1
|
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.
Collapse
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
| |
Collapse
|
2
|
Saha P, Kumar R, Das S, Ansari T, Indra A, Sharma DK. Visible light induced regioselective C-3 thiocyanation of imidazoheterocycles through naphthalimide dye based photoredox catalysis. Org Biomol Chem 2023; 21:8471-8476. [PMID: 37843304 DOI: 10.1039/d3ob01100c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
A visible light induced C-3 thiocyanation of imidazo[1,2-a]pyridines by using a naphthalimide based photoredox catalyst has been reported. Tolerance of electron withdrawing and donating groups at different positions of the imidazo[1,2-a]pyridine ring led to a wide substrate accessibility of this method. This methodology is further reproducible with other heterocycles like benzo[d]imidazo[2,1-b]thiazoles, indoles, azaindoles, and anilines.
Collapse
Affiliation(s)
- Pallavi Saha
- Department of Pharmaceutical Engineering and Technology, IIT-Banaras Hindu University, Varanasi, UP, 221005, India.
| | - Rohit Kumar
- Department of Pharmaceutical Engineering and Technology, IIT-Banaras Hindu University, Varanasi, UP, 221005, India.
| | - Samarpita Das
- Department of Pharmaceutical Engineering and Technology, IIT-Banaras Hindu University, Varanasi, UP, 221005, India.
| | - Toufik Ansari
- Department of Chemistry, IIT-Banaras Hindu University, Varanasi, UP, 221005, India
| | - Arindam Indra
- Department of Chemistry, IIT-Banaras Hindu University, Varanasi, UP, 221005, India
| | - Deepak K Sharma
- Department of Pharmaceutical Engineering and Technology, IIT-Banaras Hindu University, Varanasi, UP, 221005, India.
| |
Collapse
|
3
|
Sonego JM, de Diego SI, Szajnman SH, Gallo-Rodriguez C, Rodriguez JB. Organoselenium Compounds: Chemistry and Applications in Organic Synthesis. Chemistry 2023; 29:e202300030. [PMID: 37378970 DOI: 10.1002/chem.202300030] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 06/18/2023] [Accepted: 06/28/2023] [Indexed: 06/29/2023]
Abstract
Selenium, originally described as a toxin, turns out to be a crucial trace element for life that appears as selenocysteine and its dimer, selenocystine. From the point of view of drug developments, selenium-containing drugs are isosteres of sulfur and oxygen with the advantage that the presence of the selenium atom confers antioxidant properties and high lipophilicity, which would increase cell membrane permeation leading to better oral bioavailability. In this article, we have focused on the relevant features of the selenium atom, above all, the corresponding synthetic approaches to access a variety of organoselenium molecules along with the proposed reaction mechanisms. The preparation and biological properties of selenosugars, including selenoglycosides, selenonucleosides, selenopeptides, and other selenium-containing compounds will be treated. We have attempted to condense the most important aspects and interesting examples of the chemistry of selenium into a single article.
Collapse
Affiliation(s)
- Juan M Sonego
- Departamento de Química Orgánica Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Unidad de Microanálisis y Métodos Físicos en Química Orgánica (UMYMFOR), C1428EHA, Buenos Aires, Argentina
| | - Sheila I de Diego
- Departamento de Química Orgánica Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Unidad de Microanálisis y Métodos Físicos en Química Orgánica (UMYMFOR), C1428EHA, Buenos Aires, Argentina
| | - Sergio H Szajnman
- Departamento de Química Orgánica Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Unidad de Microanálisis y Métodos Físicos en Química Orgánica (UMYMFOR), C1428EHA, Buenos Aires, Argentina
| | - Carola Gallo-Rodriguez
- Departamento de Química Orgánica Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), C1428EHA, Buenos Aires, Argentina
| | - Juan B Rodriguez
- Departamento de Química Orgánica Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Unidad de Microanálisis y Métodos Físicos en Química Orgánica (UMYMFOR), C1428EHA, Buenos Aires, Argentina
| |
Collapse
|
4
|
Cheng Z, Qiu X, Xiong B, Zhang Y, Zeng X. Synthesis of Benzoselenophenes via TMSCN-Enabled Radical-Mediated Tandem Reaction Involving Enamides and Elemental Selenium. Org Lett 2023; 25:6665-6670. [PMID: 37650542 DOI: 10.1021/acs.orglett.3c02485] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
This study presents a TMSCN-enabled tandem reaction involving enamides and elemental selenium to access a diverse array of benzoselenophenes. Notably, this methodology involves the direct 2-fold C(sp2)-H bond activation without the need for preinstalled halides or boronic acids as reaction handles. The protocol offers several noteworthy features, including the absence of transition metals and strong oxidants, high reaction efficiency, broad substrate scopes, and the use of stable elemental selenium as a selenium source.
