400076
- India
| | - David W. Lupton
- IITB-Monash Research Academy
- Mumbai - 400076
- India
- School of Chemistry
- Monash University
| | - Debabrata Maiti
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai - 400076
- India
- IITB-Monash Research Academy
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31
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Gogoi A, Guin S, Rout SK, Majji G, Patel BK. A Cu-catalysed synthesis of substituted 3-methyleneisoindolin-1-one. RSC Adv 2014. [DOI: 10.1039/c4ra12782j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
A Cu-catalysed synthesis of substituted isoindolin-1-one has been achieved via a decarboxylative alkynylation–heteroannulation path.
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Affiliation(s)
- Anupal Gogoi
- Department of Chemistry
- Indian Institute of Technology
- Guwahati, India
| | - Srimanta Guin
- Department of Chemistry
- Indian Institute of Technology
- Guwahati, India
| | - Saroj K. Rout
- Department of Chemistry
- Indian Institute of Technology
- Guwahati, India
| | - Ganesh Majji
- Department of Chemistry
- Indian Institute of Technology
- Guwahati, India
| | - Bhisma K. Patel
- Department of Chemistry
- Indian Institute of Technology
- Guwahati, India
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32
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Wu F, Zhang J, Wei Q, Liu P, Xie J, Jiang H, Dai B. Copper-catalysed intramolecular O-arylation: a simple and efficient method for benzoxazole synthesis. Org Biomol Chem 2014; 12:9696-701. [DOI: 10.1039/c4ob02068e] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An efficient protocol has been developed for the copper-catalysed intramolecular cyclization of N-(2-iodo-/bromo-/chloro-phenyl)benzamides for the synthesis of 2-substituted benzoxazoles.
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Affiliation(s)
- Fengtian Wu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
| | - Jie Zhang
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
| | - Qianbing Wei
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
| | - Ping Liu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
| | - Jianwei Xie
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
| | - Haojie Jiang
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
| | - Bin Dai
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi 832003, China
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