1
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Choudhary K, Deshpande AS, Singh VK. Ag(I)-catalyzed asymmetric (2+4) annulation reaction of 5-alkenyl thiazolones: synthesis of enantioenriched spiro[cyclohexenamines-thiazolones]. Chem Commun (Camb) 2024. [PMID: 39101859 DOI: 10.1039/d4cc02957g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
The first metal-catalyzed (2+4) annulation of 5-alkenyl thiazolones and α,α-dicyanoalkylidenes has been developed via vinylogous Michael/cyclization/isomerization reaction. This (2+4) annulation reaction is catalyzed by a chiral Ag-(R)-DTBM-SEGPHOS catalyst, delivering enantioenriched spiro[cyclohexenamines-thiazolone] having contiguous quaternary and tertiary stereocenters in good to excellent yield (up to 80%) and excellent stereoselectivities (up to 97% ee and >20 : 1 dr). This methodology has high functional group tolerance and produces a broad range of enantioenriched products under mild reaction conditions.
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Affiliation(s)
- Kavita Choudhary
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, Uttar Pradesh, India.
| | | | - Vinod K Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, Uttar Pradesh, India.
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2
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Esteban A, Ortega P, Sanz F, Jambrina PG, Díez D. Crystallization-induced diastereomer transformation assists the diastereoselective synthesis of 4-nitroisoxazolidine scaffolds. Org Biomol Chem 2024. [PMID: 39083363 DOI: 10.1039/d4ob01014k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
This communication describes a solution to the vexing problem of synthesis of 4-nitroisoxazolidine rings from cyclic nitrones and β-nitrostyrenes. The trans-endo adduct 2 is quantitatively synthesised from E-β-nitrostyrene under mild conditions avoiding purification, while the trans-exo adduct 4 is obtained at higher temperatures. Furthermore, a Crystallization-Induced Diastereomer Transformation (CIDT) process was used to epimerise the NO2 bond from 2 to the cis-exo adduct 3 with total conversion assisted by the para-halogen substitution of the aromatic ring without any additives. By combining these approaches, we can establish a simple synthetic methodology that allows the diastereoselective synthesis of three diastereoisomers, overcoming the previous problems described in the literature.
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Affiliation(s)
- Alberto Esteban
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad de Salamanca. Plaza de los Caídos 1-5, 37008 Salamanca, Spain.
| | - Pablo Ortega
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad de Salamanca. Plaza de los Caídos 1-5, 37008 Salamanca, Spain
| | - Francisca Sanz
- Servicio de Difracción de Rayos X, Plataforma Nucleus, Universidad de Salamanca, Plaza de los Caídos 1-5, 37008 Salamanca, Spain
| | - Pablo G Jambrina
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad de Salamanca. Plaza de los Caídos 1-5, 37008 Salamanca, Spain
| | - David Díez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad de Salamanca. Plaza de los Caídos 1-5, 37008 Salamanca, Spain.
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3
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Vinod A, Mouli HMC, Pal P, Myrsing E, Naik VY, Ghosh H, Jana A. Sustainable Synthesis of Indole-Substituted Densely Functionalized Pyrrole. J Org Chem 2024; 89:1407-1416. [PMID: 38198637 DOI: 10.1021/acs.joc.3c01871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
A novel chromatography- and catalyst-free methodology has been developed for the synthesis of poly substituted pyrrole in good yields via a multicomponent reaction of arylglyoxal, 1,3-dicarbonyl, indole, and aromatic amine. This strategy provides various advantages such as simple experimental and workup procedures, mild reaction conditions, no added catalyst, use of green solvent, and simple purification procedure of pure product without using column chromatography. This green method offers a simple and highly effective strategy to synthesize a wide range of indole-pyrrole conjugates in a one-pot operation.
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Affiliation(s)
- Adithya Vinod
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Hajipur, Bihar, 844102, India
| | - H M Chandra Mouli
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Hajipur, Bihar, 844102, India
| | - Poulomi Pal
- Department of Chemistry, Surendranath College, Kolkata, 700009, India
| | - Efficiency Myrsing
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Hajipur, Bihar, 844102, India
| | - Vamkudoth Yaswanth Naik
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Hajipur, Bihar, 844102, India
| | - Harisadhan Ghosh
- Department of Chemistry, Surendranath College, Kolkata, 700009, India
| | - Anupam Jana
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Hajipur, Bihar, 844102, India
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4
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Lin CY, Huang WW, Huang YT, Dhole S, Barve IJ, Sun CM. Rh(III)-Catalyzed Switchable [4 + 1] and [4 + 2] Annulation of N-Aryl Pyrazolones with Maleimides: An Access to Spiro Pyrazolo[1,2- a]indazole-pyrrolidine and Fused Pyrazolopyrrolo Cinnolines. J Org Chem 2023; 88:3424-3435. [PMID: 36864685 DOI: 10.1021/acs.joc.2c02338] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
A rhodium(III)-catalyzed controllable [4 + 1] and [4 + 2] annulation of N-aryl pyrazolones with maleimides as C1 and C2 synthon has been explored for the synthesis of spiro[pyrazolo[1,2-a]indazole-pyrrolidines] and fused pyrazolopyrrolo cinnolines. The product selectivity was achieved through time-dependent annulation. The [4 + 1] annulation reaction involves sequential Rh(III)-catalyzed C-H alkenylation of N-aryl pyrazolone, followed by an intramolecular spirocyclization via aza-Michael-type addition to afford spiro[pyrazolo[1,2-a]indazole-pyrrolidine]. However, prolonged reaction time converts in situ formed spiro[pyrazolo[1,2-a]indazole-pyrrolidine] into fused pyrazolopyrrolocinnoline. This unique product formation switch proceeds via strain-driven ring expansion through a 1,2-shift of the C-C bond.
