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Construction and Aromatization of Hantzsch 1,4‐Dihydropyridines under Microwave Irradiation: A Green Approach. ChemistrySelect 2022. [DOI: 10.1002/slct.202104032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Hosseinnejad T, Omrani-Pachin M, Heravi MM. Joint Computational and Experimental Investigations on the Synthesis and Properties of Hantzsch-type Compounds: An Overview. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190808110837] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this review, we try to highlight the significance, mechanism propositions, computational and experimental assessments of Hantzsch dihydropyridine (DHPs) which readily oxidized to the corresponding pyridines as one of the most important aromatic heterocycles. We also try to give an overview to its ability in transfer hydrogenation, acting as hydride donors from computational and experimental points of view. Our survey is also extended to computational assessments on the structural and biological properties of Hantzsch DHPs.
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Affiliation(s)
- Tayebeh Hosseinnejad
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University, Tehran, Iran
| | - Marzieh Omrani-Pachin
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University, Tehran, Iran
| | - Majid M. Heravi
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University, Tehran, Iran
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3
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Chen W, Sun C, Zhang Y, Hu T, Zhu F, Jiang X, Abame MA, Yang F, Suo J, Shi J, Shen J, Aisa HA. Oxidative Aromatization of 3,4-Dihydroquinolin-2(1 H)-ones to Quinolin-2(1 H)-ones Using Transition-Metal-Activated Persulfate Salts. J Org Chem 2019; 84:8702-8709. [PMID: 31244162 DOI: 10.1021/acs.joc.9b00756] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Inorganic persulfate salts were identified as efficient reagents for the oxidative aromatization of 3,4-dihydroquinolin-2(1 H)-ones through the activation of readily available transition metals, such as iron and copper. The feasible protocol conforming to the requirement of green chemistry was utilized in the preparation of the key intermediate (7-(4-chlorobutoxy)quinolin-2(1 H)-one 2) of brexpiprazole in 80% isolated yield on a 100 g scale, and different quinolin-2(1 H)-one derivatives with various functional groups were demonstrated in 52-89% yields.
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Affiliation(s)
- Weiming Chen
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , South Beijing Road 40-1 , Urumqi , Xinjiang 830011 , People's Republic of China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , People's Republic of China
| | - Changliang Sun
- Topharman Shanghai Co., Ltd. , Building 1, No. 388 Jialilue Road, Zhangjiang Hitech Park , Shanghai 201209 , People's Republic of China
| | - Yan Zhang
- CAS Key Laboratory for Receptor Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , People's Republic of China
| | - Tianwen Hu
- Topharman Shanghai Co., Ltd. , Building 1, No. 388 Jialilue Road, Zhangjiang Hitech Park , Shanghai 201209 , People's Republic of China
| | - Fuqiang Zhu
- Topharman Shanghai Co., Ltd. , Building 1, No. 388 Jialilue Road, Zhangjiang Hitech Park , Shanghai 201209 , People's Republic of China
| | - Xiangrui Jiang
- CAS Key Laboratory for Receptor Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , People's Republic of China
| | - Melkamu Alemu Abame
- University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , People's Republic of China.,CAS Key Laboratory for Receptor Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , People's Republic of China
| | - Feipu Yang
- CAS Key Laboratory for Receptor Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , People's Republic of China
| | - Jin Suo
- CAS Key Laboratory for Receptor Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , People's Republic of China
| | - Jing Shi
- Topharman Shanghai Co., Ltd. , Building 1, No. 388 Jialilue Road, Zhangjiang Hitech Park , Shanghai 201209 , People's Republic of China
| | - Jingshan Shen
- CAS Key Laboratory for Receptor Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , People's Republic of China
| | - Haji A Aisa
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , South Beijing Road 40-1 , Urumqi , Xinjiang 830011 , People's Republic of China
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Molaei S, Ghadermazi M. Synthesis and characterization of indium and thallium immobilized on isonicotinamide‐functionalized mesoporous MCM‐41: Two novel and highly active heterogeneous catalysts for selective oxidation of sulfides and thiols to their corresponding sulfoxides and disulfides. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4972] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Somayeh Molaei
- Department of Chemistry, Faculty of ScienceUniversity of Kurdistan Sanandaj Iran
| | - Mohammad Ghadermazi
- Department of Chemistry, Faculty of ScienceUniversity of Kurdistan Sanandaj Iran
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Tan J, Liu X, Yao N, Hu YL, Li XH. Novel and Effective Strategy of Multifunctional Titanium Incorporated Mesoporous Material Supported Ionic Liquid Mediated Reusable Hantzsch Reaction. ChemistrySelect 2019. [DOI: 10.1002/slct.201803739] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jin Tan
