1
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Karmaker PG, Yang X. Recent Advancement on the Indirect or Combined Alternative Thiocyanate Sources for the Construction of S-CN Bonds. CHEM REC 2024; 24:e202300312. [PMID: 38085121 DOI: 10.1002/tcr.202300312] [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: 09/28/2023] [Revised: 11/22/2023] [Indexed: 03/10/2024]
Abstract
The process of thiocyanation is a notable chemical conversion owing to the extensive range of applications associated with thiocyanate compounds in the field of organic chemistry. In past centuries, the thiocyanation reaction incorporated metal thiocyanates or thiocyanate salts as sources of thiocyanate, which are environmentally detrimental and undesirable. In recent literature, there have been numerous instances where combined or indirect alternative sources of thiocyanate have been employed as agents for thiocyanation, showcasing their noteworthy applications. The present literature review focuses on elucidating the ramifications associated with the utilization of indirect or combined alternative sources of thiocyanate in various thiocyanation reactions.
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Affiliation(s)
- Pran Gopal Karmaker
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, 637000, China
| | - Xiupei Yang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, 637000, China
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2
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Vigier J, Gao M, Jubault P, Lebel H, Besset T. Divergent process for the catalytic decarboxylative thiocyanation and isothiocyanation of carboxylic acids promoted by visible light. Chem Commun (Camb) 2023; 60:196-199. [PMID: 38047933 DOI: 10.1039/d3cc04624a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
A divergent photoinduced selective synthesis of thiocyanate and isothiocyanate derivatives from readily available carboxylic acids was developed using N-thiocyanatosaccharin and a catalytic amount of base or acid. This molecular editing strategy allowed the functionalization of bioactive compounds. A mechanism for the transformation was proposed based on control experiments.
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Affiliation(s)
- Jordan Vigier
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France.
| | - Mélissa Gao
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France.
| | - Philippe Jubault
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France.
| | - Hélène Lebel
- Department of Chemistry and Center in Green Chemistry and Catalysis (CGCC), Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, QC, H3C 3J7, Canada.
| | - Tatiana Besset
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France.
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3
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Yan Q, Chen S, Fan J, Li Z. Recent advances in radical thiocyanation cyclization or spirocyclization reactions. Org Biomol Chem 2023; 21:9112-9122. [PMID: 37986647 DOI: 10.1039/d3ob01659e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Organic thiocyanates are valuable biological moities and drug-building blocks. They can also transform effectively into thioethers, thiols, alkynyl thioethers, and thiocarbamates in synthetic chemistry. With respect to the merits of thiocyanates, many chemists and our research team have developed diverse strategies to access SCN-revised heterocycles/spirocycles via an effective radical cyclization process. Hence, this review article first describes the importance/application of thiocyanates. Subsequently, it summarizes the reaction conditions, substrate scopes, and plausible mechanism, respectively, of the excellent work stated above.
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Affiliation(s)
- Qinqin Yan
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Shiliu Chen
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Jie Fan
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding, Hebei, 071002, P. R. China.
| | - Zejiang Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding, Hebei, 071002, P. R. China.
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4
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Hu X, Guo H, Jiang H, Zheng R, Zhou Y, Wang L. Visible-light-induced C(sp 3)-H thiocyanation of pyrazolin-5-ones: a practical synthesis of 4-thiocyanated 5-hydroxy-1 H-pyrazoles. Org Biomol Chem 2023; 21:2232-2235. [PMID: 36810647 DOI: 10.1039/d3ob00092c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
A direct, aerobic and visible light photocatalytic approach to synthesize 4-thiocyanated 5-hydroxy-1H-pyrazoles via cross-coupling of pyrazolin-5-ones with ammonium thiocyanate is described. Under redox-neutral and metal-free conditions, a series of 4-thiocyanated 5-hydroxy-1H-pyrazoles could be easily and efficiently obtained in good to high yields by using low-toxicity and inexpensive ammonium thiocyanate as the thiocyanate source.