Collapse
Affiliation(s)
- Zhenfeng Cheng
- School of Pharmacy, Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226019, People's Republic of China
| | - Xiaodong Qiu
- School of Pharmacy, Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226019, People's Republic of China
| | - Biao Xiong
- School of Pharmacy, Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226019, People's Republic of China
| | - Yanan Zhang
- School of Pharmacy, Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226019, People's Republic of China
| | - Xiaobao Zeng
- School of Pharmacy, Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226019, People's Republic of China
| |
Collapse
|
5
|
Ali D, Mondal N, Panday AK, Choudhury LH. Synthesis of Selenocyanates and Selenoethers of Amino Pyrazoles and Amino Uracils by In Situ Triselenium Dicyanide from Malononitrile and Selenium Dioxide. ACS OMEGA 2023; 8:25349-25357. [PMID: 37483204 PMCID: PMC10357565 DOI: 10.1021/acsomega.3c02769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 06/16/2023] [Indexed: 07/25/2023]
Abstract
Herein, we report an efficient method for synthesis of novel selenocyanates of amino pyrazole, amino uracil, and amino isoxazole derivatives using in situ triselenium dicyanide from the combination of malononitrile and selenium dioxide in DMSO medium. Using the same combination but changing the stoichiometry of reagents and sequence of addition and temperature, symmetrical selenoethers of amino pyrazoles and amino uracils were prepared in good yields. Furthermore, selenocyanates of amino pyrazoles were utilized for the synthesis of corresponding alkynyl selenides in the presence of CuI and Cs2CO3. The salient features of this methodology are inexpensive starting materials, short reaction time, and good to very good yields. This method is also applicable for the gram-scale synthesis of selenocyanates of amino pyrazoles and amino uracils.
Collapse
|
6
|
He WB, Tang LL, Jiang J, Li X, Xu X, Yang TB, He WM. Paired Electrolysis Enabled Cyanation of Diaryl Diselenides with KSCN Leading to Aryl Selenocyanates. Molecules 2023; 28:molecules28031397. [PMID: 36771059 PMCID: PMC9919590 DOI: 10.3390/molecules28031397] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/17/2023] [Accepted: 01/24/2023] [Indexed: 02/05/2023] Open
Abstract
The first example of paired electrolysis-enabled cyanation of diaryl diselenides, with KSCN as the green cyanating agent, has been developed. A broad range of aryl selenocyanates can be efficiently synthesized under chemical-oxidant- and additive-free, energy-saving and mild conditions.
Collapse
Affiliation(s)
- Wei-Bao He
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Luo-Lin Tang
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jun Jiang
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China
| | - Xiao Li
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China
| | - Xinhua Xu
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
- Correspondence: (X.X.); (W.-M.H.)
| | - Tian-Bao Yang
- National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
| | - Wei-Min He
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China
- Correspondence: (X.X.); (W.-M.H.)
| |
Collapse
|
7
|
Exogenous photocatalyst- and metal-free photoinduced C-3 thiocyanation of indoles using O2 as the oxidant. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
|
8
|
Guo T, Bi L, Shen L, Wei Q, Zhu C, Zhang P, Zhao Y. Selective oxidative β-C-H bond sulfenylation of tetrahydroisoquinolines with elemental sulfur. Org Biomol Chem 2022; 21:127-131. [PMID: 36484417 DOI: 10.1039/d2ob01976k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this article, a convenient and efficient KIO3-promoted oxidative sulfenylation at the β-position of tetrahydroisoquinolines and subsequent aromatization in the presence of elemental S8 is presented. The reaction proceeds with moderate to good yields via a double C-S formation process. A wide range of structurally diverse 4-sulfenylisoquinolines/3-sulfenylpiperidine were synthesized with excellent functional group tolerance and high efficiency.
