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Saha J, Banerjee S, Malo S, Das AK, Das I. A Torquoselective Thermal 6π-Electrocyclization Approach to 1,4-Cyclohexadienes via Solvent-Aided Proton Transfer: Experimental and Theoretical Studies. Chemistry 2024; 30:e202304009. [PMID: 38179806 DOI: 10.1002/chem.202304009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/26/2023] [Accepted: 01/05/2024] [Indexed: 01/06/2024]
Abstract
The thermal 6π-electrocyclization of hexatriene typically delivers 1,3-cyclohexadiene (1,3-CHD). However, there is only limited success in directly synthesizing 1,4-cyclohexadiene (1,4-CHD) using such an approach, probably due to the difficulty in realizing thermally-forbidden 1,3-hydride shift after electrocyclic ring closure. The present study shows that by heating (2E,4E,6E)-hexatrienes bearing ester or ketone substituents at the C1-position in a mixture of toluene/MeOH or EtOH (2 : 1) solvents at 90-100 °C, 1,4-CHDs can be selectively synthesized. This is achieved through a torquoselective disrotatory 6π-electrocyclic ring closure followed by a proton-transfer process. The success of this method depends on the polar protic solvent-assisted intramolecular proton transfer from 1,3-CHD to 1,4-CHD, which has been confirmed by deuterium-labeling experiments. There are no reports to date for such a solvent-assisted isomerization. Density functional theory (DFT) studies have suggested that forming 1,3-CHD and subsequent isomerization is a thermodynamically feasible process, regardless of the functional groups involved. Two possible successive polar solvent-assisted proton-transfer pathways have been identified for isomerization.
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Affiliation(s)
- Jayanta Saha
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical BiologyJadavpur, Kolkata, 700032, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Soumadip Banerjee
- School of Mathematical and Computational Sciences, Indian Association for the Cultivation of Science Jadavpur, Kolkata, 700032, India
| | - Sidhartha Malo
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical BiologyJadavpur, Kolkata, 700032, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Abhijit Kumar Das
- School of Mathematical and Computational Sciences, Indian Association for the Cultivation of Science Jadavpur, Kolkata, 700032, India
| | - Indrajit Das
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical BiologyJadavpur, Kolkata, 700032, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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2
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Pankin D, Khokhlova A, Kolesnikov I, Vasileva A, Pilip A, Egorova A, Erkhitueva E, Zigel V, Gureev M, Manshina A. Laser-induced twisting of phosphorus functionalized thiazolotriazole as a way of cholinesterase activity change. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:118979. [PMID: 33017791 DOI: 10.1016/j.saa.2020.118979] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/18/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
Herein, the synthesis, design, and the physicochemical characterization of phosphorus functionalized thiazolotriazole (PFT) compound are presented. The PFT tests on the biological activity revealed butyrylcholinesterase inhibition that was confirmed and explained with molecular docking studies. The pronounced reduction of optical density and biological activity was found as a result of irradiation of the PFT water solution with laser beam at wavelength 266 nm. The observed phenomenon was explained on the base of molecular dynamics, docking, and density functional theory modeling by the formation of PFT conformers via laser-induced phosphonate group twisting. The reorganization of the PFT geometry was found to be a reason of butyrylcholinesterase inhibition mechanism change and the site-specificity loss. These results demonstrate that PFT combines photoswitching and bioactive properties in one molecule that makes it promising as a molecular basis for the further design of bioactive substances with photosensitive properties based on the mechanism of the phosphonate group phototwisting.
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Affiliation(s)
- Dmitrii Pankin
- Center for Optical and Laser Materials Research, St. Petersburg State University, Uljanovskaya 5, 198504 St. Petersburg, Russia
| | - Anastasia Khokhlova
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504 St. Petersburg, Russia
| | - Ilya Kolesnikov
- Center for Optical and Laser Materials Research, St. Petersburg State University, Uljanovskaya 5, 198504 St. Petersburg, Russia
| | - Anna Vasileva
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504 St. Petersburg, Russia
| | - Anna Pilip
- St. Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences.18, Korpusnaya st., St. Petersburg, 197110, Russia
| | - Anastasia Egorova
- St. Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences.18, Korpusnaya st., St. Petersburg, 197110, Russia
| | - Elena Erkhitueva
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504 St. Petersburg, Russia
| | - Vladislav Zigel
- St. Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences.18, Korpusnaya st., St. Petersburg, 197110, Russia
| | - Maxim Gureev
- I.M. Sechenov First Moscow State Medical University, Trubetskaya st. 8/2, 119048 Moscow, Russian Federation
| | - Alina Manshina
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504 St. Petersburg, Russia.