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Affiliation(s)
- Chih-Yu Lin
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Wan-Wen Huang
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Ying-Ti Huang
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Sandip Dhole
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Indrajeet J Barve
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC.,Department of Chemistry, MES Abasaheb Garware College, Pune 411004, Maharashtra, India
| | - Chung-Ming Sun
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC.,Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung 807-08, Taiwan, ROC
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5
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Bifunctional Squaramide‐Catalyzed Asymmetric [3+2] Annluation Reactions of 2‐Isothiocyanato‐1‐indanones with 2‐Arylidene‐1,3‐indanediones. ChemistrySelect 2022. [DOI: 10.1002/slct.202203142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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6
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Bagherinejad A, Alizadeh A. A review of the synthetic strategies toward spirobarbiturate-fused 3- to 7-membered rings. Org Biomol Chem 2022; 20:7188-7215. [PMID: 36070341 DOI: 10.1039/d2ob01326f] [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
Spiro-connected hexahydropyrimidine-2,4,6-trione heterocyclic rings have received increasing attention from the viewpoint of biological activity and synthetic methods due to the importance of the rigid heterocyclic system and unique orientation of the functional substituents. Since 1900, numerous studies have exploited the synthesis of various spirobarbiturate-fused carbo- and heterocycles by applying different strategies. Due to the importance of barbiturate-based olefins as activated alkenes, these substrates have been utilized in many reactions. In addition, the nucleophilic addition of 1,3-disubstituted barbituric acid to different electrophiles has been applied to prepare highly functionalized spirobarbiturate scaffolds. This short review highlights various strategies for synthesizing spirobarbiturate-fused 3- to 7-membered carbo- and heterocyclic rings and some catalytic diastereoselective and enantioselective chemical reactions to access chiral compounds. The sections are divided by the incorporation of 3- to 7-membered heterocyclic or carbocyclic rings into a spirobarbiturate scaffold, and are presented in different subsections depending on the mechanistic details.
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Affiliation(s)
- Akram Bagherinejad
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran.
| | - Abdolali Alizadeh
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran.
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7
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Settipalli PC, Anwar S. A triple cascade approach towards the diastereoselective synthesis of spiro trans-decalinol scaffolds. Chem Commun (Camb) 2022; 58:10400-10403. [PMID: 36039826 DOI: 10.1039/d2cc03562f] [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 [2+2+2] annulation reaction between cyclohexanone, β-nitrostyrene and 2-arylidene-1,3-indanedione afforded multisubstituted spiro trans-decalinol derivatives in high chemical yields (up to 75%) and excellent diastereoselectivity (up to >20 : 1) at room temperature. This one-pot three-component system follows a triple cascade sequence via the Michael/nitro-Michael/Aldol process, resulting in the formation of three C-C bonds, five contiguous stereocenters as well as a spiro quaternary carbon center.
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Affiliation(s)
- Poorna Chandrasekhar Settipalli
- Deparment of Chemistry, School of Applied Sciences and Humanities, Vignan's Foundation for Science Technology and Research-VFSTR (Deemed to be University), Vadlamudi-522 213, Guntur, Andhra Pradesh, India.
| | - Shaik Anwar
- Deparment of Chemistry, School of Applied Sciences and Humanities, Vignan's Foundation for Science Technology and Research-VFSTR (Deemed to be University), Vadlamudi-522 213, Guntur, Andhra Pradesh, India.
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8
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He G. Meet the Editorial Board Member. Anticancer Agents Med Chem 2022. [DOI: 10.2174/187152062213220601100200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Gu He
- Department of Dermatology and Venereology Sichuan University Chengdu P.R. China
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9
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Huang Y, Wei X, Bao X, Nawaz S, Qu J, Wang B. Asymmetric 1,3-dipolar cycloaddition of 4-aminopyrazolone-based azomethine ylides: a straightforward approach to spiropyrazolones. Org Chem Front 2022. [DOI: 10.1039/d2qo00426g] [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
The asymmetric [3+2] cycloaddition of 4-amino pyrazolone-derived azomethine ylides with α,β-enones has been established for the synthesis of 4-spiropyazolones derivatives with four contiguous stereocenters. This cycloaddition process delivered spiro[pyrrolidine-2,4’-pyrazolone] derivatives...