Collapse
Affiliation(s)
- Tao Guo
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Lei Bi
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Lu Shen
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Quanhong Wei
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Congjun Zhu
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Panke Zhang
- Green Catalysis Center, College of Chemistry, Henan Advanced Institute of Technology, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Yunhui Zhao
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, P. R. China.
| |
Collapse
|
9
|
Guo T, Bi L, Zhang M, Zhu CJ, Yuan LB, Zhao YH. Access to Sulfur-Containing Bisheterocycles through Base-Promoted Consecutive Tandem Cyclization/Sulfenylation with Elemental Sulfur. J Org Chem 2022; 87:16907-16912. [PMID: 36417664 DOI: 10.1021/acs.joc.2c02248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A convenient and efficient tandem cyclization/sulfenylation of o-alkynyl-phenols/-anilines/enaminones for the synthesis of diverse sulfur-containing bisheterocycles has been developed using stable, odorless, and easy-to-handle elemental S8 as a building block under green chemistry conditions. Notably, a one-step simple base-mediated organic transformation affords a benzofuran (indole or chromone) ring and two C-S bonds. Attractive features of this methodology include the absence of a metal catalyst, mild conditions, good functional group tolerance, and valuable product structures.
Collapse
Affiliation(s)
- Tao Guo
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China
| | - Lei Bi
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China
| | - Miao Zhang
- Department of Pharmacy, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Cong-Jun Zhu
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China
| | - Li-Bo Yuan
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China
| | - Yun-Hui Zhao
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, P. R. China
| |
Collapse
|
10
|
Abdelbasset WK, Sultan MQ, Alkaim AF, Abdullaevich Ashurov T, Altimari US, Hussein BA, Mustafa YF, Hammid AT. Intramolecular Cascade C–S Bond Formation: A Safe and New Strategy for the Synthesis of Riluzole Analogues Catalyzed by K 2S 2O 8. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2143826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Walid Kamal Abdelbasset
- Department of Health and Rehabilitation Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
- Department of Physical Therapy, Kasr Al-Aini Hospital, Cairo University, Giza, Egypt
| | | | - Ayad F. Alkaim
- Chemistry Department, College of Science for Women, Iraq
| | | | | | | | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, Iraq
| | - Ali Thaeer Hammid
- Computer Engineering Department, Imam Ja’afar Al-Sadiq University, Baghdad, Iraq
| |
Collapse
|
11
|
Matsumura M, Tsukada K, Sugimoto K, Murata Y, Yasuike S. Synthesis of novel alkynyl imidazopyridinyl selenides: copper-catalyzed tandem selenation of selenium with 2-arylimidazo[1,2- a]pyridines and terminal alkynes. Beilstein J Org Chem 2022; 18:863-871. [PMID: 35957751 PMCID: PMC9344556 DOI: 10.3762/bjoc.18.87] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/05/2022] [Indexed: 12/04/2022] Open
Abstract
Alkynyl selenides have attracted considerable research interest recently, owing to their applications in the biological and pharmaceutical fields. The Cu-catalyzed tandem reaction for the synthesis of novel alkynyl imidazopyridinyl selenides is presented. A one-pot synthesis route afforded alkynyl imidazopyridinyl selenides in moderate to good yields. This was achieved by a two-step reaction between terminal alkynes and diimidazopyridinyl diselenides, generated from imidazo[1,2-a]pyridines and Se powder, using 10 mol % of CuI and 1,10-phenanthroline as the catalytic system under aerobic conditions. The C(sp2)–Se and C(sp)–Se bond-formation reaction can be performed in one-pot by using inexpensive and easy to handle Se powder as the Se source. The reaction proceeded with terminal alkynes having various substitutions, such as aryl, vinyl, and alkyl groups. The obtained alkynyl imidazopyridinyl selenide was found to undergo nucleophilic substitution reaction on Se atom using organolithium reagents and 1,3-dipolar azide–alkyne cycloaddition based on the alkyne moiety.
