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Chen CM, Yang YN, Kong YZ, Zhu BH, Qian PC, Zhou B, Ye LW. Copper-catalyzed intermolecular formal (5 + 1) annulation of 1,5-diynes with 1,2,5-oxadiazoles. Commun Chem 2023; 6:194. [PMID: 37700020 PMCID: PMC10497616 DOI: 10.1038/s42004-023-00999-y] [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: 06/13/2023] [Accepted: 08/30/2023] [Indexed: 09/14/2023] Open
Abstract
One-carbon homologation reactions based on one-carbon insertion into the N-O bond of heterocycles have received tremendous interest over the past decades. However, these protocols have to rely on the use of hazardous and not easily accessible diazo compounds as precursors, and examples of the relevant asymmetric catalysis have not been reported. Here we show that a copper-catalyzed intermolecular formal (5 + 1) annulation of 1,5-diynes with 1,2,5-oxadiazoles involving one-carbon insertion into the heterocyclic N-O bond via non-diazo approach. This method enables practical and atom-economic synthesis of valuable pyrrole-substituted oxadiazines in generally moderate to good yields under mild reaction conditions. In addition, the possibility of such an asymmetric formal (5 + 1) annulation also emerges.
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Affiliation(s)
- Can-Ming Chen
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
| | - Ye-Nan Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
| | - Yin-Zhu Kong
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
| | - Bo-Han Zhu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, China
| | - Peng-Cheng Qian
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China.
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, China.
- Wenzhou Key Laboratory of Technology and Application of Environmental Functional Materials, Institute of New Materials & Industry Technology, Wenzhou University, Wenzhou, China.
| | - Bo Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
| | - Long-Wu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China.
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China.
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2
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Kim SB, Maiti S, Park ES, Kim GY, Choun Y, Ahn SK, Kim JK, Kim J. One-Pot Synthesis of 1,3,4-Oxadiazines from Acylhydrazides and Allenoates. Molecules 2023; 28:molecules28093815. [PMID: 37175225 PMCID: PMC10180079 DOI: 10.3390/molecules28093815] [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: 03/30/2023] [Revised: 04/19/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The framework of 1,3,4-oxadiazine is crucial for numerous bioactive molecules, but only a limited number of synthetic methods have been reported for its production. In 2015, Wang's group developed a 4-(dimethylamino)pyridine (DMAP)-catalyzed [2 + 4] cycloaddition of allenoates with N-acyldiazenes, which provided an atom-efficient route for 1,3,4-oxadiazines. However, the practicality of this method was limited by the instability of N-acyldiazenes as starting materials. Building upon our ongoing research about the aerobic oxidation of hydrazides and their synthetic applications, we hypothesized that aerobic oxidative cycloadditions using acylhydrazides instead of N-acyldiazenes may provide a more practical synthetic route for 1,3,4-oxadiazines. In this manuscript, we describe a one-pot synthetic protocol for 1,3,4-oxadiazines from acylhydrazides and allenoates. The developed one-pot protocol consists of aerobic oxidations of acylhydrazides into N-acyldiazenes using NaNO2 and HNO3, followed by the DMAP-catalyzed cycloaddition of allenoate with the generated N-acyldiazenes. A variety of 1,3,4-oxadiazines were produced in good to high yields. In addition, the practicality of the developed method was demonstrated by a gram-scale synthesis of 1,3,4-oxadiazine.
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Affiliation(s)
- Su Been Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Santanu Maiti
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Eun Sun Park
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Ga Young Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Yunji Choun
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Soon Kil Ahn
- Institute for New Drug Development, Division of Life Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Jae Kwang Kim
- Division of Life Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Jinho Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
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3
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Hajinasiri R. Allenoates in organic synthesis. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133053] [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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4
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Mishra M, Maharana PK, Karjee P, Punniyamurthy T. Expedient cobalt-catalyzed stereospecific cascade C-N and C-O bond formation of styrene oxides with hydrazones. Chem Commun (Camb) 2022; 58:7090-7093. [PMID: 35661177 DOI: 10.1039/d2cc01926d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cobalt-catalyzed cascade C-N and C-O bond formation of epoxides with hydrazones is described to furnish oxadiazines using air as an oxidant. The catalyst plays a dual role as a Lewis acid followed by a redox catalyst to accomplish the C-H/O-H cyclization. Optically active styrene oxide can be reacted enantiospecifically (>99% ee).
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Affiliation(s)
- Manmath Mishra
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Prabhat Kumar Maharana
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Pallab Karjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
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5
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Ke C, Cao Q, Luo Y, Liu X, Feng X. Catalytic asymmetric amination of azlactones with azobenzenes. Chem Commun (Camb) 2022; 58:5881-5884. [PMID: 35470829 DOI: 10.1039/d2cc01656g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We reported an efficient asymmetric amination of azlactones with N-aryl-N-aroyldiazenes through a chiral N,N'-dioxide-based Lewis acid catalyst. The multicoordination ability of Nd(III) enabled it to simultaneously activate and to locate the two reactants for N-selective addition. Hydrazine-bearing azlactone derivatives were obtained in moderate to good yields with high enantioselectivity.
