1
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Thuy Le H, Vu YT, Duong GH, Le TKD, Dang MK, Pham DD, Pham NKT, Sichaem J, Nguyen NH, Duong TH. Bio-Guided Isolation of Alpha-Glucosidase Inhibitory Compounds from Vietnamese Lichen Roccella Montagnei. Chem Biodivers 2024; 21:e202400438. [PMID: 38581153 DOI: 10.1002/cbdv.202400438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/30/2024] [Accepted: 04/04/2024] [Indexed: 04/08/2024]
Abstract
A bio-guided isolation was applied to the Vietnamese lichen Roccella montagnei based on alpha-glucosidase inhibition. Six compounds were isolated and structurally elucidated, including a new ortho depside, montagneside A (1), together with five known compounds, sekikaic acid (2), lanost-7-en-3β-ol (3), ethyl orsellinate (4), D-montagnetol (5), and D-erythrin (6). Their chemical structures were identified by extensive 1D and 2D NMR analysis, high-resolution mass spectroscopy, and comparisons with those reported in the literature. D-Erythrin (6), a major component, was selected for further modification using Smiles rearrangement. Three erythritol derivatives 6a-6c were synthesized. Compounds 1-3, 6, and 6a-6c were evaluated for alpha-glucosidase inhibition. Compounds 2 and 6a-6c showed significant alpha-glucosidase inhibition with IC50 values ranging from 7.9 to 149 μM, respectively. Molecular docking was applied to the most active compound 6a to clarify the inhibitory mechanism.
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Affiliation(s)
- Huong Thuy Le
- Faculty of Pharmacy, Ton Duc Thang University, 700000, Ho Chi Minh City, Vietnam
| | - Y Thien Vu
- Faculty of Pharmacy, Ton Duc Thang University, 700000, Ho Chi Minh City, Vietnam
| | - Gia-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, 700000, Ho Chi Minh City, Vietnam
| | - Thi-Kim-Dung Le
- Faculty of Pharmacy, Ton Duc Thang University, 700000, Ho Chi Minh City, Vietnam
| | - Minh-Khai Dang
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, 700000, Ho Chi Minh City, Vietnam
| | - Duc-Dung Pham
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, 700000, Ho Chi Minh City, Vietnam
| | - Nguyen-Kim-Tuyen Pham
- Faculty of Environment, Sai Gon University, 273 An Duong Vuong, Ward 3, District 5, 700000, Ho Chi Minh City, Vietnam
| | - Jirapast Sichaem
- Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology, Thammasat University, Lampang Campus, 52190, Lampang, Thailand
| | - Ngoc-Hong Nguyen
- CirTech Institute, HUTECH University, 475 A Dien Bien Phu Street, Binh Thanh District, 700000, Ho Chi Minh City, Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, 700000, Ho Chi Minh City, Vietnam
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2
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Das S, Pradhan TK, Samanta R. Recent Progress on Transition Metal Catalyzed Macrocyclizations Based on C-H Bond Activation at Heterocyclic Scaffolds. Chem Asian J 2024:e202400397. [PMID: 38924294 DOI: 10.1002/asia.202400397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 06/19/2024] [Accepted: 06/22/2024] [Indexed: 06/28/2024]
Abstract
Macrocycles are essential in protein-protein interactions and the preferential intake of bioactive scaffolds. Macrocycles are commonly synthesized by late-stage macrolactonizations, macrolactamizations, transition metal-catalyzed ring-closing metathesis, S-S bond-forming reactions, and copper-catalyzed alkyne-azide cycloaddition. Recently, transition metal-catalyzed C-H activation strategies have gained significant interest among chemists to synthesize macrocycles. This article provides a comprehensive overview of the transition metal-catalyzed macrocyclization via C-H bond functionalization of heterocycle-containing peptides, annulations, and heterocycle-ring construction through direct C-H bond functionalization. In the first part, palladium salt catalyzed coupling with indolyl C(sp3)-H and C(sp2)-H bonds for macrocyclization is reported. The second part summarizes rhodium-catalyzed macrocyclizations via site-selective C-H bond functionalization. Earth-abundant, less toxic 3d metal salt Mn-catalyzed cyclizations are reported in the latter part. This summary is expected to spark interest in emerging methods of macrocycle production among organic synthesis and chemical biology practitioners, helping to develop the discipline. We hope that this mini-review will also inspire synthetic chemists to explore new and broadly applicable C-C bond-forming strategies for macrocyclization via intramolecular C-H activation.