Collapse
Affiliation(s)
- Mio Matsumura
- School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan
| | - Kaho Tsukada
- School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan
| | - Kiwa Sugimoto
- School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan
| | - Yuki Murata
- School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan
| | - Shuji Yasuike
- School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan
| |
Collapse
|
12
|
Karmaker PG, huo F. Organic Selenocyanates: Rapid Advancements and Applications in the Field of Organic Chemistry. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pran Gopal Karmaker
- Neijiang Normal University Chemistry & Chemical Engineering 705#, Dongtong Road, Neijiang, China, 641100Neijiang Normal University 641100 Neijiang CHINA
| | - feng huo
- Neijiang Normal University Chemistry Dongtong Rood #705 641100 Neijiang CHINA
| |
Collapse
|
13
|
Tao S, Huo A, Gao Y, Zhang X, Yang J, Du Y. PhICl2-Mediated Regioselective and Electrophilic Oxythio/Selenocyanation of o-(1-Alkynyl)benzoates: Access to Biologically Active S/SeCN-Containing Isocoumarins. Front Chem 2022; 10:859995. [PMID: 35665060 PMCID: PMC9158338 DOI: 10.3389/fchem.2022.859995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 02/28/2022] [Indexed: 12/11/2022] Open
Abstract
The application of PhICl2/NH4SCN and PhICl2/KSeCN reagent systems to the synthesis of the biologically active S/SeCN-containing isocoumarins via a process involving thio/selenocyanation, enabled by thio/selenocyanogen chloride generated in situ, followed with an intramolecular lactonization was realized. Gram-scale synthesis, further derivatization to access C4 thio/selenocyanated Xyridin A and anti-tumor activities of the obtained products highlight the potential use of this method.
Collapse
Affiliation(s)
- Shanqing Tao
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Aiwen Huo
- Hebei Key Laboratory of State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, China
| | - Yan Gao
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Xiangyang Zhang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Jingyue Yang
- Hebei Key Laboratory of State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, China
- *Correspondence: Yunfei Du, ; Jingyue Yang,
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
- *Correspondence: Yunfei Du, ; Jingyue Yang,
| |
Collapse
|
14
|
An efficient synthesis of 4-Thiocyanato anilines using benzyltrimethylammonium dichloroiodate and ammonium thiocyanate in DMSO:H2O. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153809] [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]
|
15
|
Guo T, Li Z, Bi L, Fan L, Zhang P. Recent advances in organic synthesis applying elemental selenium. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132752] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
16
|
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
| |
Collapse
|
17
|
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.
Collapse
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
| |
Collapse
|
18
|
Ma Y, Liu M, Zhou Y, Wu H. Synthesis of Organoselenium Compounds with Elemental Selenium. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101227] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yang‐Tong Ma
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Miao‐Chang Liu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Yun‐Bing Zhou
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Hua‐Yue Wu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| |
Collapse
|
19
|
Yu F, Li C, Wang C, Zhang H, Cao ZY. (1-Selenocyanatoethyl)benzene: A Selenocyanation Reagent for Site-Selective Selenocyanation of Inert Alkyl C(sp 3)-H Bonds. Org Lett 2021; 23:7156-7160. [PMID: 34468157 DOI: 10.1021/acs.orglett.1c02564] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A new, simple, yet easily accessible, (1-selenocyanatoethyl)benzene has been designed and applied as a SeCN group transfer reagent for selenocyanation of aliphatic C(sp3)-H bonds for the first time. This protocol is featured with mild reaction conditions and wide substrate scope. Control experiments reveal that a radical-group transfer mechanism might be involved.
