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Goggiamani A, Arcadi A, Ciogli A, De Angelis M, Dessalvi S, Fabrizi G, Iavarone F, Iazzetti A, Sferrazza A, Zoppoli R. Synthesis of 3-substituted 2,3-dihydropyrazino[1,2- a]indol-4(1 H)-ones by sequential reactions of 2-indolylmethyl acetates with α-amino acids †. RSC Adv 2023; 13:10090-10096. [PMID: 37006346 PMCID: PMC10053697 DOI: 10.1039/d3ra01335a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 03/23/2023] [Indexed: 03/31/2023] Open
Abstract
The synthesis of 2,3-dihydropyrazino[1,2-a]indol-4(1H)-ones from the sequential reaction of amino acid methyl esters with readily available indole-2-ylmethyl acetates is described. The reaction proceeds in situ under basic conditions of highly unstable and reactive 2-alkylideneindolenines followed by Michael-type addition of α-amino acid methyl esters/intramolecular cyclization. The synthesis of 2,3-dihydropyrazino[1,2-a]indol-4(1H)-ones through the in situ generation of 2-methide-2H-indole intermediate I starting from 2-indolylmethyl acetates under basic conditions/nucleophilic Michael addition/cyclization cascade reaction.![]()
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Affiliation(s)
- Antonella Goggiamani
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
| | - Antonio Arcadi
- Dipartimento di Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi di L'AquilaVia Vetoio67100 Coppito (AQ)Italy
| | - Alessia Ciogli
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
| | - Martina De Angelis
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
| | - Stefano Dessalvi
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
| | - Giancarlo Fabrizi
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
| | - Federica Iavarone
- Dipartimento di Scienze Biotecnologiche di base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro CuoreL.go Francesco Vito 100168 RomeItaly
- Policlinico Universitario ‘A. Gemelli’ Foundation-IRCCSRome00168Italy
| | - Antonia Iazzetti
- Dipartimento di Scienze Biotecnologiche di base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro CuoreL.go Francesco Vito 100168 RomeItaly
- Policlinico Universitario ‘A. Gemelli’ Foundation-IRCCSRome00168Italy
| | - Alessio Sferrazza
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
- Alessio Sferrazza is currently a research scientist in IRBM S.p.A., Medicinal Chemistry DepartmentPomeziaRomaItaly
| | - Roberta Zoppoli
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza, Università di RomaP.le A. Moro 500185 RomeItaly
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2
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Iazzetti A, Allevi D, Calcaterra A, Fabrizi G, Goggiamani A, Mazzoccanti G, Sferrazza A, Verdiglione R, Vergine V. Highly Efficient and Mild Gold (I) Catalyzed Synthesis of 3,8-Diarylidene-2,7-dioxaspiro[4.4]nonane-1,6-diones. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010300. [PMID: 36615493 PMCID: PMC9822471 DOI: 10.3390/molecules28010300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023]
Abstract
The gold-catalyzed cyclization of 2,2-bis(3-arylprop-2-yn1-yl)malonic acid has been proposed as an efficient approach to substituted 3,8-dibenzyl-2,7-dioxaspiro[4.4]nonane-1,6-diones. The reaction proceeds smoothly in mild reaction conditions to give the desired products in quantitative yields in the presence of variously substituted starting materials. In addition, the synthesis of γ-arylidene spirobislactone bearing different substituents on the two aromatic rings has been achieved. This kind of compound could be of great interest in pharmaceutical science given the widespread presence of this scaffold in bioactive natural and synthetic products.
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Affiliation(s)
- Antonia Iazzetti
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Campus di Roma, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Dario Allevi
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Campus di Roma, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Andrea Calcaterra
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
- Correspondence:
| | - Giancarlo Fabrizi
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Antonella Goggiamani
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Giulia Mazzoccanti
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Alessio Sferrazza
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Rosanna Verdiglione
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Valeria Vergine
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
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Praveen C, Dupeux A, Michelet V. Catalytic Gold Chemistry: From Simple Salts to Complexes for Regioselective C-H Bond Functionalization. Chemistry 2021; 27:10495-10532. [PMID: 33904614 DOI: 10.1002/chem.202100785] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Indexed: 11/07/2022]
Abstract
Gold coordinated to neutral phosphines (R3 P), N-heterocyclic carbenes (NHCs) or anionic ligands is catalytically active in functionalizing various C-H bonds with high selectivity. The sterics/electronic nature of the studied C-H bond, oxidation state of gold and stereoelectronic capacity of the coordinated auxiliary ligand are some of the associated selectivity factors in gold-catalyzed C-H bond functionalization reactions. Hence, in this review a comprehensive update about the action of different types of gold catalysts, from simple to sophisticated ones, on C-H bond reactions and their regiochemical outcome is disclosed. This review also highlights the catalytic applications of Au(I)- and Au(III)-species in creating new opportunities for the regio- and site-selective activation of challenging C-H bonds. Finally, it also intends to stress the potential applications in selective C-H bond activation associated with a variety of heterocycles recently described in the literature.