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10
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Babar K, Zahoor AF, Ahmad S, Akhtar R. Recent synthetic strategies toward the synthesis of spirocyclic compounds comprising six-membered carbocyclic/heterocyclic ring systems. Mol Divers 2021; 25:2487-2532. [PMID: 32696299 DOI: 10.1007/s11030-020-10126-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 07/07/2020] [Indexed: 12/12/2022]
Abstract
Spirocyclic compounds fascinate the synthetic chemists due to their privileged ring system and efficacy in drug discovery. Many natural compounds comprise spirocyclic moiety in their skeleton and are effective in pharmaceutical industry. Over the years, many synthetic methodologies have been established for the construction of spirocyclic compounds. In this review, recent synthetic approaches to accessing various spirocompounds comprising six-membered carbocycles/heterocycles have been summarized.
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Affiliation(s)
- Kashaf Babar
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Ameer Fawad Zahoor
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Sajjad Ahmad
- Department of Chemistry, University of Engineering and Technology, Faisalabad, 38000, Pakistan
| | - Rabia Akhtar
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
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11
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Medishetti N, Ittamalla C, Kale A, Nanubolu JB, Atmakur K. Base‐Promoted Synthetic Transformation of 4
H
‐Chromenes into Dihydrobenzofurans and Bispyrazolospirocyclopropanes via Intramolecular Cyclization. ChemistrySelect 2021. [DOI: 10.1002/slct.202102655] [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)
- Nagaraju Medishetti
- Fluoro & Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Chaitanya Ittamalla
- Fluoro & Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
| | - Ashok Kale
- Fluoro & Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Jagadeesh Babu Nanubolu
- Laboratory of X-ray Crystallography CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Krishnaiah Atmakur
- Fluoro & Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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12
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Zhang M, He XW, Xiong Y, Zuo X, Zhou W, Liu XL. Asymmetric construction of six vicinal stereogenic centers on hexahydroxanthones via organocatalytic one-pot reactions. Chem Commun (Camb) 2021; 57:6764-6767. [PMID: 34132270 DOI: 10.1039/d1cc02570h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Inspired by the chemistry and biology of hexahydroxanthones, herein we report an organocatalytic Michael-Michael-Aldol-decarboxylation reaction that provides efficient access to biologically interesting fully substituted hexahydroxanthones bearing six contiguous stereogenic centers from readily accessible materials in acceptable yields (up to 63%) and excellent stereoselectivities (up to 10 : 1 dr and >99% ee). In other words, the reaction efficiently produces three chemical bonds and up to six vicinal stereogenic centers in a one-pot operation. In particular, to our knowledge, this is an asymmetric organocatalytic strategy enabling the first construction of six vicinal stereogenic centers on non-spirocyclic hexahydroxanthone frameworks.
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Affiliation(s)
- Min Zhang
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Xue-Wen He
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Ya Xiong
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Xiong Zuo
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Wei Zhou
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Xiong-Li Liu
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
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13
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Mu J, Xie X, Xiong S, Zhang Y, Wang Y, Zhao Q, Zhu H, Huang W, He G. Discovery of spirooxindole–ferrocene hybrids as novel MDM2 inhibitors. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.01.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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14
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Liu X, Wang C, Wang X, Ma Z, Meng L, Ding D, Liu J, Chen Y. Synthesis of Spirobarbiturate Piperidin-2-one Derivatives via Cascade Aza-Michael/Michael Cyclization Reaction. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202105045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Wang W, Wei S, Bao X, Nawaz S, Qu J, Wang B. Enantioselective [3 + 2] annulation of 4-isothiocyanato pyrazolones and alkynyl ketones under organocatalysis. Org Biomol Chem 2021; 19:1145-1154. [DOI: 10.1039/d0ob02423f] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An asymmetric [3 + 2] annulation reaction of 4-isothiocyanato pyrazolones with alkynyl ketones is developed, providing expeditious access to spiro[pyrroline–pyrazolones].
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Affiliation(s)
- Wenyao Wang
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Shiqiang Wei
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Xiaoze Bao
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Shah Nawaz
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Jingping Qu
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
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Song YX, Du DM. Recent advances in the catalytic asymmetric reactions of thiazolone derivatives. Org Biomol Chem 2020; 18:6018-6041. [PMID: 32705096 DOI: 10.1039/d0ob01261k] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Thiazolones as a class of five-membered heterocyclic compounds containing both nitrogen and sulfur, have been proved to possess important biological activities. Because thiazolone molecules have many reaction sites, they can carry out a series of modification reactions, which makes them good reaction substrates for various molecular syntheses. In recent years, research on the use of asymmetric organocatalysis to construct thiazolone derivatives has attracted a lot of attention. Among these, some breakthrough results have been achieved in the asymmetric synthesis of thiazolone derivatives. This review highlights recent developments in thiazolone derivatives in asymmetric reactions, including Michael additions, Mannich reactions as well as various cascade reactions.
