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Wang CS, Xu Y, Wang SP, Zheng CL, Wang G, Sun Q. Recent advances in selective mono-/dichalcogenation and exclusive dichalcogenation of C(sp 2)-H and C(sp 3)-H bonds. Org Biomol Chem 2024; 22:645-681. [PMID: 38180073 DOI: 10.1039/d3ob01847d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Organochalcogen compounds are prevalent in numerous natural products, pharmaceuticals, agrochemicals, polymers, biological molecules and synthetic intermediates. Direct chalcogenation of C-H bonds has evolved as a step- and atom-economical method for the synthesis of chalcogen-bearing compounds. Nevertheless, direct C-H chalcogenation severely lags behind C-C, C-N and C-O bond formations. Moreover, compared with the C-H monochalcogenation, reports of selective mono-/dichalcogenation and exclusive dichalcogenation of C-H bonds are relatively scarce. The past decade has witnessed significant advancements in selective mono-/dichalcogenation and exclusive dichalcogenation of various C(sp2)-H and C(sp3)-H bonds via transition-metal-catalyzed/mediated, photocatalytic, electrochemical or metal-free approaches. In light of the significance of both mono- and dichalcogen-containing compounds in various fields of chemical science and the critical issue of chemoselectivity in organic synthesis, the present review systematically summarizes the advances in these research fields, with a special focus on elucidating scopes and mechanistic aspects. Moreover, the synthetic limitations, applications of some of these processes, the current challenges and our own perspectives on these highly active research fields are also discussed. Based on the substrate types and C-H bonds being chalcogenated, the present review is organized into four sections: (1) transition-metal-catalyzed/mediated chelation-assisted selective C-H mono-/dichalcogenation or exclusive dichalcogenation of (hetero)arenes; (2) directing group-free selective C-H mono-/dichalcogenation or exclusive dichalcogenation of electron-rich (hetero)arenes; (3) C(sp3)-H dichalcogenation; (4) dichalcogenation of both C(sp2)-H and C(sp3)-H bonds. We believe the present review will serve as an invaluable resource for future innovations and drug discovery.
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Affiliation(s)
- Chang-Sheng Wang
- School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, PR China.
| | - Yuan Xu
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637371, Singapore.
| | - Shao-Peng Wang
- School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, PR China.
| | - Chun-Ling Zheng
- School of Food Science and Light Industry, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, PR China.
| | - Guowei Wang
- School of Food Science and Light Industry, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, PR China.
| | - Qiao Sun
- School of Food Science and Light Industry, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, PR China.
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Makhlouf J, Bakri YE, Saravanan K, Valkonen A, Smirani W. Self-assembly, physico-chemical characterization, biological and computational approach of novel 2-Amino pyridine derivatives. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Mulina OM, Bityukov OV, Vil’ VA, Terent’ev AO. Photo- and Electrochemically Initiated Thiocyanation Reactions. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022120028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Bityukov OV, Kirillov AS, Serdyuchenko PY, Kuznetsova MA, Demidova VN, Vil' VA, Terent'ev AO. Electrochemical thiocyanation of barbituric acids. Org Biomol Chem 2022; 20:3629-3636. [PMID: 35420113 DOI: 10.1039/d2ob00343k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The electrochemical thiocyanation of barbituric acids with NH4SCN was disclosed in an undivided cell under constant current conditions. The electrosynthesis is the most efficient at a record high current density (janode ≈50-70 mA cm-2). NH4SCN has a dual role as the source of the SCN group and as the electrolyte. Electrochemical thiocyanation of barbituric acids starts with the generation of (SCN)2 from the thiocyanate anion. The addition of thiocyanogen to the double bond of the enol tautomer of barbituric acid gives thiocyanated barbituric acid. A variety of thiocyanated barbituric acids bearing different functional groups were obtained in 18-95% yields and were shown to exhibit promising antifungal activity.
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Affiliation(s)
- Oleg V Bityukov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation.
| | - Andrey S Kirillov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation.
| | - Pavel Yu Serdyuchenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation. .,D. I. Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, Moscow 125047, Russian Federation
| | - Maria A Kuznetsova
- All-Russian Research Institute for Phytopathology, B. Vyazyomy, 143050, Moscow Region, Russian Federation
| | - Valentina N Demidova
- All-Russian Research Institute for Phytopathology, B. Vyazyomy, 143050, Moscow Region, Russian Federation
| | - Vera A Vil'
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation.
| | - Alexander O Terent'ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation.