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Affiliation(s)
- Sarbojit Das
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Tapan Kumar Pradhan
- Department of Chemistry, Krishnath College Berhampore, Murshidabad, West Bengal, 742101
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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3
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Guo Y, Wang M, Gao Y, Liu G. Recent advances in asymmetric synthesis of chiral amides and peptides: racemization-free coupling reagents. Org Biomol Chem 2024; 22:4420-4435. [PMID: 38775347 DOI: 10.1039/d4ob00563e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Over past decades, chiral amides and peptides have emerged as powerful and versatile compounds due to their various biological activities and interesting molecular architectures. Although some chiral condensation reagents have been applied successfully for their synthesis, the introduction of racemization-free methods of amino acid activation have shown lots of advantages in terms of their low cost and low toxicity. In this review, advancements in amide and peptide synthesis using racemization-free coupling reagents over the last 10 years are summarized. Various racemization-free coupling reagents have been applied in the synthesis of enantioselective amides and peptides, including ynamides, allenones, HSi[OCH(CF3)2]3, Ta(OMe)5, Nb(OEt)5, Ta(OEt)5, TCFH-NMI, water-removable ynamides, DBAA, DATB, o-NosylOXY, TCBOXY, Boc-Oxyma, NDTP, 9-silafluorenyl dichlorides, the Mukaiyama reagent, EDC and T3P. The racemization-free reagents described in this review provide an alternative greener option for the asymmetric synthesis of chiral amides and peptides. We hope that this review will inspire further studies and developments in this field.
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Affiliation(s)
- Yanyan Guo
- Department of Chemistry and Chemical Engineering, Inner Mongolia University, 24 Zhaojun Road, Hohhot 010030, China.
| | - Meiyu Wang
- Department of Chemistry and Chemical Engineering, Inner Mongolia University, 24 Zhaojun Road, Hohhot 010030, China.
| | - Yuan Gao
- Xi'An Renalysis Medical Technology Co., Ltd, 2 Qinling Avenue West, Caotang Science and Technology Industrial Base, Xi'an 710311, China
| | - Guodu Liu
- Department of Chemistry and Chemical Engineering, Inner Mongolia University, 24 Zhaojun Road, Hohhot 010030, China.
- Inner Mongolia Academy of Science and Technology, 2 Shandan Street, Hohhot 010010, China
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4
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Yasui S, Banjo S, Nagashima Y, Okada Y, Yoshikawa K, Nakata K, Chida N, Okamura T, Sato T. Total Synthesis of Lobatamides A and C. Angew Chem Int Ed Engl 2024; 63:e202402335. [PMID: 38454885 DOI: 10.1002/anie.202402335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 03/09/2024]
Abstract
The total synthesis of lobatamides A (1 a) and C (1 c) via a common bislactone intermediate is reported. The allylic aryl moiety including a trisubstituted Z-olefin was constructed by hydroboration of a 1,1-disubstituted allene and subsequent Migita-Kosugi-Stille coupling. Although the seco acid proved to be highly unstable even in the presence of weak bases, Zhao macrolactonization under acidic conditions via the α-acyloxyenamide successfully provided the common bislactone intermediate. Hydrozirconation-iodination of the terminal alkyne and subsequent copper-mediated coupling with primary amides proceeded successfully in the presence of the sensitive bislactone framework. The developed synthetic route enables the late-stage installation of enamide side chains, which are crucial structures for V-ATPase inhibition.