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Affiliation(s)
- Yong-Xing Song
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
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17
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Wang B, Peng F, Huang W, Zhou J, Zhang N, Sheng J, Haruehanroengra P, He G, Han B. Rational drug design, synthesis, and biological evaluation of novel chiral tetrahydronaphthalene-fused spirooxindole as MDM2-CDK4 dual inhibitor against glioblastoma. Acta Pharm Sin B 2020; 10:1492-1510. [PMID: 32963945 PMCID: PMC7488488 DOI: 10.1016/j.apsb.2019.12.013] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/17/2019] [Accepted: 12/12/2019] [Indexed: 02/08/2023] Open
Abstract
Simultaneous inhibition of MDM2 and CDK4 may be an effective treatment against glioblastoma. A collection of chiral spirocyclic tetrahydronaphthalene (THN)-oxindole hybrids for this purpose have been developed. Appropriate stereochemistry in THN-fused spirooxindole compounds is key to their inhibitory activity: selectivity differed by over 40-fold between the least and most potent stereoisomers in time-resolved FRET and KINOMEscan® in vitro assays. Studies in glioblastoma cell lines showed that the most active compound ent-4g induced apoptosis and cell cycle arrest by interfering with MDM2 -P53 interaction and CDK4 activation. Cells treated with ent-4g showed up-regulation of proteins involved in P53 and cell cycle pathways. The compound showed good anti-tumor efficacy against glioblastoma xenografts in mice. These results suggested that rational design, asymmetric synthesis and biological evaluation of novel tetrahydronaphthalene fused spirooxindoles could generate promising MDM2-CDK4 dual inhibitors in glioblastoma therapy.
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18
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Huang A, Guo X, Li P, Li W. Recent Advances in Catalytic Asymmetric Reactions of Thiazolones, Rhodanines and Their Derivatives. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000592] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Anqi Huang
- Department of Medicinal ChemistrySchool of PharmacyQingdao University 38 Dengzhou Road Qingdao Shandong 266021 People's Republic of China
| | - Xing Guo
- Department of ChemistryCollege of ScienceSouthern University of Science and Technology 1088 Xueyuan Blvd., Nanshan District Shenzhen Guangdong 518055 People's Republic of China
| | - Pengfei Li
- Department of ChemistryCollege of ScienceSouthern University of Science and Technology 1088 Xueyuan Blvd., Nanshan District Shenzhen Guangdong 518055 People's Republic of China
- Shenzhen Key Laboratory of Marine Archaea Geo-OmicsSouthern University of Science and Technology
| | - Wenjun Li
- Department of Medicinal ChemistrySchool of PharmacyQingdao University 38 Dengzhou Road Qingdao Shandong 266021 People's Republic of China
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19
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Wang M, Tseng P, Chi W, Suresh S, Edukondalu A, Chen Y, Lin W. Diversity‐Oriented Synthesis of Spirocyclohexene Indane‐1,3‐diones and Coumarin‐Fused Cyclopentanes via an Organobase‐Controlled Cascade Reaction. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000597] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Min Wang
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
| | - Ping‐Yao Tseng
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
| | - Woei‐Jye Chi
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
| | - Sundaram Suresh
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
| | - Athukuri Edukondalu
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
| | - Yi‐Ru Chen
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
| | - Wenwei Lin
- Department of ChemistryNational Taiwan Normal University, 88, Sec. 4 Tingchow Road Taipei 11677 Taiwan
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20
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Li X, Ren B, Xie X, Tian Z, Chen FY, Gamble AB, Han B. Regiodivergent synthesis of aza-quaternary carbon derivatives from pyrazolinone ketimines and 1,2-dihydroquinolines. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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21
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Chen C, Jiang L, Zhang M, Pan X, Peng C, Huang W, Jiang Q. Isodunnianol alleviates doxorubicin-induced myocardial injury by activating protective autophagy. Food Funct 2020; 10:2651-2657. [PMID: 31025676 DOI: 10.1039/c9fo00063a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recurrent cardiotoxicity limits the clinical application of doxorubicin (DOX); however the detailed molecular mechanism of DOX cardiotoxicity remains unclear. In the current study, we found that a natural product extracted from Illicium verum, isodunnianol (IDN), mitigates DOX-induced cardiotoxicity by regulating autophagy and apoptosis both in vitro and in vivo. DOX suppressed protective autophagy and induced apoptosis in H9C2 cardiac myoblasts. Additionally, IDN demonstrated up-regulated autophagy and reduced apoptosis through the activation of the AMPK-ULK1 pathway. In addition, the beneficial effects of IDN on DOX which induced myocardial injury were dependent on AMPK and ULK1 phosphorylation. Similar results were also observed in a DOX-induced cardiotoxicity rat model. The combination of IDN and DOX resulted in decreased apoptosis and inflammatory myocardial fibrosis compared to the DOX mono-treatment group. In summary, our findings provide novel insights into the prevention of DOX-related toxicity by isodunnianol, a food source natural product, warranting further investigation.
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Affiliation(s)
- Can Chen
- The First Affiliated Hospital, Sichuan Province College Key Laboratory of Structure-Specific Small Molecule Drugs, School of Pharmacy, Chengdu Medical College, Chengdu 610500, China.