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Affiliation(s)
- Chaoqi Ke
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Qiuhui Cao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Yao Luo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
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Song X, Chen Y, Lu F, Zhang K, Yu C, Li T, Yao C. NHC-catalyzed [4 + 2] annulations of allenoates and 2,3-dioxopyrrolidine derivatives. Org Biomol Chem 2022; 20:1219-1225. [PMID: 35040844 DOI: 10.1039/d1ob02180j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile NHC-catalyzed [2 + 4] annulation of allenoates with 2,3-dioxypyrrolidine derivatives was discovered, which paved a new avenue for the construction of highly substituted pyranopyrrole with moderate to good yields, high atom economy and mild reaction conditions.
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Affiliation(s)
- Xue Song
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
| | - Yangxu Chen
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
| | - Fangfang Lu
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
| | - Kai Zhang
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
| | - Chenxia Yu
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
| | - Tuanjie Li
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
| | - Changsheng Yao
- School of Chemistry and Materials Science, Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials. Jiangsu Normal University, Xuzhou, Jiangsu 221116, P. R. China.
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Anwar S, Lin LT, Srinivasadesikan V, Gudise VB, Chen K. [3+2] regioselective annulation reaction of 2-arylidene-1,3-indandiones towards synthesis of spirocyclopentenes: understanding the mechanism of γ-attack vs. α-attack using DFT studies. RSC Adv 2021; 11:38648-38653. [PMID: 35493224 PMCID: PMC9044273 DOI: 10.1039/d1ra07165c] [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: 09/25/2021] [Accepted: 11/19/2021] [Indexed: 12/18/2022] Open
Abstract
A regioselective [3+2] cyclisation reaction between 2-arylidene-1,3-indanedione and ethyl 2,3-butadienoate catalysed by triphenylphosphine has been demonstrated to synthesize functionalised spirocyclic cyclopentenes. The reaction tolerated various electron-rich and electron-deficient aryl substituted 2-arylidene-1,3-indanediones with high to excellent chemical yields (up to 99%) and moderate to good regioselectivity (up to 5 : 1). DFT studies have also been carried out to understand the regioselective nature of this reaction. The results of Frontier molecular orbital calculations and the activation energy (Ea) favour the formation of compound 3avia γ-attack compared to that of 4avia α-attack. A [3+2] annulation protocol for the construction of functionalized spirocyclopentenes utilizing 1,3-indanedione derived benzylidene-1,3-indanedione and ethyl-2,3-butadienoate at room temperature was developed.![]()
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Affiliation(s)
- Shaik Anwar
- Division of Chemistry, Department of Sciences and Humanities, Vignan's Foundation for Science Technology and Research-VFSTR (Deemed to be University) Vadlamudi-522 213 Guntur Andhra Pradesh India http://www.vignan.ac.in/bshanwar.php +91-8632344700.,Department of Chemistry, National Taiwan Normal University 88 Sec. 4, TingChow Road Taipei Taiwan 116 ROC +86-2-29324249 +86-2-7734-6124
| | - Li-Tzu Lin
- Department of Chemistry, National Taiwan Normal University 88 Sec. 4, TingChow Road Taipei Taiwan 116 ROC +86-2-29324249 +86-2-7734-6124
| | - V Srinivasadesikan
- Division of Chemistry, Department of Sciences and Humanities, Vignan's Foundation for Science Technology and Research-VFSTR (Deemed to be University) Vadlamudi-522 213 Guntur Andhra Pradesh India http://www.vignan.ac.in/bshanwar.php +91-8632344700
| | - Veera Babu Gudise
- Division of Chemistry, Department of Sciences and Humanities, Vignan's Foundation for Science Technology and Research-VFSTR (Deemed to be University) Vadlamudi-522 213 Guntur Andhra Pradesh India http://www.vignan.ac.in/bshanwar.php +91-8632344700
| | - Kwunmin Chen
- Department of Chemistry, National Taiwan Normal University 88 Sec. 4, TingChow Road Taipei Taiwan 116 ROC +86-2-29324249 +86-2-7734-6124
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Huang Z, Zhang Q, Yi X, Zhao Z, Yu W, Chang J. Synthesis of 2‐Imino‐1,3,4‐Selenadiazoles
via
Tributylphosphine‐Mediated Annulation of
N
‐Aroyldiazenes with Isoselenocyanates. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhengyan Huang
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou Henan Province 450001 People's Republic of China
| | - Qianqian Zhang
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou Henan Province 450001 People's Republic of China
| | - Xiaofei Yi
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou Henan Province 450001 People's Republic of China
| | - Zongxiang Zhao
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou Henan Province 450001 People's Republic of China
| | - Wenquan Yu
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou Henan Province 450001 People's Republic of China
| | - Junbiao Chang
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou Henan Province 450001 People's Republic of China
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9
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Abstract
Organocatalysts are abundantly used for various transformations, particularly to obtain highly enantio- and diastereomeric pure products by controlling the stereochemistry. These applications of organocatalysts have been the topic of several reviews. Organocatalysts have emerged as one of the very essential areas of research due to their mild reaction conditions, cost-effective nature, non-toxicity, and environmentally benign approach that obviates the need for transition metal catalysts and other toxic reagents. Various types of organocatalysts including amine catalysts, Brønsted acids, and Lewis bases such as N-heterocyclic carbene (NHC) catalysts, cinchona alkaloids, 4-dimethylaminopyridine (DMAP), and hydrogen bond-donating catalysts, have gained renewed interest because of their regioselectivity. In this review, we present recent advances in regiodivergent reactions that are governed by organocatalysts. Additionally, we briefly discuss the reaction pathways of achieving regiodivergent products by changes in conditions such as solvents, additives, or the temperature.
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