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Affiliation(s)
- Xiurong Hu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, P. R. China.,School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang 318000, P. R. China.
| | - Haichang Guo
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang 318000, P. R. China.
| | - Huajiang Jiang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang 318000, P. R. China.
| | - Renhua Zheng
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang 318000, P. R. China.
| | - Yaqin Zhou
- Department of Chemistry, Taizhou Jiaxin Metering and Testing Co. Ltd., Taizhou, Zhejiang 317000, P. R. China.
| | - Lei Wang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang 318000, P. R. China. .,Department of Chemistry, Taizhou Jiaxin Metering and Testing Co. Ltd., Taizhou, Zhejiang 317000, P. R. China.
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5
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Doche F, Escudero J, Petit‐Cancelier F, Xiong H, Couve‐Bonnaire S, Audisio D, Poisson T, Besset T. Directed Palladium Catalyzed C-H (Ethoxycarbonyl)difluoromethylthiolation Reactions. Chemistry 2022; 28:e202202099. [PMID: 35904010 PMCID: PMC9826264 DOI: 10.1002/chem.202202099] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Indexed: 01/11/2023]
Abstract
The unprecedented Pd-catalyzed (ethoxycarbonyl)difluoromethylthiolation reaction of various unsaturated derivatives was studied. In the presence of the (ethoxycarbonyl)difluoromethylsulfenamide reagent I and under mild reaction conditions (60 °C), both 2-(hetero)aryl and 2-(α-aryl-vinyl)pyridine derivatives were smoothly functionalized with this methodology (37 examples, up to 87 % yield). Moreover, the synthetic interest of this fluorinated moiety was further showcased by its conversion into various original fluorinated residues. Finally, a plausible mechanism for this transformation was suggested.
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Affiliation(s)
- Floriane Doche
- Normandie Univ.INSA RouenUNIROUENCNRSCOBRA (UMR 6014)76000RouenFrance).
| | - Julien Escudero
- Normandie Univ.INSA RouenUNIROUENCNRSCOBRA (UMR 6014)76000RouenFrance).
| | | | - Heng‐Ying Xiong
- Normandie Univ.INSA RouenUNIROUENCNRSCOBRA (UMR 6014)76000RouenFrance).
| | | | - Davide Audisio
- CEADépartement Médicaments et Technologies pour la SantéSCBMUniversité Paris Saclay91191Gif-sur-YvetteFrance
| | - Thomas Poisson
- Normandie Univ.INSA RouenUNIROUENCNRSCOBRA (UMR 6014)76000RouenFrance).,Institut Universitaire de France1 rue Descartes75231ParisFrance
| | - Tatiana Besset
- Normandie Univ.INSA RouenUNIROUENCNRSCOBRA (UMR 6014)76000RouenFrance).
