1
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Cui HL, Chen XH. Synthesis of Pyrrolo[2,1- a]isoquinolines through Cu-Catalyzed Condensation/Addition/Oxidation/Cyclization Cascade. J Org Chem 2022; 87:15435-15447. [PMID: 36315447 DOI: 10.1021/acs.joc.2c01978] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We have developed a copper-catalyzed synthesis of pyrrolo[2,1-a]isoquinolines with terminal alkynes, aldehydes, and tetrahydroisoquinolines. A variety of pyrrolo[2,1-a]isoquinolines have been prepared in 17-69% yield via a condensation/Mannich-type addition/oxidation/cyclization cascade sequence. Modifications through simple chemical transformations provided highly functionalized molecules containing a privileged framework.
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Affiliation(s)
- Hai-Lei Cui
- Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, 319 Honghe Avenue, Yongchuan, Chongqing 402160, P.R. China
| | - Xiao-Hui Chen
- Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, 319 Honghe Avenue, Yongchuan, Chongqing 402160, P.R. China
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2
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Babu SA, A R R, P R N, Omanakuttan VK, P R, Varughese S, John J. Unprecedented access to functionalized pyrrolo[2,1- a]isoquinolines from the domino reaction of isoquinolinium ylides and electrophilic benzannulated heterocycles. Org Biomol Chem 2021; 19:1807-1817. [PMID: 33565537 DOI: 10.1039/d1ob00005e] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have come across an unexpected reaction between electrophilic indoles and isoquinolinium methylides for accessing functionalized pyrrolo[2,1-a]isoquinolines. The reaction was found in general to yield the products in good yields. We also observed the formation of S-S-bridged bis-pyrrolo[2,1-a]isoquinolines from the reaction of 3-nitro benzothiophene and isoquinolinium methylides.
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Affiliation(s)
- Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Rajalekshmi A R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.
| | - Nitha P R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Vishnu K Omanakuttan
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Rahul P
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Sunil Varughese
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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3
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Ramu S, Baskar B. A simple and efficient metal free, additive, or base free dehydrogenation of tetrahydroisoquinolines using oxygen as a clean oxidant. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Metal free dehydrogenation of various substituted tetrahydroisoquinolines via a simple and convenient metal free, atom economical route for the synthesis of corresponding isoquinolines under oxygen atmosphere in N-methyl-2-pyrollidone (NMP) is described. Metal free dehydrogenation was carried out without the use of additive or base. A scope of the methodology was demonstrated for a number of aryl and heteroaryl substitutions present at C1 position and ester moiety at C3 position and was found to be good substrates. Substituted isoquinolines (3a–3h) and their esters (3i–3m) were synthesized in very good to excellent yields.
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Affiliation(s)
- Shanmugam Ramu
- Laboratory of Sustainable Chemistry, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chengalpet (Dt), Tamilnadu 603 203, India
- Laboratory of Sustainable Chemistry, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chengalpet (Dt), Tamilnadu 603 203, India
| | - Baburaj Baskar
- Laboratory of Sustainable Chemistry, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chengalpet (Dt), Tamilnadu 603 203, India
- Laboratory of Sustainable Chemistry, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chengalpet (Dt), Tamilnadu 603 203, India
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4
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Ma X, Meng S, Zhang X, Zhang Q, Yan S, Zhang Y, Zhang W. Synthesis of pyrrolidinedione-fused hexahydropyrrolo[2,1- a]isoquinolines via three-component [3 + 2] cycloaddition followed by one-pot N-allylation and intramolecular Heck reactions. Beilstein J Org Chem 2020; 16:1225-1233. [PMID: 32550934 PMCID: PMC7277624 DOI: 10.3762/bjoc.16.106] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 05/26/2020] [Indexed: 12/13/2022] Open
Abstract
Two kinds of [3 + 2] cycloaddition intermediates generated from the three-component reactions of 2-bromobenzaldehydes and maleimides with amino esters or amino acids were used for a one-pot N-allylation and intramolecular Heck reactions to form pyrrolidinedione-fused hexahydropyrrolo[2,1-a]isoquinolines. The multicomponent reaction was combined with one-pot reactions to make a synthetic method with good pot, atom and step economy. MeCN was used as a preferable green solvent for the reactions.
