1
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Hua R, Wang Q, Yin H, Chen FX. Organophotocatalytic Remote Thiocyanation Reaction via Ring-Opening Functionalization of Cycloalkanols. Chemistry 2024; 30:e202400453. [PMID: 38634800 DOI: 10.1002/chem.202400453] [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: 01/31/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/19/2024]
Abstract
The remote C(sp3)-SCN bond formation via ring-opening functionalization of cycloalkanols with N-thiocyanatosaccharin as the precursor of SCN radicals and pyrylium salt as the organic photocatalyst under visible light has been developed. Thus, various terminal keto thiocyanates were prepared without transition metals and oxidants in moderate to good yields. The simplicity, wide substrate scope and mild conditions feature its synthetic application capability.
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Affiliation(s)
- Ruirui Hua
- School of Chemistry & Chemical Engineering, Beijing Institute of Technology (Liangxiang Campus), No. 8 Liangxiang East Road, Fangshan District, Beijing, 102488, China
| | - Qing Wang
- School of Chemistry & Chemical Engineering, Beijing Institute of Technology (Liangxiang Campus), No. 8 Liangxiang East Road, Fangshan District, Beijing, 102488, China
| | - Hongquan Yin
- School of Chemistry & Chemical Engineering, Beijing Institute of Technology (Liangxiang Campus), No. 8 Liangxiang East Road, Fangshan District, Beijing, 102488, China
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Beijing Institute of Technology, No. 8 Liangxiang East Road, Fangshan District, Beijing, 102488, China
| | - Fu-Xue Chen
- School of Chemistry & Chemical Engineering, Beijing Institute of Technology (Liangxiang Campus), No. 8 Liangxiang East Road, Fangshan District, Beijing, 102488, China
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Beijing Institute of Technology, No. 8 Liangxiang East Road, Fangshan District, Beijing, 102488, China
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2
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Tan Y, Ni P, Jiang WJ, Fu Y, Ding Q. Direct Transamidation of Thioamides with Amines via Acetophenone-Promoted Enamine Catalysis under Metal-Free Conditions. J Org Chem 2024; 89:2939-2950. [PMID: 38381084 DOI: 10.1021/acs.joc.3c02352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Herein, we developed a highly selective, efficient, and simple method for direct transamidation of thioamides with amines, promoted by commercially available acetophenone under metal-/solvent-free conditions. The reaction tolerated a wide range of functional groups and substrates, including single- or double-thioamides, benzylamines, or alkyl/cycloalkyl-substituted aliphatic amines. The present protocol can be applied to gram-scale in good yields. In addition, the Pt-/Ni-complexes of double-transamidation products were obtained in good to excellent yields. The investigation of photophysical properties indicated that the fluorescence spectra of Pt-complexes showed an emission band centered at 550-750 nm and exhibited red fluorescence when irradiated by a UV lamp (365 nm).
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Affiliation(s)
- Yuxing Tan
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Key Laboratory for Green Chemistry of Jiangxi Province, Jiangxi Normal University, Nanchang 330022 Jiangxi, China
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, Hunan, PR China
| | - Penghui Ni
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, Hunan, PR China
| | - Wu-Jiu Jiang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Key Laboratory for Green Chemistry of Jiangxi Province, Jiangxi Normal University, Nanchang 330022 Jiangxi, China
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, Hunan, PR China
| | - Yang Fu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Key Laboratory for Green Chemistry of Jiangxi Province, Jiangxi Normal University, Nanchang 330022 Jiangxi, China
| | - Qiuping Ding
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Key Laboratory for Green Chemistry of Jiangxi Province, Jiangxi Normal University, Nanchang 330022 Jiangxi, China
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3
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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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4
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Li Y, Wang L, Zhou S, He G, Zhou Y. Electrochemical oxidative cyclization of N-allylamides for the synthesis of CF 3-containing benzoxazines and oxazolines. RSC Adv 2024; 14:154-159. [PMID: 38173567 PMCID: PMC10758801 DOI: 10.1039/d3ra07282g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024] Open
Abstract
The introduction of trifluoromethyl (-CF3) groups into compounds is a common synthetic strategy in organic chemistry. Commonly used methods for introducing trifluoromethyl groups are limited by harsh reaction conditions, low regioselectivity, or the need for excess reagents. In this study, a facile electrochemical oxidative and radical cascade cyclization of N-(2-vinylphenyl)amides for the synthesis of CF3-containing benzoxazines and oxazolines was obtained. This sustainable protocol features inexpensive and durable electrodes, a wide range of substrates, diverse functional group compatibility under transition-metal-free, external-oxidant-free, and additive-free conditions, and can be applied in an open environment.