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22
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Luo W, Shao B, Li J, Xiao X, Song D, Ling F, Zhong W. Construction of spirooxindole-fused spiropyrazolones containing contiguous three stereogenic centres via [3 + 2] annulation utilizing a ferrocene derived bifunctional phosphine catalyst. Org Chem Front 2020. [DOI: 10.1039/d0qo00140f] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Regional and stereoselective construction of spirooxindole-fused spiropyrazolones containing contiguous three stereogenic centres via [3 + 2] annulation catalyzed by ferrocene derived bifunctional phosphine.
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Affiliation(s)
- Wenjun Luo
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Bingxuan Shao
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Jingyi Li
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Xiao Xiao
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Dingguo Song
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Fei Ling
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Weihui Zhong
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
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23
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Li Y, Zhang Z. Computational study on NHC catalyzed [4+2] annulation between γ-chloroenals and pyrazolinones: mechanism and stereoselectivity. NEW J CHEM 2020. [DOI: 10.1039/d0nj01499k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Mechanisms and origins of stereoselectivity of NHC-catalyzed reaction between γ-chloroenal and α-arylidene pyrazolinone.
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Affiliation(s)
- Yan Li
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan 114051
- P. R. China
| | - Zhiqiang Zhang
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan 114051
- P. R. China
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24
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Song YX, Lin Y, Yan L, Du DM. An organocatalytic domino Michael addition strategy: construction of bispiro[oxindole-thiazolidinone-hexahydroxanthone]s with five contiguous stereocenters. Org Biomol Chem 2020; 18:7373-7378. [DOI: 10.1039/d0ob01613f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
An efficient squaramide-catalyzed domino Michael addition for the stereoselective synthesis of bispiro[oxindole-thiazolidinone-hexahydroxanthone]s in good to excellent yields with excellent stereoselectivities was developed.
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Affiliation(s)
- Yong-Xing Song
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
| | - Ye Lin
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
| | - Li Yan
- Analytical and Testing Center
- Beijing Institute of Technology
- Liangxiang Campus
- Beijing 102488
- People's Republic of China
| | - Da-Ming Du
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
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25
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Das S. Annulations involving 2-arylidene-1,3-indanediones: stereoselective synthesis of spiro- and fused scaffolds. NEW J CHEM 2020. [DOI: 10.1039/d0nj03968c] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Stereoselective annulations of 2-arylidene-1,3-indanediones towards spiro-carbocycles as well as spiro/fused heterocycles based on various cycloadditions and tandem annulations are described.
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Affiliation(s)
- Suven Das
- Department of Chemistry
- Rishi Bankim Chandra College for Women
- India
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26
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Duan J, Mao Y, Zhang L, Zhu N, Fang Z, Guo K. Copper‐Catalyzed [3+2] Annulation of 2‐Arylidene‐1,3‐Indandiones with N‐Acetyl Enamides for the Synthesis of Spiropyrrolines. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901333] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jindian Duan
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816 China
| | - Yiyang Mao
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816 China
| | - Lei Zhang
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816 China
| | - Ning Zhu
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816 China
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816 China
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816 China
- State Key Laboratory of Materials-Oriented Chemical Engineering Nanjing Tech University 30 Puzhu Rd S. Nanjing 211816 China
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27
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Facile catalyst-free synthesis of perfluoroalkylated cis-spiropyrimidine-5,1′-quinolizines and pyrano[2,3-d]pyrimidines. J Fluor Chem 2019. [DOI: 10.1016/j.jfluchem.2019.109411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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28
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Xie X, Xiang L, Peng C, Han B. Catalytic Asymmetric Synthesis of Spiropyrazolones and their Application in Medicinal Chemistry. CHEM REC 2019; 19:2209-2235. [PMID: 30821425 DOI: 10.1002/tcr.201800199] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/11/2019] [Accepted: 02/11/2019] [Indexed: 01/24/2023]
Abstract
Chiral spiropyrazolones are unique frameworks widely found in a large family of medicinally relevant compounds with various biological activities. Substantial research efforts have been invested toward stereoselectively by constructing spiro-cyclic structures. Over the past years, remarkable progress has been made in the organo- and metal-catalyzed asymmetric synthesis of spiropyrazolones through the utilization of accessible simple pyrazolone derivatives as raw materials. This review is organized according to the size of the spiro-ring fused at the 4-position of the pyrazolone framework. In the last part, the bio-evaluations of chiral spiropyrazolones for drug discovery are summarized.