Collapse
Affiliation(s)
- Fei Yu
- Department of Chemistry, College of Science, China University of Petroleum (East China) Qingdao, Shandong 266580, China
| | - Chuang Li
- Department of Chemistry, College of Science, China University of Petroleum (East China) Qingdao, Shandong 266580, China
| | - Chuangye Wang
- Department of Chemistry, College of Science, China University of Petroleum (East China) Qingdao, Shandong 266580, China
| | - Hongwei Zhang
- Department of Chemistry, College of Science, China University of Petroleum (East China) Qingdao, Shandong 266580, China
| | - Zhong-Yan Cao
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China
| |
Collapse
|
20
|
Zhao X, Ji L, Gao Y, Sun T, Qiao J, Li A, Lu K. Visible-Light-Promoted Selenocyanation of Cyclobutanone Oxime Esters Using Potassium Selenocyanate. J Org Chem 2021; 86:11399-11406. [PMID: 34365792 DOI: 10.1021/acs.joc.1c00893] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the visible-light-promoted selenocyanation of cyclobutanone oxime esters using potassium selenocyanate in the presence of a fac-Ir(ppy)3 catalyst for the first time. Because of the mild conditions employed and use of readily accessible potassium selenocyanate, this method is an effective and green strategy for the synthesis of cyano and selenocyano bifunctional substituted alkanes.
Collapse
Affiliation(s)
- Xia Zhao
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Normal University, Tianjin, China, 300387
| | - Liangshuo Ji
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Normal University, Tianjin, China, 300387
| | - Yu Gao
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Normal University, Tianjin, China, 300387
| | - Tengteng Sun
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Normal University, Tianjin, China, 300387
| | - Jiamin Qiao
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Normal University, Tianjin, China, 300387
| | - Ankun Li
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Normal University, Tianjin, China, 300387
| | - Kui Lu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China, 300457
| |
Collapse
|
21
|
Xu W, Liu F, Li J, Li M, Xie J, Zhu C. Thiocarbamoyl Fluoride Synthesis by Deconstructive Diversification of Arylated Tetrahydroisoquinolines. J Org Chem 2021; 86:12443-12451. [PMID: 34324330 DOI: 10.1021/acs.joc.1c01468] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Deconstructive functionalization of cyclic amines can provide access to chemicals with diverse skeletons. We report the conversion of tertiary amines to thiocarbamoyl fluorides, a reaction enabled by photoredox catalysis and tolerating different functional groups while avoiding strong oxidants. A one-pot synthetic method from tertiary amines and AgF has been developed to get access to trifluoromethylamines. The synthesized thiocarbamoyl fluorides can be further transferred into esters.
Collapse
Affiliation(s)
- Wentao Xu
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China.,State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Fang Liu
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Jiajun Li
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Muzi Li
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jin Xie
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.,Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Chengjian Zhu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China
| |
Collapse
|
22
|
Rai V, Sorabad GS, Maddani MR. Efficient and Direct Selenocyanation of Ketene Dithioacetals Using Malononitrile‐SeO
2
Under Transition‐Metal‐Free Conditions. ChemistrySelect 2021. [DOI: 10.1002/slct.202101208] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Vishakha Rai
- Department of Chemistry Mangalore University, Mangalgangothri- 574199 Karnataka India
| | - Ganesh S. Sorabad
- Department of Chemistry Mangalore University, Mangalgangothri- 574199 Karnataka India
| | | |
Collapse
|
23
|
Hassanpour A, Ghavidelaghdam E, Ebadi AG, Poor Heravi MR, Vessally E. Progress and recent trends in the direct selenocyanation of (hetero)aromatic C-H bonds. RSC Adv 2021; 11:22305-22316. [PMID: 35480846 PMCID: PMC9034374 DOI: 10.1039/d1ra01035b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 06/03/2021] [Indexed: 01/08/2023] Open
Abstract
This review covers recent advances in the direct selenocyanation of (hetero)aromatic C-H bonds with an emphasis on the reaction mechanisms. This novel approach is an effective means of preparing a variety of aromatic and heteroaromatic selenocyanates, which are extremely versatile synthetic precursors of selenium-containing compounds, such as selenols, seleninic acids, selenides, diselenides, and trifluoromethyl selenides.