- College of Materials and Chemical Engineering; Key laboratory of inorganic nonmetallic crystalline and energy conversion materials; China Three Gorges University; Yichang 443002, Hubei province P. R. China
| | - Xiang Liu
- College of Materials and Chemical Engineering; Key laboratory of inorganic nonmetallic crystalline and energy conversion materials; China Three Gorges University; Yichang 443002, Hubei province P. R. China
| | - Nan Yao
- College of Materials and Chemical Engineering; Key laboratory of inorganic nonmetallic crystalline and energy conversion materials; China Three Gorges University; Yichang 443002, Hubei province P. R. China
| | - Yu Lin Hu
- College of Materials and Chemical Engineering; Key laboratory of inorganic nonmetallic crystalline and energy conversion materials; China Three Gorges University; Yichang 443002, Hubei province P. R. China
| | - Xue Hui Li
- School of Chemistry and Chemical Engineering; Pulp & Paper Engineering State Key Laboratory of China; South China University of Technology; Guangzhou 510640 P. R. China
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Zhizhina EG, Rodikova YA, Podyacheva OY, Pai ZP. Regenerating Spent Solutions of Vanadium-containing Heteropoly Acids in the Presence of Additives. Z Anorg Allg Chem 2018. [DOI: 10.1002/zaac.201800215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Elena G. Zhizhina
- Department of Fine Organic Synthesis and Renewable Energy Sources; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
| | - Yulia A. Rodikova
- Department of Fine Organic Synthesis and Renewable Energy Sources; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
| | - Olga Yu. Podyacheva
- Department of Heterogeneous Catalysis; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
| | - Zinaida P. Pai
- Department of Fine Organic Synthesis and Renewable Energy Sources; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
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Weinstock IA, Schreiber RE, Neumann R. Dioxygen in Polyoxometalate Mediated Reactions. Chem Rev 2017; 118:2680-2717. [DOI: 10.1021/acs.chemrev.7b00444] [Citation(s) in RCA: 196] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ira A. Weinstock
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Roy E. Schreiber
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Ronny Neumann
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
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Rezvanian A, Heravi MM, Shaabani Z, Tajbakhsh M. Five-component synthesis of dihydropyridines based on diketene. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.02.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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9
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Odyakov VF, Zhizhina EG, Rodikova YA, Gogin LL. Mo-V-Phosphoric Heteropoly Acids and Their Salts: Aqueous Solution Preparation - Challenges and Perspectives. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500359] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Vanadium-Substituted Wells-Dawson Heteropolyacid as Catalyst for Liquid Phase Oxidation of 1,4-Dihydropyridine Derivative. Catal Letters 2013. [DOI: 10.1007/s10562-013-1111-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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11
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Synthesis and characterization of Si-Zr-Mo nanocomposite as a rapid and efficient catalyst for aromatization of Hantzsch 1,4-dihydropyridines. CR CHIM 2013. [DOI: 10.1016/j.crci.2012.10.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Eftekhari-Sis B, Zirak M, Akbari A. Arylglyoxals in Synthesis of Heterocyclic Compounds. Chem Rev 2013; 113:2958-3043. [DOI: 10.1021/cr300176g] [Citation(s) in RCA: 228] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Bagher Eftekhari-Sis
- Department of Chemistry, Faculty
of Science, University of Maragheh, Golshahr,
P.O. Box. 55181-83111, Maragheh, Iran
| | - Maryam Zirak
- Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran,
Iran
| | - Ali Akbari
- Department of Chemistry, Faculty
of Science, University of Maragheh, Golshahr,
P.O. Box. 55181-83111, Maragheh, Iran
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Comins DL, Higuchi K, Young DW. Dihydropyridine Preparation and Application in the Synthesis of Pyridine Derivatives. ADVANCES IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1016/b978-0-12-408100-0.00006-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Kumar P, Kumar A, Hussain K. Iodobenzene diacetate (IBD) catalyzed an quick oxidative aromatization of Hantzsch-1,4-dihydropyridines to pyridines under ultrasonic irradiation. ULTRASONICS SONOCHEMISTRY 2012; 19:729-735. [PMID: 22296993 DOI: 10.1016/j.ultsonch.2011.12.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2011] [Revised: 12/15/2011] [Accepted: 12/26/2011] [Indexed: 05/31/2023]
Abstract
This project was undertaken to demonstrate the potential of iodobenzene diacetate for the oxidative aromatization of Hantzch-1,4-dihydropyridines under ultrasonic irradiation. All reactions were carried out under ultrasonic irradiation and results were compared with traditional method. Sonochemical switching was observed in case of oxidative aromatization of 4-n-alkyl substituted 1,4-DHP. Without sonication, dealkylation occurred in case of n-alkyl substituted 1,4-DHP (ionic mechanism) but under ultrasonic irradiation, n-alkyl group was not expelled (radical mechanism). However, secondary alkyl (isopropyl) and benzyl group were expelled under both conditions.