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Affiliation(s)
- Soichiro Yasui
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Shona Banjo
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Yoshiyuki Nagashima
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Yuto Okada
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Kao Yoshikawa
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Keisuke Nakata
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Noritaka Chida
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Toshitaka Okamura
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Takaaki Sato
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
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5
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Hu L, Zhao J. Ynamide Coupling Reagents: Origin and Advances. Acc Chem Res 2024; 57:855-869. [PMID: 38452397 PMCID: PMC10956395 DOI: 10.1021/acs.accounts.3c00743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 03/09/2024]
Abstract
Since the pioneering work of Curtius and Fischer, chemical peptide synthesis has witnessed a century's development and evolved into a routine technology. However, it is far from perfect. In particular, it is challenged by sustainable development because the state-of-the-art of peptide synthesis heavily relies on legacy reagents and technologies developed before the establishment of green chemistry. Over the past three decades, a broad range of efforts have been made for greening peptide synthesis, among which peptide synthesis using unprotected amino acid represents an ideal and promising strategy because it does not require protection and deprotection steps. Unfortunately, C → N peptide synthesis employing unprotected amino acids has been plagued by undesired polymerization, while N → C inverse peptide synthesis with unprotected amino acids is retarded by severe racemization/epimerization owing to the iterative activation and aminolysis of high racemization/epimerization susceptible peptidyl acids. Consequently, there is an urgent need to develop innovative coupling reagents and strategies with novel mechanisms that can address the long-standing notorious racemization/epimerization issue of peptide synthesis.This Account will describe our efforts in discovery of ynamide coupling reagents and their application in greening peptide synthesis. Over an eight-year journey, ynamide coupling reagents have evolved into a class of general coupling reagents for both amide and ester bond formation. In particular, the superiority of ynamide coupling reagents in suppressing racemization/epimerization enabled them to be effective for peptide fragment condensation, and head-to-tail cyclization, as well as precise incorporation of thioamide substitutions into peptide backbones. The first practical inverse peptide synthesis using unprotected amino acids was successfully accomplished by harnessing such features and taking advantage of a transient protection strategy. Ynamide coupling reagent-mediated ester bond formation enabled efficient intermolecular esterification and macrolactonization with preservation of α-chirality and the configuration of the conjugated α,β-C-C double bond. To make ynamide coupling reagents readily available with reasonable cost and convenience, we have developed a scalable one-step synthetic method from cheap starting materials. Furthermore, a water-removable ynamide coupling reagent was developed, offering a column-free purification of the target coupling product. In addition, the recycle of ynamide coupling reagent was accomplished, thereby paving the way for their sustainable industrial application.As such, this Account presents the whole story of the origin, mechanistic insights, preparation, synthetic applications, and recycle of ynamide coupling reagents with a perspective that highlights their future impact on peptide synthesis.
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Affiliation(s)
- Long Hu
- Affiliated Cancer Hospital, Guangdong
Provincial Key Laboratory of Major Obstetric Diseases, School of Pharmaceutical
Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Junfeng Zhao
- Affiliated Cancer Hospital, Guangdong
Provincial Key Laboratory of Major Obstetric Diseases, School of Pharmaceutical
Sciences, Guangzhou Medical University, Guangzhou, 511436, China
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6
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Zhuo SY, Ye JL, Zheng X. Copper-catalyzed room-temperature cross-dehydrogenative coupling of secondary amides with terminal alkynes: a chemoselective synthesis of ynamides. Org Biomol Chem 2024; 22:1299-1309. [PMID: 38259138 DOI: 10.1039/d3ob02032k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
A copper-catalyzed aerobic oxidative cross-dehydrogenative coupling reaction between secondary amides and terminal alkynes has been developed. With the aid of ligands and 3 Å molecular sieves, ynamides can be efficiently synthesized at room temperature and conveniently scaled up. A legitimate mechanism involving nitrogen-centred radicals and copper trivalent intermediates has been proposed.
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Affiliation(s)
- Shuang-Yan Zhuo
- Xiamen Key Laboratory of Chiral Drugs, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China.
| | - Jian-Liang Ye
- Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China.
| | - Xiao Zheng
- Xiamen Key Laboratory of Chiral Drugs, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China.
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7
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Wei L, Xiao X, Cai M. Recyclable gold(I)-catalyzed heterocyclization of ynamides with benzyl or indolyl azides towards 2-aminoindoles or 3-amino-β-carbolines. Org Biomol Chem 2023; 21:8757-8766. [PMID: 37877426 DOI: 10.1039/d3ob01555f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
A highly efficient heterogeneous gold(I)-catalyzed heterocyclization of ynamides with benzyl or indolyl azides has been achieved in 1,2-dichloroethane under mild conditions via a heterogenized α-imino gold carbene intermediate using 5 mol% of SBA-15-anchored strongly hindered NHC-gold(I) complex [IPr-SBA-15-AuNTf2] as the catalyst, delivering a wide range of valuable 2-aminoindoles or 3-amino-β-carbolines in mostly good to excellent yields with high regioselectivity. Furthermore, the new heterogenized NHC-gold(I) complex displays the same catalytic activity as IPrAuNTf2 and is facile to recover by centrifugation of the reaction mixture and can be reused at least seven times without any appreciable drop in its catalytic activity.