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6
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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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7
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Gao M, Vuagnat M, Jubault P, Besset T. N
‐Thiocyanato‐2,10‐camphorsultam Derivatives: Design and Applications of Original Electrophilic Thiocyanating Reagents. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mélissa Gao
- Normandie Univ INSA Rouen UNIROUEN CNRS COBRA (UMR 6014) 76000 Rouen France
| | - Martin Vuagnat
- Normandie Univ INSA Rouen UNIROUEN CNRS COBRA (UMR 6014) 76000 Rouen France
| | - Philippe Jubault
- Normandie Univ INSA Rouen UNIROUEN CNRS COBRA (UMR 6014) 76000 Rouen France
| | - Tatiana Besset
- Normandie Univ INSA Rouen UNIROUEN CNRS COBRA (UMR 6014) 76000 Rouen France
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8
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Gao Y, Fu Z, Wu D, Yin H, Chen F. Organocatalyzed Asymmetric Tandem Intramolecular oxa‐Michael Addition/Electrophilic Thiocyanation: Synthesis of Chiral
α‐
Thiocyanato Flavanones. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100649] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yong Gao
- School of Chemistry & Chemical Engineering Beijing Institute of Technology (Liangxiang Campus) No. 8 Liangxiang East Road Fangshan District Beijing 102488 P. R. China
| | - Zhenda Fu
- School of Chemistry & Chemical Engineering Beijing Institute of Technology (Liangxiang Campus) No. 8 Liangxiang East Road Fangshan District Beijing 102488 P. R. China
| | - Di Wu
- School of Chemistry & Chemical Engineering Beijing Institute of Technology (Liangxiang Campus) No. 8 Liangxiang East Road Fangshan District Beijing 102488 P. R. China
| | - Hongquan Yin
- School of Chemistry & Chemical Engineering Beijing Institute of Technology (Liangxiang Campus) No. 8 Liangxiang East Road Fangshan District Beijing 102488 P. R. China
| | - Fu‐Xue Chen
- School of Chemistry & Chemical Engineering Beijing Institute of Technology (Liangxiang Campus) No. 8 Liangxiang East Road Fangshan District Beijing 102488 P. R. China
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9
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Gao M, Vuagnat M, Chen MY, Pannecoucke X, Jubault P, Besset T. Design and Use of Electrophilic Thiocyanating and Selenocyanating Reagents: An Interesting Trend for the Construction of SCN- and SeCN-Containing Compounds. Chemistry 2021; 27:6145-6160. [PMID: 33283371 DOI: 10.1002/chem.202004974] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Indexed: 01/01/2023]
Abstract
Organothiocyanate and organoselenocyanate compounds are of paramount importance in organic chemistry as they are key intermediates to access sulfur- and selenium-containing compounds. Therefore, among the different synthetic pathways to get SCN- and SeCN-containing molecules, original methodologies using electrophilic reagents have recently been explored. This Minireview will showcase the recent advances that have been made. In particular, the design of several electrophilic sources and their applications for the thiocyanation and the selenocyanation of various classes of compounds will be highlighted and discussed.
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Affiliation(s)
- Mélissa Gao
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000, Rouen, France
| | - Martin Vuagnat
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000, Rouen, France
| | - Mu-Yi Chen
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000, Rouen, France
| | - Xavier Pannecoucke
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000, Rouen, France
| | - Philippe Jubault
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000, Rouen, France
| | - Tatiana Besset
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000, Rouen, France
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10
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Gao M, Chen M, Pannecoucke X, Jubault P, Besset T. Pd-Catalyzed Directed Thiocyanation Reaction by C-H Bond Activation. Chemistry 2020; 26:15497-15500. [PMID: 32833317 PMCID: PMC7756308 DOI: 10.1002/chem.202003521] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/18/2020] [Indexed: 12/20/2022]
Abstract
The Pd-catalyzed directed thiocyanation reaction of arenes and heteroarenes by C-H bond activation was achieved. In the presence of an electrophilic SCN source, this original methodology offered an efficient tool to access a panel of functionalized thiocyanated compounds (21 examples, up to 78 % yield). Post-functionalization reactions further demonstrated the synthetic utility of the approach by converting the SCN-containing molecules into value-added scaffolds.
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Affiliation(s)
- Mélissa Gao
- Normandie Univ, INSA RouenUNIROUEN, CNRS, COBRA (UMR 6014)76000RouenFrance
| | - Mu‐Yi Chen
- Normandie Univ, INSA RouenUNIROUEN, CNRS, COBRA (UMR 6014)76000RouenFrance
| | - Xavier Pannecoucke
- Normandie Univ, INSA RouenUNIROUEN, CNRS, COBRA (UMR 6014)76000RouenFrance
| | - Philippe Jubault
- Normandie Univ, INSA RouenUNIROUEN, CNRS, COBRA (UMR 6014)76000RouenFrance
| | - Tatiana Besset
- Normandie Univ, INSA RouenUNIROUEN, CNRS, COBRA (UMR 6014)76000RouenFrance
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