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3
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Yan L, Ding W, Wang L, Dou Q, Luo Q. A new synthesis protocol for photochromic triarylethenes and their multifunctional derivatives. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1793206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Liying Yan
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Wei Ding
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Lijun Wang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Qingyu Dou
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Qianfu Luo
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
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4
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Zhang Y, He B, Xie Y, Wang Y, Wang Y, Shen Y, Huang Y. Enantioselective Isoprenylboration Reaction of Aldehydes Catalyzed by a Chiral Phosphoric Acid. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900203] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yu‐Long Zhang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Bo‐Jun He
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Yi‐Wen Xie
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Yu‐Hao Wang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Yi‐Long Wang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Yong‐Cun Shen
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
| | - Yi‐Yong Huang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life ScienceWuhan University of Technology Wuhan 430070 People's Republic of China
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Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction. NANOMATERIALS 2019; 9:nano9020249. [PMID: 30759838 PMCID: PMC6409583 DOI: 10.3390/nano9020249] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 01/27/2019] [Accepted: 02/04/2019] [Indexed: 11/27/2022]
Abstract
The combined benefits of moisture-stable phosphonic acids and mesoporous silica materials (SBA-15 and MCM-41) as large-surface-area solid supports offer new opportunities for several applications, such as catalysis or drug delivery. We present a comprehensive study of a straightforward synthesis method via direct immobilization of several phosphonic acids and phosphoric acid esters on various mesoporous silicas in a Dean–Stark apparatus with toluene as the solvent. Due to the utilization of azeotropic distillation, there was no need to dry phosphonic acids, phosphoric acid esters, solvents, or silicas prior to synthesis. In addition to modeling phosphonic acids, immobilization of the important biomolecule adenosine monophosphate (AMP) on the porous supports was also investigated. Due to the high surface area of the mesoporous silicas, a possible catalytic application based on immobilization of an organocatalyst for an asymmetric aldol reaction is discussed.
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Lvov AG, Milevsky NA, Yanina AM, Kachala VV, Shirinian VZ. Aerobic Dimerization of Ethyl 4-Thienyl-3-ketobutanoate toward a Modifiable Photochromic Diarylethene Precursor. Org Lett 2017; 19:4395-4398. [DOI: 10.1021/acs.orglett.7b02143] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Andrey G. Lvov
- N.
D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47, Leninsky prosp., 119991 Moscow, Russian Federation
| | - Nikita A. Milevsky
- Moscow Chemical Lyceum, 4, Tamozhenniy
Proezd, 111033 Moscow, Russian Federation
| | - Anna M. Yanina
- Mendeleev University of Chemical Technology of Russia, Miusskaya Sq., 9, Moscow, 125047, Russian Federation
| | - Vadim V. Kachala
- N.
D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47, Leninsky prosp., 119991 Moscow, Russian Federation
| | - Valerii Z. Shirinian
- N.
D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47, Leninsky prosp., 119991 Moscow, Russian Federation
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8
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Steenbock T, Escribano A, Heck J, Herrmann C. Photoswitching Behavior of a Cyclohexene-Bridged versus a Cyclopentene-Bridged Dithienylethene System. Chemphyschem 2015; 16:1491-501. [DOI: 10.1002/cphc.201402842] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 01/08/2015] [Indexed: 11/10/2022]
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Dragu EA, Ion AE, Shova S, Bala D, Mihailciuc C, Voicescu M, Ionescu S, Nica S. Visible-light triggered photoswitching systems based on fluorescent azulenyl-substituted dithienylcyclopentenes. RSC Adv 2015. [DOI: 10.1039/c5ra11974j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Novel azulenyl functionalized dithienylethenes were synthesized, and their photochromic reactivity, fluorescent and electrochemical properties were investigated.
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Affiliation(s)
- Eugenia Andreea Dragu
- Institute of Organic Chemistry “C. D. Nenitzescu” of The Romanian Academy
- Bucharest
- Romania
| | - Adrian E. Ion
- Inorganic Chemistry Laboratory
- Faculty of Chemistry
- University of Bucharest
- Bucharest
- Romania
| | - Sergiu Shova
- “Petru Poni” Institute of Macromolecular Chemistry of The Romanian Academy
- Iasi
- Romania
| | - Daniela Bala
- Physical Chemistry Department
- Faculty of Chemistry
- University of Bucharest
- Bucharest
- Romania
| | - Constantin Mihailciuc
- Physical Chemistry Department
- Faculty of Chemistry
- University of Bucharest
- Bucharest
- Romania
| | - Mariana Voicescu
- “Ilie Murgulescu” Institute of Physical Chemistry of The Romanian Academy
- Bucharest
- Romania
| | - Sorana Ionescu
- Physical Chemistry Department
- Faculty of Chemistry
- University of Bucharest
- Bucharest
- Romania
| | - Simona Nica
- Institute of Organic Chemistry “C. D. Nenitzescu” of The Romanian Academy
- Bucharest
- Romania
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Hilt G. 1,4-Cyclohexadienes-Easy Access to a Versatile Building Block via Transition-Metal-Catalysed Diels-Alder Reactions. CHEM REC 2014; 14:386-96. [DOI: 10.1002/tcr.201400001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Indexed: 12/29/2022]
Affiliation(s)
- Gerhard Hilt
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Straße D-35043 Marburg Germany
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