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Affiliation(s)
- Xin Xie
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Li Xiang
- State Key Laboratory of Southwestern Chinese Medicine Resource, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Cheng Peng
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,State Key Laboratory of Southwestern Chinese Medicine Resource, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Bo Han
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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29
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An T, Du D. Chiral Squaramide Catalyzed Asymmetric [3+2] Cycloaddition Reaction for Synthesis of Trifluoromethylated Barbituric Acid Derivatives. ChemistrySelect 2019. [DOI: 10.1002/slct.201903146] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Tian‐Li An
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology 5 South Zhongguancun Street Beijing 100081 P. R. China
| | - Da‐Ming Du
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology 5 South Zhongguancun Street Beijing 100081 P. R. China
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30
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Luo W, Shao B, Li J, Song D, Yi X, Ling F, Zhong W. Divergent synthesis of spirocyclopentene-pyrazolones and pyrano[2,3-c]-pyrazoles via Lewis base controlled annulation reactions. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151206] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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31
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Zhao C, Shi K, He G, Gu Q, Ru Z, Yang L, Zhong G. NHC-Catalyzed Asymmetric Formal [4 + 2] Annulation To Construct Spirocyclohexane Pyrazolone Skeletons. Org Lett 2019; 21:7943-7947. [DOI: 10.1021/acs.orglett.9b02927] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chengtao Zhao
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Kuangxi Shi
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Gao He
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Qingxiu Gu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Zhenyuan Ru
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Limin Yang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
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32
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Li X, Chen FY, Kang JW, Zhou J, Peng C, Huang W, Zhou MK, He G, Han B. Stereoselective Assembly of Multifunctional Spirocyclohexene Pyrazolones That Induce Autophagy-Dependent Apoptosis in Colorectal Cancer Cells. J Org Chem 2019; 84:9138-9150. [PMID: 31267754 DOI: 10.1021/acs.joc.9b01098] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xiang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fei-Yu Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jing-Wen Kang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jin Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Mu-Ke Zhou
- State Key Laboratory of Biotherapy and Department of Dermatology, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Gu He
- State Key Laboratory of Biotherapy and Department of Dermatology, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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33
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Zhang M, Jiang L, Tao J, Pan Z, He M, Su D, He G, Jiang Q. Design, synthesis and biological evaluation of 4-aniline-thieno[2,3-d]pyrimidine derivatives as MNK1 inhibitors against renal cell carcinoma and nasopharyngeal carcinoma. Bioorg Med Chem 2019; 27:2268-2279. [DOI: 10.1016/j.bmc.2019.04.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/10/2019] [Accepted: 04/14/2019] [Indexed: 02/07/2023]
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34
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Zhou Y, You Y, Wang ZH, Zhang XM, Xu XY, Yuan WC. Organocatalyzed Enantioselective Decarboxylative Mannich Reaction of β-Ketoacids with Pyrazolinone Ketimines for the Construction of Chiral β-Amino Ketone-Pyrazolinone Derivatives. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900346] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yang Zhou
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
- Chengdu Institute of Organic Chemistry; University of Chinese Academy of Sciences; 100049 Beijing China
| | - Yong You
- Institute for Advanced Study; Chengdu Institute of Organic Chemistry; Chengdu University; 610106 Chengdu China
| | - Zhen-Hua Wang
- Institute for Advanced Study; Chengdu Institute of Organic Chemistry; Chengdu University; 610106 Chengdu China
| | - Xiao-Mei Zhang
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
| | - Xiao-Ying Xu
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
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35
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Zhou J, Wang B, He XH, Liu L, Wu J, Lu J, Peng C, Rao CL, Han B. Asymmetric Construction of 4H-Pyrano[3,2-b]indoles via Cinchonine-Catalyzed 1,4-Addition of 2-Ylideneoxindole with Malononitrile. J Org Chem 2019; 84:5450-5459. [DOI: 10.1021/acs.joc.9b00430] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jin Zhou
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Biao Wang
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Xiang-Hong He
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Li Liu
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Jun Wu
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Jing Lu
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Cheng Peng
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Chao-Long Rao
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Bo Han
- Key laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy and School of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
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36
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Song YX, Du DM. Asymmetric synthesis of highly functionalized spirothiazolidinone tetrahydroquinolines via a squaramide-catalyzed cascade reaction. Org Biomol Chem 2019; 16:9390-9401. [PMID: 30500040 DOI: 10.1039/c8ob02731e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A bifunctional squaramide-catalyzed asymmetric cascade aza-Michael/Michael addition reaction for the synthesis of chiral spirothiazolidinone tetrahydroquinolines with three contiguous stereocenters has been developed. This cascade reaction proceeded well under mild conditions, and afforded the desired products in high to excellent yields (up to >99% yield) with excellent diastereoselectivities (>25 : 1 dr) and high enantioselectivities (up to 96% ee). More importantly, both the amplification and the derivation experiments do not affect the stereoselectivity.
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Affiliation(s)
- Yong-Xing Song
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing 100081, P. R. China.