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Affiliation(s)
- Parvin Kumar
- Department of Chemistry, Kururkshetra University, Kurukshetra, Haryana 136119, India.
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Mirza-Aghayan M, Boukherroub R, Nemati M, Rahimifard M. Graphite oxide mediated oxidative aromatization of 1,4-dihydropyridines into pyridine derivatives. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.03.026] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Bamoharram FF, Ahmadpour A, Heravi MM, Ayati A, Rashidi H, Tanhaei B. Recent Advances in Application of Polyoxometalates for the Synthesis of Nanoparticles. ACTA ACUST UNITED AC 2012. [DOI: 10.1080/15533174.2011.609849] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Fatemeh F. Bamoharram
- a Department of Chemistry, Mashhad Branch , Islamic Azad University , Mashhad , I. R. Iran
| | - Ali Ahmadpour
- b Department of Chemical Engineering , Ferdowsi University of Mashhad , Mashhad , I. R. Iran
| | - Majid M. Heravi
- c Department of Chemistry, School of Sciences , Alzahra University , Tehran , I. R. Iran
| | - Ali Ayati
- b Department of Chemical Engineering , Ferdowsi University of Mashhad , Mashhad , I. R. Iran
| | - Hamed Rashidi
- b Department of Chemical Engineering , Ferdowsi University of Mashhad , Mashhad , I. R. Iran
| | - Bahareh Tanhaei
- b Department of Chemical Engineering , Ferdowsi University of Mashhad , Mashhad , I. R. Iran
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Baruah B, Seetham Naidu P, Borah P, Bhuyan PJ. Synthesis of 5-alkylated barbituric acids and 3-alkylated indoles via microwave-assisted three-component reactions in solvent-free conditions using Hantzsch 1,4-dihydropyridines as reducing agents. Mol Divers 2012; 16:291-8. [DOI: 10.1007/s11030-012-9359-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2011] [Accepted: 01/09/2012] [Indexed: 11/30/2022]
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18
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Bamoharram FF. Role of Polyoxometalates as Green Compounds in Recent Developments of Nanoscience. ACTA ACUST UNITED AC 2011. [DOI: 10.1080/15533174.2011.591321] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Fatemeh F. Bamoharram
- a Department of Chemistry, Mashhad Branch , Islamic Azad University , Mashhad, I. R. Iran
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Kumar P, Kumar A. An Expeditious Oxidative Aromatization of Hantzsch 1,4-Dihydropyridines to Pyridines Using Cetyltrimethylammonium Peroxodisulfate: A Phase Transferring Oxidant. B KOREAN CHEM SOC 2010. [DOI: 10.5012/bkcs.2010.31.8.2299] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Heravi MM, Hosseini T, Derikvand F, Beheshtiha SYS, Bamoharram FF. H6P2W18O62·18H2O–Catalyzed, Three-Component, One-Pot Synthesis of Indeno[1,2-b]quinoline-7-one Derivatives. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903249580] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Ghorbani-Choghamarani A, Zeinivand J. Aromatization of Hantzsch 1,4-Dihydropyridines with Al(NO3)3·9H2O and/or Fe(NO3)3·9H2O in the Presence of Silica Sulfuric Acid Under Mild and Heterogeneous Conditions. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903262195] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Liao X, Lin W, Lu J, Wang C. Oxidative aromatization of Hantzsch 1,4-dihydropyridines by sodium chlorite. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.05.091] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Heravi MM, Ghods A, Bakhtiari K, Derikvand F. Zn[(L)proline]2: An Efficient Catalyst for the Synthesis of Biologically Active Pyrano[2,3-d]pyrimidine Derivatives. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903174390] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Liu D, Gui J, Wang C, Lu F, Yang Y, Sun Z. Oxidative Aromatization of Hantzsch 1,4-Dihydropyridines Catalyzed by Ferric Perchlorate in Ionic Liquids with Air. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903029925] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Dan Liu
