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Wei X, Cai T, Zhang Z, Luo Y, Shang T, Shen H, Xu H, Yu L, Luo X, Yu G, Shen R. ortho-Alkynyl Benzyl Alcohols as C6 Synthons in Regioselective Construction of Polysubstituted Naphthalenes. J Org Chem 2024. [PMID: 38738759 DOI: 10.1021/acs.joc.4c00491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
A straightforward methodology for the assembly of polysubstituted naphthalenes from ortho-alkynyl benzyl alcohols, enabled by using catalytic amounts of Tf2O, has been developed. This transformation not only features transition-metal free and without using other bases and additives but also provides a new synthetic application for ortho-alkynyl benzyl alcohols, i.e., as C6 synthons for the construction of PAHs.
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Affiliation(s)
- Xuemei Wei
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Tao Cai
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Zhebing Zhang
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Yanjuan Luo
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Tianbo Shang
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Hualiang Shen
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Huiting Xu
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Lemao Yu
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Xiang Luo
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Guoqi Yu
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
| | - Runpu Shen
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
- Zhejiang Engineering Research Center of Fat-Soluble Vitamin, Shaoxing University, Shaoxing312000, China
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2
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Bao X, Yu W, Wang L, Dong X, Wang G, Chen W, Li F, Chen D. Synthesis of 4-aryl-3,4-dihydrocoumarins and 4-aryl-4 H-chromenes via Er(OTf) 3-catalyzed cascade reactions of p-quinone methides with 1,3-dicarbonyl compounds. RSC Adv 2023; 13:15942-15946. [PMID: 37250229 PMCID: PMC10214920 DOI: 10.1039/d3ra02267f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/23/2023] [Indexed: 05/31/2023] Open
Abstract
The Er(OTf)3-catalyzed cascade cyclization reaction of para-quinone methides (p-QMs) with various 1,3-dicarbonyl compounds has been developed, which efficiently constructed a series of versatile 4-aryl-3,4-dihydrocoumarins and 4-aryl-4H-chromenes. Herein, we not only propose a novel cyclization strategy of p-QMs, but also provide an easy access to structurally diverse coumarins and chromenes.
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Affiliation(s)
- Xiaobo Bao
- College of Pharmacy, Jiangsu Vocational College of Medicine Yancheng 224005 China
| | - Wei Yu
- School of Pharmacy, Nanjing Medical University Nanjing 211166 China
| | - Lilin Wang
- Sir Run Run Hospital, Nanjing Medical University Nanjing 211166 China
| | - Xu Dong
- School of Pharmacy, Nanjing Medical University Nanjing 211166 China
| | - Guoli Wang
- School of Pharmacy, Nanjing Medical University Nanjing 211166 China
| | - Weilin Chen
- School of Pharmacy, Nanjing Medical University Nanjing 211166 China
| | - Fei Li
- School of Pharmacy, Nanjing Medical University Nanjing 211166 China
| | - Dongyin Chen
- School of Pharmacy, Nanjing Medical University Nanjing 211166 China
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Liu FL, Mei L, Wang LT, Zhou Y, Tang K, Li T, Yi R, Wei WT. Radical bicyclization of 1,6-enynes with sulfonyl hydrazides by the use of TBAI/TBHP in the aqueous phase. Chem Commun (Camb) 2023; 59:6391-6394. [PMID: 37157973 DOI: 10.1039/d3cc01102j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
A novel 5-exo-dig/6-endo-trig bicyclization of 1,6-enynes with sulfonyl hydrazides in the aqueous phase using the cheap and available tetrabutylammonium iodide (TBAI)-tert-butyl hydroperoxide (TBHP) combined system is reported. The resulting reaction of diverse nitrogen- and oxygen-polyheterocycles displays high chemical selectivity, high step-economy, and a moderate substrate scope. Moreover, iodosulfonylation can be realized by modulating the structure of the 1,6-enynes.