Collapse
Affiliation(s)
- Akbar Hassanpour
- Department of Chemistry, Islamic Azad University Marand Branch Marand Iran
| | | | - Abdol Ghaffar Ebadi
- Department of Agriculture, Islamic Azad University Jouybar Branch Jouybar Iran
| | | | - Esmail Vessally
- Department of Chemistry, Payame Noor University P.O. Box 19395-3697 Tehran Iran
| |
Collapse
|
24
|
Ma ST, Zhu XX, Xu JY, Li Y, Zhang XM, Feng CT, Yan Y. Iodide-promoted transformations of imidazopyridines into sulfur-bridged imidazopyridines or 1,2,4-thiadiazoles. Chem Commun (Camb) 2021; 57:5338-5341. [PMID: 33928973 DOI: 10.1039/d1cc01044a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A NaI-promoted sequential double carbon-sulfur bond formation was developed to afford sulfur-bridged imidazopyridines, using Deoxofluor as the sulfur source and requiring only 15 min at room temperature. Using this process, imidazo[1,5-a]pyridines could also be transformed to 1,2,4-thiadiazoles in the presence of ammonium salt with the formation of both carbon-sulfur and nitrogen-sulfur bonds. This mechanistically unique method is distinguished by its wide substrate scope, lack of requirement for transition metals and mild conditions.
Collapse
Affiliation(s)
- Shi-Tang Ma
- Life and Health College, Anhui Science and Technology University, Fengyang, 233100, China and School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China.
| | - Xiao-Xiao Zhu
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China.
| | - Jing-Yu Xu
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China.
| | - Ying Li
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China.
| | - Xiao-Mei Zhang
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China.
| | - Cheng-Tao Feng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China.
| | - Yizhe Yan
- College of Food and Bioengineering, Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou University of Light Industry, Zhengzhou, 450000, China.
| |
Collapse
|
25
|
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.
Collapse
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
| |
Collapse
|
26
|
Ma J, Liu H, He X, Chen Z, Liu Y, Hou C, Sun Z, Chu W. Ni-Catalyzed C–H Cyanation of (Hetero)arenes with 2-Cyanoisothiazolidine 1,1-Dioxide as a Cyanation Reagent. Org Lett 2021; 23:2868-2872. [DOI: 10.1021/acs.orglett.1c00468] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Junjie Ma
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Hao Liu
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Xin He
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Zhicheng Chen
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Yue Liu
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Chuanfu Hou
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Zhizhong Sun
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Wenyi Chu
- School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| |
Collapse
|
27
|
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.
Collapse
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
| |
Collapse
|
28
|
Zhang X, Huang X, Zhou Y, Liu M, Wu H. Metal‐Free Synthesis of Aryl Selenocyanates and Selenaheterocycles with Elemental Selenium. Chemistry 2020; 27:944-948. [DOI: 10.1002/chem.202004005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/03/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Xue Zhang
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 P. R. China
| | - Xiao‐Bo Huang
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 P. R. China
| | - Yun‐Bing Zhou
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 P. R. China
| | - Miao‐Chang Liu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 P. R. China
| | - Hua‐Yue Wu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 P. R. China
| |
Collapse
|
29
|
Sandeep M, Shantharjun B, Pradeep Kumar G, Rajender Reddy K. Oxidative Copper‐Catalyzed Regioselective Trifluoromethylation of Fused Imidazo[1,5‐
a
]‐
N
‐heteroarenes using Langlois Reagent. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Mummadi Sandeep
- Catalysis and Fine Chemicals Division, CSIR– Indian Institute of Chemical Technology, Tarnaka Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002, U.P India
| | - Bangarigalla Shantharjun
- Catalysis and Fine Chemicals Division, CSIR– Indian Institute of Chemical Technology, Tarnaka Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002, U.P India
| | - Geetala Pradeep Kumar
- Catalysis and Fine Chemicals Division, CSIR– Indian Institute of Chemical Technology, Tarnaka Hyderabad 500007 India
- IICT-RMIT Joint Research Centre CSIR-IICT, Tarnaka Hyderabad 500007 India