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Karmaker PG, Alam MA, Huo F. Recent advances in photochemical and electrochemically induced thiocyanation: a greener approach for SCN-containing compound formation. RSC Adv 2022; 12:6214-6233. [PMID: 35424569 PMCID: PMC8981651 DOI: 10.1039/d1ra09060g] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/10/2022] [Indexed: 12/28/2022] Open
Abstract
Techniques utilizing photo- and electrochemically induced reactions have been developed to accelerate organic processes. These techniques use light or electrical energy (electron transfer) as a direct energy source without using an initiator or reagent. Thiocyanates are found in biologically active and pharmacological compounds and can be converted into various functional groups. It is one of the most prominent organic scaffolds. Significant development in photo- and electro-chemically induced thiocyanation procedures has been made in recent years for the conception of carbon-sulfur bonds and synthesis of pharmaceutically important molecules. This review discusses different photo- and electro-chemically driven thiocyanation C(sp3)-SCN, C(sp2)-SCN, and C(sp)-SCN bond conception processes that may be useful to green organothiocyanate synthesis. We focus on the synthetic and mechanistic characteristics of organic photo- and electrochemically accelerated C-SCN bond formation thiocyanation reactions to highlight major advances in this novel green and sustainable research field.
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Affiliation(s)
- Pran Gopal Karmaker
- School of Chemistry and Chemical Engineering, Analytical Testing Center, Institute of Micro & Nano Intelligent Sensing, Neijiang Normal University Neijiang 641100 P. R. China
| | - Md Asraful Alam
- School of Chemical Engineering, Zhengzhou University Zhengzhou 450001 Henan China
| | - Feng Huo
- School of Chemistry and Chemical Engineering, Analytical Testing Center, Institute of Micro & Nano Intelligent Sensing, Neijiang Normal University Neijiang 641100 P. R. China
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Electrooxidative N–N Cross Coupling: A Way to New Azopyrazoles. Chem Heterocycl Compd (N Y) 2022. [DOI: 10.1007/s10593-022-03049-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Khodonov VM, Kudinova AS, Kokorekin VA, Petrosyan VA, Egorov MP. Effective metal-free electrooxidative thiocyanation of anilines. MENDELEEV COMMUNICATIONS 2022. [DOI: 10.1016/j.mencom.2022.01.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lyalin BV, Sigacheva VL, Kudinova AS, Neverov SV, Kokorekin VA, Petrosyan VA. Electrooxidation Is a Promising Approach to Functionalization of Pyrazole-Type Compounds. Molecules 2021; 26:4749. [PMID: 34443338 PMCID: PMC8400477 DOI: 10.3390/molecules26164749] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 01/15/2023] Open
Abstract
The review summarizes for the first time the poorly studied electrooxidative functionalization of pyrazole derivatives leading to the C-Cl, C-Br, C-I, C-S and N-N coupling products with applied properties. The introduction discusses some aspects of aromatic hydrogen substitution. Further, we mainly consider our works on effective synthesis of the corresponding halogeno, thiocyanato and azo compounds using cheap, affordable and environmentally promising electric currents.
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Affiliation(s)
- Boris V. Lyalin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russia; (B.V.L.); (V.L.S.); (A.S.K.); (S.V.N.); (V.A.P.)
| | - Vera L. Sigacheva
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russia; (B.V.L.); (V.L.S.); (A.S.K.); (S.V.N.); (V.A.P.)
| | - Anastasia S. Kudinova
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russia; (B.V.L.); (V.L.S.); (A.S.K.); (S.V.N.); (V.A.P.)
- Institute of Pharmacy, Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya Str. 8, Bldg. 2, 119991 Moscow, Russia
| | - Sergey V. Neverov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russia; (B.V.L.); (V.L.S.); (A.S.K.); (S.V.N.); (V.A.P.)
| | - Vladimir A. Kokorekin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russia; (B.V.L.); (V.L.S.); (A.S.K.); (S.V.N.); (V.A.P.)
- Institute of Pharmacy, Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya Str. 8, Bldg. 2, 119991 Moscow, Russia
- All-Russian Research Institute of Phytopathology, Institute Str. 5, 143050 Bol’shiye Vyazemy, Russia
| | - Vladimir A. Petrosyan
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russia; (B.V.L.); (V.L.S.); (A.S.K.); (S.V.N.); (V.A.P.)