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Affiliation(s)
- Li Wei
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
| | - Xiaoqiang Xiao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
| | - Mingzhong Cai
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
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8
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Yoshida M, Okoshi Y, Kigoshi H. Concise total synthesis and structure revision of metacridamides A and B. Chem Commun (Camb) 2023; 59:9880-9883. [PMID: 37492955 DOI: 10.1039/d3cc01694c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Concise total synthesis of metacridamides A and B was accomplished through repetitive vinylogous Mukaiyama aldol reactions and ynamide-mediated macrolactonization. Spectral data of both synthetic products were identical to those of the natural products, resulting in the revision of the absolute configuration of the C-9 position to be S.
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Affiliation(s)
- Masahito Yoshida
- Degree Programs in Pure and Applied Sciences, Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan.
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Yuhi Okoshi
- Degree Programs in Pure and Applied Sciences, Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan.
| | - Hideo Kigoshi
- Degree Programs in Pure and Applied Sciences, Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan.
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
- Alliance for the Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
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9
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Chen D, Xu L, Ren B, Wang Z, Liu C. Triflylpyridinium as Coupling Reagent for Rapid Amide and Ester Synthesis. Org Lett 2023. [PMID: 37290965 DOI: 10.1021/acs.orglett.3c01598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
An effective method has been developed to facilitate the synthesis of amides and esters at ambient temperature within 5 min, in which a stable and easily accessible triflylpyridinium reagent is used. Remarkably, this method not only has a wide range of substrate compatibility but also could realize the scalable synthesis of peptide and ester via a continuous flow process. Moreover, excellent chirality retentions are presented during activation of carboxylic acid.
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Affiliation(s)
- Du Chen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liangxuan Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bowen Ren
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zian Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chao Liu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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10
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Han Y, Shi J, Li S, Dan T, Yang W, Yang M. Selective editing of a peptide skeleton via C-N bond formation at N-terminal aliphatic side chains. Chem Sci 2022; 13:14382-14386. [PMID: 36545141 PMCID: PMC9749142 DOI: 10.1039/d2sc04909k] [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: 09/03/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022] Open
Abstract
The applications of peptides and peptidomimetics have been demonstrated in the fields of therapeutics, diagnostics, and chemical biology. Strategies for the direct late-stage modification of peptides and peptidomimetics are highly desirable in modern drug discovery. Transition-metal-catalyzed C-H functionalization is emerging as a powerful strategy for late-stage peptide modification that is able to construct functional groups or increase skeletal diversity. However, the installation of directing groups is necessary to control the site selectivity. In this work, we describe a transition metal-free strategy for late-stage peptide modification. In this strategy, a linear aliphatic side chain at the peptide N-terminus is cyclized to deliver a proline skeleton via site-selective δ-C(sp3)-H functionalization under visible light. Natural and unnatural amino acids are demonstrated as suitable substrates with the transformations proceeding with excellent regio- and stereo-selectivity.
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Affiliation(s)
- Yujie Han
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Junjie Shi
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Songrong Li
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Tingting Dan
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Wenwen Yang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Mingyu Yang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
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11
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Jamdade AB, Sutar DV, Gnanaprakasam B. Dehydrogenative Intramolecular Macrolactonization of Dihydroxy Compounds Using Ru-MACHO Catalyst. Org Lett 2022; 24:4394-4398. [PMID: 35699452 DOI: 10.1021/acs.orglett.2c01617] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we have developed a new approach for the synthesis of 11 to 21-membered macrolactones via intramolecular dehydrogenative coupling of primary alcohols by using Ru-MACHO as a catalyst and Cs2CO3 as a base. This protocol generated 11-21-ring-sized macrocycles (26 derivatives), free from an external oxidant or an additive, eliminating stoichiometric reagents and producing only hydrogen as a byproduct.
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Affiliation(s)
- Akash Bandu Jamdade
- Department of Chemistry, Indian Institute of Science Education and Research, Pune. Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Dashrat Vishambar Sutar
- Department of Chemistry, Indian Institute of Science Education and Research, Pune. Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Boopathy Gnanaprakasam
- Department of Chemistry, Indian Institute of Science Education and Research, Pune. Dr. Homi Bhabha Road, Pashan, Pune 411008, India
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12
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Han F, Liu G, Zhao X, Du S, Ding Y, Zhang Q, Deng H, Wang L, Chen Y. Total synthesis and stereochemical assignment of rakicidin F. Org Biomol Chem 2022; 20:4135-4140. [PMID: 35510627 DOI: 10.1039/d2ob00692h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Total synthesis of rakicidin F was accomplished in 20 linear steps (0.68% overall yield), which enabled the configural determination of its six stereogenic centers as 2R, 15R, 16R, 17S, 19S, and 21S. The macrolactonization of the rakicidin linear precursor was investigated and the unsuccessful results might be attributed to the steric hindrance near C16-OH.