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Affiliation(s)
- Yutian Li
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Li Wang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shengbin Zhou
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Guoxue He
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yu Zhou
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences Beijing 100049 China
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5
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Chen SJ, Zhong WQ, Huang JM. Electrochemical Trifluoromethylation and Sulfonylation of N-Allylamides: Synthesis of Oxazoline Derivatives. J Org Chem 2023; 88:12630-12640. [PMID: 37579302 DOI: 10.1021/acs.joc.3c01310] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
We report a new method for the synthesis of trifluoromethylated and sulfonylated oxazolines by electrochemical radical cascade cyclizations of N-allylamides with sodium trifluoromethanesulfinate or sulfonylhydrazines. This protocol provides a green and useful strategy to synthesize trifluoromethylated and sulfonylated oxazolines with a broad substrate scope under ambient conditions.
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Affiliation(s)
- Shu-Jun Chen
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, People's Republic of China
| | - Wei-Qiang Zhong
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, People's Republic of China
| | - Jing-Mei Huang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, People's Republic of China
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6
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Hu J, Wan H, Wang S, Yi H, Lei A. Electrochemical Thiocyanation/Cyclization Cascade to Access Thiocyanato-Containing Benzoxazines. Catalysts 2023. [DOI: 10.3390/catal13030631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
Due to the importance of SCN-containing heteroarenes, developing novel and green synthetic protocols for the synthesis of SCN-containing compounds has drawn much attention over the last decades. We reported here an electrochemical oxidative cyclization of ortho-vinyl aniline to access various SCN-containing benzoxazines. Mild conditions, an extra catalyst-free and oxidant-free system, and good tolerance for air highlight the application potential of this method.
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7
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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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8
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Electrochemical oxythiocyanation of ortho-olefinic amides: access to diverse thiocyanated benzoxazines. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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9
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Ye AH, Song XF, Chen ZM. Electrophilic Thiocyanation of Tryptamine Derivatives: Divergent Synthesis of SCN-Containing Indole Compounds. Chem Asian J 2022; 17:e202200802. [PMID: 36039929 DOI: 10.1002/asia.202200802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/29/2022] [Indexed: 11/07/2022]
Abstract
A tandem dearomative electrophilic thiocyanation/cyclization/acylation of indoles was developed for the first time, which is enabled by acyl chloride. A variety of 3-SCN pyrroloindolines were obtained with moderate to excellent yields. Interestingly, replacement of acyl chloride with methanesulfonic acid, 2-SCN tryptamines were obtained using the same starting substrates and reagents. Furthermore, catalytic enantioselective manner of thiocyanation/cyclization/acylation reaction was also studied. An enantiomer self-disproportionation effect of 3-SCN pyrroloindolines was discovered. A series of chiral 3-SCN pyrroloindolines were obtained with high enantioselectivities.
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Affiliation(s)
- Ai-Hui Ye
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, CHINA
| | - Xu-Feng Song
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, CHINA
| | - Zhi-Min Chen
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, 800 Dongchuan RD. Minhang District, 200240, Shanghai, CHINA
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10
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Chen H, Shi X, Liu X, Zhao L. Recent progress of direct thiocyanation reactions. Org Biomol Chem 2022; 20:6508-6527. [PMID: 35942781 DOI: 10.1039/d2ob01018f] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thiocyanates are common in natural products, synthetic drugs and bioactive molecules. Many thiocyanate derivatives show excellent antibacterial, antiparasitic and anticancer activities. Thiocyanation can introduce SCN groups into parent molecules for constructing SCN-containing small organic molecules. Among them, the direct introduction method mainly includes nucleophilic reaction, electrophilic reaction and free radical reaction, which can simply and quickly introduce SCN groups at the target sites to construct thiocyanates, and has broad application prospects. In this review, we summarize the research progress of direct thiocyanation in recent years.
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Affiliation(s)
- Haixin Chen
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Xiaotian Shi
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Xiang Liu
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Limin Zhao
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
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11
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Photocatalyst-free visible-light-mediated three-component reaction of α-diazoesters, cyclic ethers and NaSCN to access organic thiocyanates. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Gao F, Zhang S, Lv Q, Yu B. Recent advances in graphene oxide catalyzed organic transformations. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.10.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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13
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Ye AH, Li ZH, Ding TM, Ke H, Chen ZM. Phosphoric Acid Catalyzed Electrophilic Thiocyanation of Indoles: Access to SCN-Containing Aryl-Indole Compounds. Chem Asian J 2022; 17:e202200256. [PMID: 35384332 DOI: 10.1002/asia.202200256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 03/31/2022] [Indexed: 11/06/2022]
Abstract
A phosphoric acid catalyzed electrophilic thiocyanation of 3-aryl indoles, which provides an efficient and modular approach to SCN-containing 3-aryl indole compounds, was developed for the first time. A variety of 2-SCN-3-aryl indoles were obtained with moderate to excellent yields. Furthermore, catalytic asymmetric manner of this reaction was also studied. Using chiral phosphoric acid as the catalyst, axially chiral SCN-containing 3-aryl indoles were obtained in moderate to good yields with moderate enantioselectivity.