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NaSCN–(NH4)2Ce(NO3)6 system in heterocycle thiocyanation: synthesis of novel highly potent broad-spectrum fungicides for crop protection. Chem Heterocycl Compd (N Y) 2021. [DOI: 10.1007/s10593-021-02938-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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10
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“Metal-free” synthesis and antifungal activity of 3-thiocyanatopyrazolo[1,5-a]pyrimidines. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3131-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Hunjan MK, Panday S, Gupta A, Bhaumik J, Das P, Laha JK. Recent Advances in Functionalization of Pyrroles and their Translational Potential. CHEM REC 2021; 21:715-780. [PMID: 33650751 DOI: 10.1002/tcr.202100010] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 12/25/2022]
Abstract
Among the known aromatic nitrogen heterocycles, pyrrole represents a privileged aromatic heterocycle ranging its occurrence in the key component of "pigments of life" to biologically active natural products to active pharmaceuticals. Pyrrole being an electron-rich heteroaromatic compound, its predominant functionalization is legendary to aromatic electrophilic substitution reactions. Although a few excellent reviews on the functionalization of pyrroles including the reports by Baltazzi in 1963, Casiraghi and Rassu in 1995, and Banwell in 2006 are available, they are fragmentary and over fifteen years old, and do not cover the modern aspects of catalysis. A review covering a comprehensive package of direct functionalization on pyrroles via catalytic and non-catalytic methods including their translational potential is described. Subsequent to statutory yet concise introduction, the classical functionalization on pyrroles using Lewis acids largely following an ionic mechanism is discussed. The subsequent discussion follows the various metal-catalyzed C-H functionalization on pyrroles, which are otherwise difficult to implement by Lewis acids. A major emphasize is given on the radical based pyrrole functionalization under metal-free oxidative conditions, which is otherwise poorly highlighted in the literature. Towards the end, the current development of pyrrole functionalization under photocatalyzed and electrochemical conditions is appended. Only a selected examples of substrates and important mechanisms are discussed for different methods highlighting their scopes and limitations. The aromatic nucleophillic substitution on pyrroles (being an electron-rich heterocycle) happened to be the subject of recent investigations, which has also been covered accentuating their underlying conceptual development. Despite great achievements over the past several years in these areas, many challenges and problems are yet to be solved, which are all discussed in summary and outlook.
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Affiliation(s)
- Mandeep Kaur Hunjan
- Department of Pharmaceutial Technology (Process Chemistry), National Institute of Pharmaceutical Education & Research (NIPER) S.A.S. Nagar, Mohali, 160062, India
| | - Surabhi Panday
- Department of Pharmaceutial Technology (Process Chemistry), National Institute of Pharmaceutical Education & Research (NIPER) S.A.S. Nagar, Mohali, 160062, India
| | - Anjali Gupta
- Department of Pharmaceutial Technology (Process Chemistry), National Institute of Pharmaceutical Education & Research (NIPER) S.A.S. Nagar, Mohali, 160062, India
| | - Jayeeta Bhaumik
- Center of Innovative and Applied Bioprocessing (CIAB), Department of Biotechnology (DBT), Government of India, Sector 81 (Knowledge City), S.A.S., Nagar, 140306, Punjab, India
| | - Parthasarathi Das
- Department of Chemistry, Indian Institute of Technology (Indian School of Mines) Dhanbad, Dhanbad, 826004, India
| | - Joydev K Laha
- Department of Pharmaceutial Technology (Process Chemistry), National Institute of Pharmaceutical Education & Research (NIPER) S.A.S. Nagar, Mohali, 160062, India
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Kokorekin VA, Neverov SV, Kuzina VN, Petrosyan VA. A New Method for the Synthesis of 3-Thiocyanatopyrazolo[1,5- a]pyrimidines. Molecules 2020; 25:E4169. [PMID: 32933044 PMCID: PMC7570695 DOI: 10.3390/molecules25184169] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 11/20/2022] Open
Abstract
In this article, we demonstrate how an original effective "metal-free" and "chromatography-free" route for the synthesis of 3-thiocyanatopyrazolo[1,5-a]pyrimidines has been developed. It is based on electrooxidative (anodic) C-H thiocyanation of 5-aminopyrazoles by thiocyanate ion leading to 4-thiocyanato-5-aminopyrazoles (stage 1, yields up to 87%) following by their chemical condensation with 1,3-dicarbonyl compounds or their derivatives (stage 2, yields up to 96%). This method is equally effective for the synthesis of 3-thiocyanatopyrazolo[1,5-a]pyrimidines, both without substituents and with various donor (acceptor) substituents in the pyrimidine ring.
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Affiliation(s)
- Vladimir A. Kokorekin
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prosp. 47, 119991 Moscow, Russia; (V.A.K.); (S.V.N.)
- Institute of Pharmacy, Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya str. 8, bldg. 2, 119991 Moscow, Russia;
- All-Russian Research Institute of Phytopathology, Institute str. 5, Bol’shiye Vyazemy, 143050 Moscow, Russia
| | - Sergey V. Neverov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prosp. 47, 119991 Moscow, Russia; (V.A.K.); (S.V.N.)
| | - Vera N. Kuzina
- Institute of Pharmacy, Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya str. 8, bldg. 2, 119991 Moscow, Russia;
| | - Vladimir A. Petrosyan
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prosp. 47, 119991 Moscow, Russia; (V.A.K.); (S.V.N.)
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Kokorekin VA, Melnikova EI, Yaubasarova RR, Petrosyan VA. Electrooxidative C–H thiocyanation of hetarenes: voltammetric assessment of thiocyanogen reactivity. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.01.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kokorekin VA, Mel’nikova EI, Yaubasarova RR, Gorpinchenko NV, Petrosyan VA. “Metal-free” electrooxidative C—H thiocyanation of arenes. Russ Chem Bull 2019. [DOI: 10.1007/s11172-019-2681-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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