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Affiliation(s)
- Fangzhi Han
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin, 300350, People's Republic of China
| | - Guangju Liu
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin, 300350, People's Republic of China
| | - Xiuhe Zhao
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin, 300350, People's Republic of China
| | - Shunshun Du
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin, 300350, People's Republic of China
| | - Yahui Ding
- College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China.
| | - Quan Zhang
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin, 300350, People's Republic of China
| | - Huiting Deng
- Nankai University, Tianjin Third Central Hospital affiliated to Nankai University, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Institute of Hepatobiliary Disease, Tianjin, 300170, People's Republic of China
| | - Liang Wang
- College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China.
| | - Yue Chen
- College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China.
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13
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Wang C, Han C, Yang J, Zhang Z, Zhao Y, Zhao J. Ynamide-Mediated Thioamide and Primary Thioamide Syntheses. J Org Chem 2022; 87:5617-5629. [PMID: 35394769 DOI: 10.1021/acs.joc.1c03076] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Environmentally friendly ynamide-mediated thioamidation of monothiocarboxylic acids with amines or ammonium hydroxide for the syntheses of thioamides and primary thioamides is described. Simple and mild reaction conditions enable the reaction to tolerate a wide variety of functional groups such as hydroxyl group, ester, tertiary amine, ketone, and amide moieties. Readily available NaSH served as the sulfur source, avoiding the use of toxic, expensive, and malodorous organic sulfur reagents and making this strategy environmentally friendly and practical. Importantly, the stereochemical integrity of α-chiral monothiocarboxylic acids was maintained during the activation step and subsequent aminolysis process, thus offering a racemization-free strategy for peptide C-terminal modification. Furthermore, a number of thioamide-modified drugs were prepared in good yields by using this protocol and the synthesized primary thioamides were transformed into backbone thiazolyl modified peptides.
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Affiliation(s)
- Changliu Wang
- College of Chemistry and Chemical Engineering & National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China
| | - Chunyu Han
- Key Laboratory of Molecular Target & Clinical Pharmacology and the NMPA & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, P. R. China
| | - Jinhua Yang
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, P. R. China
| | - Zhenjia Zhang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China
| | - Yongli Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering & National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China.,Key Laboratory of Molecular Target & Clinical Pharmacology and the NMPA & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, P. R. China
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14
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Xiong Q, Xiao L, Dong XQ, Wang CJ. Asymmetric Synthesis of Chiral Aza-macrodiolides via Iridium-Catalyzed Cascade Allylation/Macrolactonization. Org Lett 2022; 24:2579-2584. [PMID: 35344369 DOI: 10.1021/acs.orglett.2c00942] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Iridium-catalyzed cascade allylation/macrolactonization between vinylethylene carbonate (VEC) and isatoic anhydride derivatives was successfully developed, readily generating a wide range of C2-symmetric chiral macrodiolides bearing 14-membered rings in moderate to good yields with excellent diastereoselectivities and enantioselectivities (generally 99% ee). Control experiments revealed that racemic VEC as the precursor of electrophilic iridium-π-allyl species underwent kinetic resolution process. This expedient protocol features easily available substrates, excellent stereoselective control, and high step economy.
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Affiliation(s)
- Qi Xiong
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 230021, China
| | - Lu Xiao
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xiu-Qin Dong
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.,Suzhou Institute of Wuhan University, Suzhou, Jiangsu 215123, China
| | - Chun-Jiang Wang
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 230021, China
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15
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A Rosin-Based Surfactant Enabling Cross-Couplings of Vinyl Dibromides with Sulfonamides in Water. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Sato D, Denda M, Tsunematsu H, Tanaka N, Konishi I, Komiya C, Shigenaga A, Otaka A. Late-stage macrolactonisation enabled by tandem acyl transfers followed by desulphurisation. Chem Commun (Camb) 2022; 58:2918-2921. [PMID: 35138311 DOI: 10.1039/d1cc07248j] [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
Intramolecular S-acylation of a thiol-installed threonine with a thioester unit, followed by S-O acyl transfer and subsequent desulphurisation, allows the synthesis of lactone peptides. A protocol has been developed enabling the cyclisation of a linear peptide, a reaction which has not been achieved by conventional methods.