- a College of Chemistry and Materials Science , Liaoning Shihua University , Fushun, Liaoning, China
| | - Jianzhou Gui
- a College of Chemistry and Materials Science , Liaoning Shihua University , Fushun, Liaoning, China
| | - Chan Wang
- a College of Chemistry and Materials Science , Liaoning Shihua University , Fushun, Liaoning, China
| | - Feng Lu
- a College of Chemistry and Materials Science , Liaoning Shihua University , Fushun, Liaoning, China
| | - Yulian Yang
- a College of Chemistry and Materials Science , Liaoning Shihua University , Fushun, Liaoning, China
| | - Zhaolin Sun
- a College of Chemistry and Materials Science , Liaoning Shihua University , Fushun, Liaoning, China
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Heravi MM, Derikvand F, Ranjbar L. Sulfamic Acid–Catalyzed, Three-Component, One-Pot Synthesis of [1,2,4]Triazolo/Benzimidazolo Quinazolinone Derivatives. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903009489] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Majid M. Heravi
- a Department of Chemistry , School of Science, Azzahra University , Vanak, Tehran, Iran
| | - Fatemeh Derikvand
- a Department of Chemistry , School of Science, Azzahra University , Vanak, Tehran, Iran
| | - Leila Ranjbar
- a Department of Chemistry , School of Science, Azzahra University , Vanak, Tehran, Iran
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Sadjadi S, Heravi MM, Poormohammad N, Oskooie HA, Beheshtiha YS, Bamoharram FF. Direct Oxidative Conversion of Benzoyl Chlorides to 2-Imidazoles Using Heteropolyacids. SYNTHETIC COMMUN 2009. [DOI: 10.1080/00397910902730978] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Samaheh Sadjadi
- a Department of Chemistry , School of Sciences, Azzahra University , Vanak, Tehran, Iran
| | - Majid M. Heravi
- a Department of Chemistry , School of Sciences, Azzahra University , Vanak, Tehran, Iran
| | - Nargess Poormohammad
- a Department of Chemistry , School of Sciences, Azzahra University , Vanak, Tehran, Iran
| | - Hossein A. Oskooie
- a Department of Chemistry , School of Sciences, Azzahra University , Vanak, Tehran, Iran
| | - Yahya. Sh. Beheshtiha
- a Department of Chemistry , School of Sciences, Azzahra University , Vanak, Tehran, Iran
| | - Fatemeh F. Bamoharram
- b Department of Chemistry , School of Sciences, Islamic Azad University, Mashhad Branch , Mashad, Iran
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Kormos CM, Hull RM, Leadbeater NE. Microwave Heating in Conjunction with UV Irradiation: a Tool for the Oxidation of 1,4-Dihydropyridines to Pyridines. Aust J Chem 2009. [DOI: 10.1071/ch08414] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Microwave heating is used for the preparation of 1,4-dihydropyridines and then, in conjunction with UV irradiation, is used for the efficient oxidation of the 1,4-dihydropyridines to pyridines. The oxidation reactions are performed in a sealed vessel using oxygen as the oxidant and an electrodeless discharge lamp as the irradiation source.
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Heravi MM, Ranjbar L, Derikvand F, Alimadadi B. Three-component one-pot synthesis of 4,6-diarylpyrimidin- 2(1H)-ones under solvent-free conditions in the presence of sulfamic acid as a green and reusable catalyst. Mol Divers 2008; 12:191-6. [PMID: 18830679 DOI: 10.1007/s11030-008-9089-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2008] [Accepted: 09/08/2008] [Indexed: 11/24/2022]
Affiliation(s)
- Majid M Heravi
- Department of Chemistry, School of Sciences, Azzahra University, Vanak, Tehran, Iran.
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