| | - Kallu Rajender Reddy
- Catalysis and Fine Chemicals Division, CSIR– Indian Institute of Chemical Technology, Tarnaka Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002, U.P India
- IICT-RMIT Joint Research Centre CSIR-IICT, Tarnaka Hyderabad 500007 India
| |
Collapse
|
30
|
Yan Y, Li S, Wang J. Oxidative Alkoxylation/Dehydrogenation of Unactivated Cyclic Ketones with Simple Alcohols: Direct Route to α‐Alkoxy Cycloenones. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yizhe Yan
- School of Food and Biological Engineering Henan Collaborative Innovation Center of Food Production and Safety Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou University of Light Industry 450000 Zhengzhou P. R. China
| | - Shaoqing Li
- School of Food and Biological Engineering Henan Collaborative Innovation Center of Food Production and Safety Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou University of Light Industry 450000 Zhengzhou P. R. China
| | - Jianyong Wang
- School of Light Industry and Engineering Qilu University of Technology (Shandong Academy of Sciences) 250353 Jinan P. R. China
| |
Collapse
|
31
|
Guo T, Wei XN, Zhang M, Liu Y, Zhu LM, Zhao YH. Catalyst and additive-free oxidative dual C-H sulfenylation of imidazoheterocycles with elemental sulfur using DMSO as a solvent and an oxidant. Chem Commun (Camb) 2020; 56:5751-5754. [PMID: 32319979 DOI: 10.1039/d0cc00043d] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Dual C-H sulfenylation was used to obtain 3-vulcanized imidazoheterocycles using odorless elemental sulfur under catalyst- and additive-free conditions. C-H activation of both imidazoheterocycles and arylamines/arenols/indoles was realized by a practical protocol in which DMSO served as both a solvent and an internal oxidant.
Collapse
Affiliation(s)
- Tao Guo
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Xu-Ning Wei
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Miao Zhang
- Department of Pharmacy, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Yu Liu
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Li-Min Zhu
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
| | - Yun-Hui Zhao
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, P. R. China.
| |
Collapse
|
32
|
Zhang J, Wang H, Chen Y, Xie H, Ding C, Tan J, Xu K. Electrochemical synthesis of selenocyanated imidazo[1,5-a]quinolines under metal catalyst- and chemical oxidant-free conditions. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.11.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
33
|
Oxidative umpolung selenocyanation of ketones and arenes: An efficient protocol to the synthesis of selenocyanates. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130978] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
34
|
Yang Z, He J, Wei Y, Li W, Liu P, Zhao J, Wei Y. NCS-promoted thiocyanation and selenocyanation of pyrrolo[1,2-a]quinoxalines. Org Biomol Chem 2020; 18:9088-9094. [DOI: 10.1039/d0ob01818j] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
An efficient NCS-promoted thiocyanation of pyrrolo[1,2-a]quinoxalines with NH4SCN or KSCN was developed. Moreover, in the presence of KSeCN, the selenocyanation of pyrrolo[1,2-a]quinoxalines was also achieved.
Collapse
Affiliation(s)
- Zhen Yang
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| | - Jing He
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| | - Yueting Wei
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| | - Weiwei Li
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| | - Ping Liu
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| | - Jixing Zhao
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| | - Yu Wei
- School of Chemistry and Chemical Engineering
- the Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- Shihezi City
- China
| |
Collapse
|
35
|
Wu D, Qiu J, Li C, Yuan L, Yin H, Chen FX. Lewis Acid-Catalyzed Asymmetric Selenocyanation of β-Ketoesters with N-Selenocyanatosaccharin. J Org Chem 2019; 85:934-941. [PMID: 31820979 DOI: 10.1021/acs.joc.9b02786] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The first electrophilic asymmetric selenocyanation has been achieved in the presence of Ni(OTf)2 and (R,R)-DBFOX/Ph using N-selenocyanatosaccharin as the new selenocyanation reagent. Thus, a series of α-selenocyanato-β-keto esters were synthesized with high yields (up to 99%) and good ee values (up to 92% ee). The readily preparation of the reagent and high enantioselectivity make this methodology much practical for the synthesis of chiral selenocyanates.