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Affiliation(s)
- Fa-Liang Liu
- School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Lan Mei
- School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Ling-Tao Wang
- School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Yu Zhou
- School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Keqi Tang
- School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Ting Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan, 473061, China.
| | - Rongnan Yi
- Criminal Technology Department, Hunan Police Academy, Changsha, Hunan, 410138, China
| | - Wen-Ting Wei
- School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo, Zhejiang, 315211, China.
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4
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Zhang Z, Cai T, Zhan Z, Xu H, Yu L, Luo X, Li C, Gao Y, Wei X, Chen X, Shen R. Assembly of 5 H-dibenzo[ a, d]cycloheptenes by a formal [5 + 2] annulation of ortho-aryl alkynyl benzyl alcohols with arenes. Org Biomol Chem 2022; 20:7221-7225. [PMID: 36053155 DOI: 10.1039/d2ob01335e] [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 new synthetic methodology for the synthesis of 5H-dibenzo[a,d]cycloheptenes from ortho-aryl alkynyl benzyl alcohols and arenes via a Tf2O-mediated formal [5 + 2] annulation reaction has been achieved. From this transformation, structurally diverse 5H-dibenzo[a,d]cycloheptenes were achieved in moderate to good yields. This transformation probably involves an intermolecular Friedel-Crafts-type alkylation and a subsequent intramolecular 7-endo-dig cyclization in one pot, highlighting the high efficiency, regioselectivity, and step-economy of this protocol.
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Affiliation(s)
- Zhebing Zhang
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Tao Cai
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China. .,Zhejiang Engineering Research Center of Fat-Soluble Vitamin, China. .,College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Zhaohui Zhan
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Huiting Xu
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Lemao Yu
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Xiang Luo
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Chunmei Li
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Yuzhen Gao
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Xuemei Wei
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China.
| | - Xinzhi Chen
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Runpu Shen
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, China. .,Zhejiang Engineering Research Center of Fat-Soluble Vitamin, China.
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Raji Reddy C, Kolgave DH, Ajaykumar U, Ramesh R. Copper(II)-catalyzed oxidative ipso-annulation of N-arylpropiolamides and biaryl ynones with 1,3-diketones: construction of diketoalkyl spiro-trienones. Org Biomol Chem 2022; 20:6879-6889. [PMID: 35972321 DOI: 10.1039/d2ob01282k] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unprecedented copper-catalyzed ipso-annulation reaction of N-(p-methoxyaryl)propiolamides with 1,3-diketones has been developed, which enables the assembly of diketoalkylated spiro[4.5]trienones involving oxidative dearomatization in the presence of ammonium persulfate [(NH4)2S2O8] as the oxidant. This protocol was extended to biaryl ynones, efficiently affording the diketoalkylated spiro[5.5]trienones in good yields. The significance of the diketoalkyl functionality has been illustrated by further transformation into 3-pyrazoyl spiro-trienone, a structurally unique motif.
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Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Dattahari H Kolgave
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Uprety Ajaykumar
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Remya Ramesh
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
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Wang L, Zhang Y, Miao AQ, Zhang TS, Wang X, Hao WJ, Tu SJ, Jiang B. Nitrative bicyclization of 1,7-diynes for accessing skeletally diverse tricyclic pyrroles. Chem Commun (Camb) 2022; 58:4376-4379. [PMID: 35297437 DOI: 10.1039/d2cc00206j] [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 novel metal-free nitrative bicyclization of 1,7-diynes with tBuONO in the presence of H2O is reported, producing three types of skeletally diverse tricyclic pyrroles, namely pyrrolo[3,4-c]quinolines, chromeno[3,4-c]pyrroles and benzo[e]isoindoles, with moderate to good yields by simply tuning the linkers of the 1,7-diynes. This domino protocol demonstrates remarkable compatibility regarding 1,7-diynes with different linkers, such as nitrogen and oxygen atoms and a hydroxymethyl group, and tBuONO plays dual roles as a nitro precursor as well as a nitrogen atom source.
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Affiliation(s)
- Lu Wang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Yin Zhang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - An-Qi Miao
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Tian-Shu Zhang
- School of Materials and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, P. R. China.
| | - Xiang Wang
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian 223300, People's Republic of China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
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