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Affiliation(s)
- Xiaoming Ma
- School of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou 213164, China
| | - Suzhi Meng
- School of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou 213164, China
| | - Xiaofeng Zhang
- Center for Green Chemistry and Department of Chemistry, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, MA 02125, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Department of Medicine, Harvard Medical School, Boston, MA 02215, USA
| | - Qiang Zhang
- School of Chemistry, Biology and Materials Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Shenghu Yan
- School of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou 213164, China
| | - Yue Zhang
- School of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou 213164, China
| | - Wei Zhang
- Center for Green Chemistry and Department of Chemistry, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, MA 02125, USA
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5
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Boudriga S, Haddad S, Askri M, Soldera A, Knorr M, Strohmann C, Golz C. Highly diastereoselective construction of novel dispiropyrrolo[2,1-a]isoquinoline derivativesviamulticomponent 1,3-dipolar cycloaddition of cyclic diketones-based tetrahydroisoquinoliniumN-ylides. RSC Adv 2019; 9:11082-11091. [PMID: 35558642 PMCID: PMC9092959 DOI: 10.1039/c8ra09884k] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 03/05/2019] [Indexed: 12/19/2022] Open
Abstract
In the quest for new heterocyclic scaffolds exhibiting potentially biological activities for medicinal chemistry, a multicomponent 1,3-dipolar cycloaddition reaction of tetrahydroisoquinolinium N-ylides, generated in situ from cyclic diketones and isoquinoline, and (E)-3-arylidene-1-phenyl-pyrrolidine-2,5-diones has been developed. This route provides workable access to dispiropyrrolo[2,1-a]isoquinoline-fused pyrrolidine-2,5-diones bearing two adjacent spiro-carbons. An unprecedented regioselectivity was observed in this 1,3-dipolar cycloaddition, leading to the construction of a novel dispirooxindole skeleton. The structure and relative stereochemistry of the spiranic adducts have been confirmed by three X-ray diffraction studies. To reinforce the observed regio- and stereoselectivity of the [3+2] cycloaddition, calculations using the DFT approach at the B3LYP/6-31G(d,p) level were carried out. It was found that this reaction affords the kinetic products. A new series of dispiropyrrolo[2,1-a]isoquinoline derivatives was synthesized by multicomponent 1,3-dipolar cycloaddition reaction of tetrahydroisoquinolinium N-ylides and (E)-3-arylidene-1-phenyl-pyrrolidine-2,5-diones.![]()
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Affiliation(s)
- Sarra Boudriga
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
- Department of Chemistry
- Faculty of Science of Monastir
- 5000 Monastir
- Tunisia
| | - Saoussen Haddad
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
- Department of Chemistry
- Faculty of Science of Monastir
- 5000 Monastir
- Tunisia
| | - Moheddine Askri
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
- Department of Chemistry
- Faculty of Science of Monastir
- 5000 Monastir
- Tunisia
| | - Armand Soldera
- Departement of Chemistry
- Quebec Center for Functional Materials University of Sherbrooke
- Sherbrooke
- Canada J1K 2R1
| | - Michael Knorr
- Institut UTINAM - UMR CNRS 6213
- Université Bourgogne Franche-Comté
- 25030 Besançon
- France
| | - Carsten Strohmann
- Technische Universität Dortmund, Anorganische Chemie
- 44221 Dortmund
- Germany
| | - Christopher Golz
- Technische Universität Dortmund, Anorganische Chemie
- 44221 Dortmund
- Germany
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6
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Zheng B, Trieu TH, Li FL, Zhu XL, He YG, Fan QQ, Shi XX. Copper-Catalyzed Benign and Efficient Oxidation of Tetrahydroisoquinolines and Dihydroisoquinolines Using Air as a Clean Oxidant. ACS OMEGA 2018; 3:8243-8252. [PMID: 31458961 PMCID: PMC6644811 DOI: 10.1021/acsomega.8b00855] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 06/06/2018] [Indexed: 06/10/2023]
Abstract
A green chemical method for mild oxidation of 1,2,3,4-tetrahydroisoquinolines (THIQs) and 3,4-dihydroisoquinolines (DHIQs) has been developed using air (O2) as a clean oxidant. DHIQs and THIQs could be efficiently oxidized to isoquinolines in dimethyl sulfoxide at 25 °C under an open air atmosphere with CuBr2 (20 mol %) as the catalyst; different bases [NaOEt and/or 1,8-diazabicyclo[5,4,0]undec-7-ene] were used for the reaction according to the patterns of substituents (R1, R2).