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Affiliation(s)
- Ai-Hui Ye
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, CHINA
| | - Zi-Hao Li
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, CHINA
| | - Tong-Mei Ding
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, CHINA
| | - Hua Ke
- Pingxiang University, Engineering Technology Research Center for Environmental Protection Materials, CHINA
| | - Zhi-Min Chen
- Shanghai Jiao Tong University, School of Chemistry and Chemical Engineering, 800 Dongchuan RD. Minhang District, 200240, Shanghai, CHINA
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14
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Shao C, He Y, Yin H, Chen FX. Me3SiCl‐Catalyzed Electrophilic Thiocyanation/Cyclization of Alkynylbenzoates to Synthesize 4‐Thiocyanatoisocourmarins. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chukai Shao
- Beijing Institute of Technology School of Chemistry No. 8 Liangxiang East Road, Fangshan District, Beijing 102488 (P. R. China) 102488 Beijing CHINA
| | - Ying He
- Beijing Institute of Technology School of Chemistry CHINA
| | - Hongquan Yin
- Beijing Institute of Technology School of Chemistry CHINA
| | - Fu-Xue Chen
- Beijing Institute of Technology School of chemical Engineering No5 south zhongguancun street, Haidian 100081 Beijing CHINA
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15
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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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16
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Wang Z, Liu R, Qu C, Zhao XE, Lv Y, Yue H, Wei W. Elemental sulfur as the “S” source: visible-light-mediated four-component reactions leading to thiocyanates. Org Chem Front 2022. [DOI: 10.1039/d2qo00539e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An eco-friendly and photocatalyst-free visible-light-promoted four-component reaction of α-diazoesters, elemental sulfur, cyclic ethers and TMSCN leading to thiocyanates is described.
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Affiliation(s)
- Zhiwei Wang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China
| | - Ruisheng Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China
| | - Chengming Qu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China
| | - Xian-En Zhao
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China
| | - Yufen Lv
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China
| | - Huilan Yue
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research and CAS Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Qinghai 810008, China
| | - Wei Wei
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research and CAS Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Qinghai 810008, China
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17
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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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18
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Tao S, Xiao J, Li Y, Sun F, Du Y. PhICl
2
/
NH
4
SCN‐Mediated
Oxidative Regioselective Thiocyanation of Pyridin‐2(
1
H
)‐ones. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100278] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shanqing Tao
- Tianjin Key Laboratory for Modern Drug Delivery & High‐Efficiency, School of Pharmaceutical Science and Technology Tianjin University Tianjin 300072 China
| | - Jiaxi Xiao
- Tianjin Key Laboratory for Modern Drug Delivery & High‐Efficiency, School of Pharmaceutical Science and Technology Tianjin University Tianjin 300072 China
| | - Yadong Li
- Tianjin Key Laboratory for Modern Drug Delivery & High‐Efficiency, School of Pharmaceutical Science and Technology Tianjin University Tianjin 300072 China
| | - Fengxia Sun
- College of Chemical and Pharmaceutical Engineering Hebei University of Science and Technology; Hebei Research Center of Pharmaceutical and Chemical Engineering Shijiazhuang Hebei 050018 China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High‐Efficiency, School of Pharmaceutical Science and Technology Tianjin University Tianjin 300072 China
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19
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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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20
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Hu G, Li P, Zhou Z, Yang F, Xu S, Fan H, Zhao X, Zhang X. NBS-assisted palladium-catalyzed bromination/cross-coupling reaction of 2-alkynyl arylazides with KSCN: an efficient method to synthesize 3-thiocyanindoles. NEW J CHEM 2021. [DOI: 10.1039/d0nj05894g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
An efficient NBS-assisted palladium-catalyzed bromination/cross-coupling synthesis of 3-thiocyanindoles from 2-alkynyl arylazides with KSCN has been described.
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Affiliation(s)
- Guiwen Hu
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Ping Li
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Zhiqiang Zhou
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Fan Yang
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Shijie Xu
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Hui Fan
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Xuechun Zhao
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Xiaoxiang Zhang
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
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21
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Zhang YA, Ding Z, Liu P, Guo WS, Wen LR, Li M. Access to SCN-containing thiazolines via electrochemical regioselective thiocyanothiocyclization of N-allylthioamides. Org Chem Front 2020. [DOI: 10.1039/d0qo00300j] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
An electrochemical thiocyclization of N-allylthioamides has been developed for the synthesis of SCN-containing 2-thiazolines and NCS-containing thiazines.
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Affiliation(s)
- Yan-An Zhang
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Zhong Ding
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Peng Liu
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Wei-Si Guo
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
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