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Affiliation(s)
- Chandrasekar Praveen
- Electrochemical Power Sources Division, Central Electrochemcial Research Institute (CSIR Laboratory) Alagappapuram, Karaikudi, 630003, Sivagangai District, Tamil Nadu, India
| | - Aurélien Dupeux
- Institut de Chimie de Nice, UMR 7272 CNRS, University Côte d'Azur Valrose Park, Faculty of Sciences, 06108, Nice Cedex 2, France
| | - Véronique Michelet
- Institut de Chimie de Nice, UMR 7272 CNRS, University Côte d'Azur Valrose Park, Faculty of Sciences, 06108, Nice Cedex 2, France
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4
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Synthesis of 4-Substituted-1,2-Dihydroquinolines by Means of Gold-Catalyzed Intramolecular Hydroarylation Reaction of N-Ethoxycarbonyl- N-Propargylanilines. Molecules 2021; 26:molecules26113366. [PMID: 34199620 PMCID: PMC8199670 DOI: 10.3390/molecules26113366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 11/23/2022] Open
Abstract
An alternative Au(I)-catalyzed synthetic route to functionalized 1,2-dihydroquinolines is reported. This novel approach is based on the use of N-ethoxycarbonyl protected-N-propargylanilines as building blocks that rapidly undergo the IMHA reaction affording the 6-endo cyclization product in good to high yields. In the presence of N-ethoxycarbonyl-N-propargyl-meta-substituted anilines, the regiodivergent cyclization at the ortho-/para-position is achieved by the means of catalyst fine tuning.
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Velasco N, Suárez A, Martínez-Lara F, Fernández-Rodríguez MÁ, Sanz R, Suárez-Pantiga S. From Propargylic Alcohols to Substituted Thiochromenes: gem-Disubstituent Effect in Intramolecular Alkyne Iodo/hydroarylation. J Org Chem 2021; 86:7078-7091. [PMID: 33928778 PMCID: PMC8474117 DOI: 10.1021/acs.joc.1c00333] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This work describes the 6-endo-dig cyclization of S-aryl propargyl sulfides to afford 2H-thiochromenes. The substitution at the propargylic position plays a crucial role in allowing intramolecular silver-catalyzed alkyne hydroarylation and N-iodosuccinimide-promoted iodoarylation. Additionally, a PTSA-catalyzed thiolation reaction of propargylic alcohols was developed to synthesize the required tertiary S-aryl propargyl ethers. The applicability of merging these two methods is demonstrated by synthesizing the retinoic acid receptor antagonist AGN194310.
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Affiliation(s)
- Noelia Velasco
- Área de Química Orgánica, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Anisley Suárez
- Área de Química Orgánica, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Fernando Martínez-Lara
- Área de Química Orgánica, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Manuel Ángel Fernández-Rodríguez
- Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Universidad de Alcalá (IRYCIS), 28805 Alcalá de Henares, Madrid, Spain
| | - Roberto Sanz
- Área de Química Orgánica, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Samuel Suárez-Pantiga
- Área de Química Orgánica, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
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6
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Arcadi A, Fabrizi G, Fochetti A, Franzini R, Ghirga F, Goggiamani A, Iazzetti A, Marrone F, Serraiocco A. Synthesis of Polycyclic Chromene Cores through Gold (I)‐Catalyzed Intramolecular Hydroarylation Reaction (IMHA). European J Org Chem 2021. [DOI: 10.1002/ejoc.202100092] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Antonio Arcadi
- Università degli Studi di L'Aquila Dipartimento di Scienze Fisiche e Chimiche Via Vetoio 67100 Coppito AQ Italy
| | - Giancarlo Fabrizi
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
| | - Andrea Fochetti
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
| | - Roberta Franzini
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
| | - Francesca Ghirga
- Center for Life Nano Science@Sapienza Istituto Italiano di Tecnologia Viale Regina Elena 291 00161 Rome Italy
| | - Antonella Goggiamani
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
| | - Antonia Iazzetti
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
| | - Federico Marrone
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
| | - Andrea Serraiocco
- Dipartimento di Chimica e Tecnologie del Farmaco Sapienza Università di Roma P.le A. Moro 5 00185 Rome Italy
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