Collapse
Affiliation(s)
- Di Wu
- School of Chemistry & Chemical Engineering , Beijing Institute of Technology (Liangxiang Campus) , No. 8 Liangxiang East Road Fangshan District , Beijing 102488 , China
| | - Jiashen Qiu
- School of Chemistry & Chemical Engineering , Beijing Institute of Technology (Liangxiang Campus) , No. 8 Liangxiang East Road Fangshan District , Beijing 102488 , China
| | - Chengqiu Li
- School of Chemistry & Chemical Engineering , Beijing Institute of Technology (Liangxiang Campus) , No. 8 Liangxiang East Road Fangshan District , Beijing 102488 , China
| | - Lexia Yuan
- 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
| | - Fu-Xue Chen
- School of Chemistry & Chemical Engineering , Beijing Institute of Technology (Liangxiang Campus) , No. 8 Liangxiang East Road Fangshan District , Beijing 102488 , China
| |
Collapse
|
36
|
Ito Y, Touyama A, Uku M, Egami H, Hamashima Y. Thiocyanation of Aromatic and Heteroaromatic Compounds with 1-Chloro-1,2-benziodoxol-3-(1 H)-one and (Trimethylsilyl)isothiocyanate. Chem Pharm Bull (Tokyo) 2019; 67:1015-1018. [DOI: 10.1248/cpb.c19-00352] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yuta Ito
- School of Pharmaceutical Sciences, University of Shizuoka
| | | | - Minako Uku
- School of Pharmaceutical Sciences, University of Shizuoka
| | | | | |
Collapse
|
37
|
Peng Y, Feng CT, Li YQ, Chen FX, Xu K. Exploring the ring-opening reactions of imidazo[1,5-a]quinolines for the synthesis of imides under photochemical conditions. Org Biomol Chem 2019; 17:6570-6573. [PMID: 31243406 DOI: 10.1039/c9ob01227c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ring-opening reaction of imidazo[1,5-a]quinolines under photoredox conditions has been described. With Eosin Y as the organophotoredox catalyst, synthetically useful and medicinally important imides were obtained in moderate to excellent yields under mild reaction conditions.
Collapse
Affiliation(s)
- Ya Peng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Cheng-Tao Feng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Yu-Qing Li
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Feng-Xiang Chen
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Kun Xu
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, School of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
| |
Collapse
|
38
|
Chen Y, Qi H, Chen N, Ren D, Xu J, Yang Z. Fluorium-Initiated Dealkylative Cyanation of Thioethers to Thiocyanates. J Org Chem 2019; 84:9044-9050. [PMID: 31244086 DOI: 10.1021/acs.joc.9b00965] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Thioethers are converted to thiocyanates via fluorium-initiated dealkylative cyanation. Selectfluor is used as the oxidant, and trimethylsilyl cyanide is used as the cyanation reagent. The well-streamlined procedure is user-friendly, operationally simple, and step-economical. The current mechanistic studies show that the sulfur radical cation and cyano radical are both involved. They combine to deliver cyanosulfonium, an intermediate toward thiocyanate after dealkylation. Alternatively, a nucleophilic mechanism is also possible. Our dealkyaltive cyanation is also efficient in synthesizing thiocyanates with strongly electrophilic functionalities.
Collapse
Affiliation(s)
| | | | | | - Demin Ren
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers , Hunan University of Science and Technology , Xiangtan 411201 , P. R. China
| | | | | |
Collapse
|
39
|
Guo T, Wei XN, Liu Y, Zhang PK, Zhao YH. Oxidative dual C–H selenation of imidazoheterocycles with ethers or alkanes using selenium powder via a radical pathway. Org Chem Front 2019. [DOI: 10.1039/c9qo00198k] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A DCP-mediated oxidative dual C–H selenation radical reaction of imidazoheterocycles with ethers or alkanes using selenium powder was developed.
Collapse
Affiliation(s)
- Tao Guo
- College of Chemistry, Chemical and Environmental Engineering
- Henan University of Technology
- Zhengzhou
- P. R. China
| | - Xu-Ning Wei
- College of Chemistry, Chemical and Environmental Engineering
- Henan University of Technology
- Zhengzhou
- P. R. China
| | - Yu Liu
- College of Chemistry, Chemical and Environmental Engineering
- Henan University of Technology
- Zhengzhou
- P. R. China
| | - Pan-Ke Zhang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- PR China
| | - Yun-Hui Zhao
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
- Xiangtan
- P. R. China
| |
Collapse
|