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Affiliation(s)
- Bo Zheng
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
| | - Tien Ha Trieu
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
| | - Feng-Lei Li
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
| | - Xing-Liang Zhu
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
| | - Yun-Gang He
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
| | - Qi-Qi Fan
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
| | - Xiao-Xin Shi
- Shanghai
Key Laboratory of Chemical Biology, School of Pharmacy, and Department of
Pharmaceutical Engineering, School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, P. R. China
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7
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Karami B, Farahi M, Akrami S, Elhamifar D. Tungstic acid-functionalized MCM-41 as a novel mesoporous solid acid catalyst for the one-pot synthesis of new pyrrolo[2,1-a]isoquinolines. NEW J CHEM 2018. [DOI: 10.1039/c8nj02699h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tungstic acid-functionalized MCM-41 (MCM-41–HWO4) was prepared, characterized and applied as a reusable mesoporous catalyst for the one-pot synthesis of new pyrrolo[2,1-a]isoquinoline derivatives.
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8
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Lenshmidt LV, Ledovskaya MS, Larina AG, Filatov AS, Molchanov AP, Kostikov RR, Stepakov AV. Synthesis of Isoxazolopyrrolo[2,1-a]isoquinoline, Isoxazolo[5′,4′: 1,2]indolizino[8,7-b]indole, and Isoxazolo-[5,4-a]thieno[2,3-g]indolizine Derivatives by Intramolecular Cyclization of Hydroxylactams Constituting a Fragment of the Pyrroloisoxazole System. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1070428018010116] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Leonardi M, Villacampa M, Menéndez JC. Mild and General Synthesis of Pyrrolo[2,1-a]isoquinolines and Related Polyheterocyclic Frameworks from Pyrrole Precursors Derived from a Mechanochemical Multicomponent Reaction. J Org Chem 2017; 82:2570-2578. [DOI: 10.1021/acs.joc.6b02995] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Marco Leonardi
- Departamento de Química
Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Mercedes Villacampa
- Departamento de Química
Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - J. Carlos Menéndez
- Departamento de Química
Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
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10
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Krishnan J, Vedhanarayanan B, Sasidhar B, Varughese S, Nair V. NHC-Mediated Synthesis of Pyrrolo[2,1-a]isoquinolines and Their Photophysical Investigations. Chem Asian J 2017; 12:623-627. [DOI: 10.1002/asia.201601683] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/26/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Jagadeesh Krishnan
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum- 695 019 India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695 019 India
| | - Balaraman Vedhanarayanan
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum- 695 019 India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695 019 India
| | - B.S. Sasidhar
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum- 695 019 India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695 019 India
| | - Sunil Varughese
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum- 695 019 India
| | - Vijay Nair
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum- 695 019 India
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11
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One-Pot Two-Step Synthesis of 1-(Ethoxycarbonyl)indolizines via Pyridinium Ylides. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300784] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Synthesis of pyrrolo[2,1-a]isoquinolines by multicomponent 1,3-dipolar cycloaddition. Molecules 2013; 18:2635-45. [PMID: 23446920 PMCID: PMC6270538 DOI: 10.3390/molecules18032635] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 02/18/2013] [Accepted: 02/18/2013] [Indexed: 11/17/2022] Open
Abstract
Pyrrolo[2,1-a]isoquinoline derivatives were synthesized by one-pot three-component reactions starting from isoquinoline, 2-bromoacetophenones and different non-symmetrical acetylenic dipolarophiles using 1,2-epoxypropane as solvent. The structure of the compounds was assigned by IR and NMR spectroscopy.
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