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37
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He X, Ji Y, Peng C, Han B. Organocatalytic Asymmetric Synthesis of Cyclic Compounds Bearing a Trifluoromethylated Stereogenic Center: Recent Developments. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801647] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xiang‐Hong He
- State Key Laboratory of Southwestern Chinese Medicine ResourcesChengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
| | - Yan‐Ling Ji
- State Key Laboratory of Southwestern Chinese Medicine ResourcesChengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine ResourcesChengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
- Ministry of Education Key Laboratory of Standardization of Chinese Medicine, School of PharmacyChengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine ResourcesChengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
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38
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Sun BB, Zhang JQ, Chen JB, Fan WT, Yu JQ, Hu JM, Wang XW. Stereoselective synthesis of spirocyclohexadiene-pyrazolones via organic base and/or hydrogen bonding assisted [3 + 3] annulation reactions. Org Chem Front 2019. [DOI: 10.1039/c8qo01391h] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A DABCO and a chiral hydrogen bonding-assisted catalyzed [3 + 3] cycloaddition of α-arylidene pyrazolinones and 2-benzylidenemalononitriles provided spirocyclohexadiene-pyrazolones with all-carbon quaternary centers in good yields with excellent ees and moderate to high drs.
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Affiliation(s)
- Bing-Bing Sun
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Jun-Qi Zhang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Jun-Bo Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Wei-Tai Fan
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Jie-Qiang Yu
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Jia-Ming Hu
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Xing-Wang Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
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39
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Liu XL, Zuo X, Wang JX, Chang SQ, Wei QD, Zhou Y. A bifunctional pyrazolone–chromone synthon directed organocatalytic double Michael cascade reaction: forging five stereocenters in structurally diverse hexahydroxanthones. Org Chem Front 2019. [DOI: 10.1039/c9qo00265k] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The merging of two or more known natural product-based scaffolds is a powerful and routine strategy to develop bioactive small molecules.
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Affiliation(s)
- Xiong-Li Liu
- College of Pharmaceutical Sciences
- Guizhou University of Chinese Medicine
- Guiyang
- P. R. China
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
| | - Xiong Zuo
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Jun-Xin Wang
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Shun-qin Chang
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Qi-Di Wei
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Ying Zhou
- College of Pharmaceutical Sciences
- Guizhou University of Chinese Medicine
- Guiyang
- P. R. China
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40
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Chu MM, Qi SS, Wang YF, Wang B, Jiang ZH, Xu DQ, Xu ZY. Organocatalytic asymmetric [4 + 1] annulation of in situ generated ortho-quinomethanes with 4-halo pyrazolones: straightforward access to chiral spiro-benzofuran pyrazolones. Org Chem Front 2019. [DOI: 10.1039/c9qo00332k] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Asymmetric [4 + 1] annulation of ortho-quinomethanes with 4-halo pyrazolones was developed to construct spiro-benzofuran pyrazolones.
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Affiliation(s)
- Ming-Ming Chu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Suo-Suo Qi
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Yi-Feng Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Biao Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Zhen-Hui Jiang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Dan-Qian Xu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Zhen-Yuan Xu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
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41
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Chu MM, Qi SS, Ju WZ, Wang YF, Chen XY, Xu DQ, Xu ZY. Asymmetric organocatalytic conjugated addition of pyrazolin-5-ones to ortho-quinomethanes: construction of vicinal tertiary and all-carbon quaternary stereocenters. Org Chem Front 2019. [DOI: 10.1039/c9qo00011a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An organocatalytic conjugated addition of pyrazolin-5-ones to ortho-quinomethanes was developed to construct the vicinal tertiary and all-carbon quaternary stereocenters.
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Affiliation(s)
- Ming-Ming Chu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Suo-Suo Qi
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Wan-Zhen Ju
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Yi-Feng Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Xue-Yang Chen
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Dan-Qian Xu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
| | - Zhen-Yuan Xu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Department of Green Chemistry and Technology
- Zhejiang University of Technology
- Hangzhou 310014
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42
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Ji YL, Li HP, Ai YY, Li G, He XH, Huang W, Huang RZ, Han B. Enantio- and diastereoselective synthesis of spiropyrazolones via an organocatalytic [1 + 2 + 3] multicomponent reaction. Org Biomol Chem 2019; 17:9217-9225. [DOI: 10.1039/c9ob01927h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An asymmetric catalytic [1 + 2 + 3] multicomponent reaction of malononitrile, benzaldehyde and α-arylidene pyrazolinones to produce spiropyrazolones in high yields, with excellent enantioselectivities and good diastereoselectivities.
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Affiliation(s)
- Yan-Ling Ji
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - He-Ping Li
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - Yue-Yan Ai
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - Guo Li
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - Xiang-Hong He
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - Rui-Zhen Huang
- Hospital of Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu
- China
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43
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Kang JW, Li X, Chen FY, Luo Y, Zhang SC, Kang B, Peng C, Tian X, Han B. Protecting group-directed annulations of tetra-substituted oxindole olefins and sulfur ylides: regio- and chemoselective synthesis of cyclopropane- and dihydrofuran-fused spirooxindoles. RSC Adv 2019; 9:12255-12264. [PMID: 35515867 PMCID: PMC9063500 DOI: 10.1039/c9ra02192b] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 04/10/2019] [Indexed: 12/21/2022] Open
Abstract
Protecting group-controlled regio- and chemoselective synthesis of cyclopropane- and dihydrofuran-fused spirooxindoles containing vicinal quaternary carbon centers.
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Affiliation(s)
- Jing-Wen Kang
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Xiang Li
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Fei-Yu Chen
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Yuan Luo
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Shu-Cang Zhang
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Bin Kang
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Cheng Peng
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
| | - Xu Tian
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease
- School of Pharmaceutical Sciences & the Fifth Affiliated Hospital
- Guangzhou Medical University
- Guangzhou 511436
- P. R. China
| | - Bo Han
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- P. R. China
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44
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Zhang X, Huang QF, Zou WL, Li QZ, Feng X, Jia ZQ, Liu Y, Li JL, Wang QW. Synthetic approach to skeletally diverse nitrogen heterocycles from dicyano-2-methylenebut-3-enoates. Org Chem Front 2019. [DOI: 10.1039/c9qo00509a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Divergent synthesis of three types of azaheterocycles, including vinylaziridines, pyrroline and 2-aminopyridines, has been achieved through [2 + 1], formal-[4 + 1] and [5 + 1] annulations.
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Affiliation(s)
- Xiang Zhang
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
| | - Qing-Fei Huang
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
- University of Chinese Academy of Sciences
| | - Wen-Lin Zou
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- PR China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- PR China
| | - Xin Feng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- PR China
| | - Zhi-Qiang Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- PR China
| | - Yue Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- PR China
| | - Jun-Long Li
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
| | - Qi-Wei Wang
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
- University of Chinese Academy of Sciences
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45
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Chang SQ, Zou X, Gong Y, He XW, Liu XL, Zhou Y. Stereocontrolled construction of six vicinal stereogenic centers on a hexahydroxanthone framework through a formal [2+1+3] annulation. Chem Commun (Camb) 2019; 55:14003-14006. [DOI: 10.1039/c9cc08101a] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The first example of a bifunctional donor–donor 3C synthon formed in situ from an activated methine with nitromethane through a [2+1] Michael addition, further directing a one-pot organocascade Michael/Henry cycloaddition was developed.
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Affiliation(s)
- Shun-Qin Chang
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Xiong Zou
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Yi Gong
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
- College of Pharmaceutical Sciences
| | - Xue-Wen He
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Xiong-Li Liu
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Ying Zhou
- College of Pharmaceutical Sciences
- Guizhou University of Traditional Chinese Medicine
- Guiyang
- P. R. China
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46
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Franc M, Urban M, Císařová I, Veselý J. Highly enantioselective addition of sulfur-containing heterocycles to isatin-derived ketimines. Org Biomol Chem 2019; 17:7309-7314. [DOI: 10.1039/c9ob01338e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In this study, we report a highly stereoselective addition of sulfur-containing heterocyclic compounds to isatin-derived ketimines efficiently catalyzed by cinchonidine-derived bifunctional tertiary aminothiourea (1 mol%).
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Affiliation(s)
- Michael Franc
- Department of Organic Chemistry
- Charles University
- 12843 Prague
- Czech Republic
| | - Michal Urban
- Department of Organic Chemistry
- Charles University
- 12843 Prague
- Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry
- Charles University
- 12843 Prague
- Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry
- Charles University
- 12843 Prague
- Czech Republic
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47
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First diastereoselective synthesis of perfluoroalkylated cis-spiropyrido[2,1-a]isoquinoline-1,5’-pyrimidines. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2018.09.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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48
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Meninno S, Mazzanti A, Lattanzi A. Asymmetric Synthesis of Pyrazolone Fused Spirocyclohexeneimines via a Vinylogous Michael/Cyclization Cascade Reaction. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801337] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Sara Meninno
- Dipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II 132, I- 84084 Fisciano Italy
| | - Andrea Mazzanti
- Dipartimento di Chimica Industriale “Toso Montanari”Università di Bologna V. Risorgimento 4, I- 40136 Bologna Italy
| | - Alessandra Lattanzi
- Dipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II 132, I- 84084 Fisciano Italy
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49
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Li JL, Dai QS, Yang KC, Liu Y, Zhang X, Leng HJ, Peng C, Huang W, Li QZ. Construction of Azepino[2,3-b]indole Core via Sulfur Ylide Mediated Annulations. Org Lett 2018; 20:7628-7632. [DOI: 10.1021/acs.orglett.8b03363] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Qing-Song Dai
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Kai-Chuan Yang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Yue Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Xiang Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Hai-Jun Leng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Cheng Peng
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wei Huang
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
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50
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Liu YQ, Li QZ, Zhu HP, Feng X, Peng C, Huang W, Li JL, Han B. Direct Sulfide-Catalyzed Diastereoselective [4+1] Annulations of ortho-Quinone Methides and Bromides. J Org Chem 2018; 83:12753-12762. [DOI: 10.1021/acs.joc.8b02189] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yan-Qing Liu
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, People’s Republic of China
| | - Hong-Ping Zhu
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, People’s Republic of China
| | - Xin Feng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, People’s Republic of China
| | - Cheng Peng
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
| | - Wei Huang
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
| | - Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, People’s Republic of China
| | - Bo Han
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
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