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Affiliation(s)
- Daiki Sato
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Masaya Denda
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Honoka Tsunematsu
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Naonobu Tanaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Isamu Konishi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Chiaki Komiya
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Akira Shigenaga
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, Hiroshima 729-0292, Japan
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
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17
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Goulart TAC, Back DF, Moura E Silva S, Zeni G. Palladium-Catalyzed Cascade 5- endo-dig Cyclization of Ynamides to Form 4-Alkynyloxazolones. J Org Chem 2022; 87:3341-3351. [PMID: 35167299 DOI: 10.1021/acs.joc.1c02978] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The selective synthesis of 4-alkynyloxazolones and their further applications as substrates to electrophile-promoted nucleophilic cyclization have been developed. The reaction of ynamides with terminal alkynes proceeded smoothly to give 4-alkynyloxazolones in the presence of a catalytic amount of palladium(II) acetate. The products were obtained with the sequential formation of new C-C and C-O bonds via a cascade procedure. The first step involved a carbon-oxygen bond formation, via a 5-endo-dig closure, which was confirmed by X-ray analyses of the crystalline sample. Subsequently, the reaction of 4-alkynyloxazolones with an electrophilic selenium source gave 3-phenylselanyl benzofuran derivatives via an electrophile-promoted nucleophilic cyclization.
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Affiliation(s)
- Tales A C Goulart
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul 97105-900, Brazil
| | - Davi Fernando Back
- Laboratório de Materiais Inorgânicos, Departamento de Química, UFSM, Santa Maria, Rio Grande do Sul 97105-900, Brazil
| | - Sidnei Moura E Silva
- Laboratório de Biotecnologia de Produtos Naturais e Sintéticos, Instituto de Biotecnologia, Universidade de Caxias do Sul, Caxias do Sul, Rio Grande do Sul 95070-560, Brazil
| | - Gilson Zeni
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul 97105-900, Brazil
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18
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19
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Sahoo AK, Rangu P, Suresh K, Dutta S, Vangara S. Metal-Free Stereoselective Addition of Propiolic acids to Ynamides: A Concise Synthetic Route to Highly Substituted Ene-Diyne/Dienyne-( E)- N,O-Acetals. NEW J CHEM 2022. [DOI: 10.1039/d2nj01907h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A straight forward and sustainable approach for 1,2-addition of propiolic acids to ynamide has led to bench stable sp2 (E)-enol-enamides of enediynes & dienynes. The reaction is chemo, regio, as...
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20
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Zhang Z, Zhai T, Zhu B, Qian P, Ye L. Synthesis of Tetrahydroindole Derivatives via Metal-Free Intramolecular [4+2] Annulation of Ynamides. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202201006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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zeng L, Xu S, Cui S, Zhang F. Three Component Synthesis of β‑Aminoxy Amides. Org Chem Front 2022. [DOI: 10.1039/d2qo00631f] [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 multicomponent reaction for the synthesis of β‑aminoxy amides is described. In this reaction, N-hydroxamic acids, yna-mides and aldehydes could assemble efficiently to deliver structurally diverse β‑aminoxy amides under the...
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22
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Wang X, Zhao Y, Yang J, Li Y, Luo Y, Xu M, Zhao J. Ynamide-Mediated Thioester Synthesis. J Org Chem 2021; 86:18265-18277. [PMID: 34874737 DOI: 10.1021/acs.joc.1c01949] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel ynamide-mediated thioester synthesis strategy was developed. Importantly, no detectable racemization was observed for the thioesterifications of carboxylic acids containing an α-chiral center, enabling it to be useful for the synthesis of peptide thioester, which is the key component of native chemical ligation. It is worth mentioning that amino acid side chain functional groups such as -OH and indole -NH are compatible with the reaction conditions, rendering their protection unnecessary. Moreover, this method was also amenable to selenoesters.
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Affiliation(s)
- Xuewei Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Yongli Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Jinhua Yang
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, P. R. China
| | - Yanxi Li
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Ying Luo
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Mengyao Xu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.,Key Laboratory of Molecular Target & Clinical Pharmacology and the NMPA & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, P. R. China
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23
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Ren JW, Tong MN, Zhao YF, Ni F. Synthesis of Dipeptide, Amide, and Ester without Racemization by Oxalyl Chloride and Catalytic Triphenylphosphine Oxide. Org Lett 2021; 23:7497-7502. [PMID: 34553596 DOI: 10.1021/acs.orglett.1c02614] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient triphenylphosphine oxide-catalyzed amidation and esterification for the rapid synthesis of a series of dipeptides, amides, and esters is described. This reaction is applicable to challenging couplings of hindered carboxylic acids with weakly nucleophilic amines or alcohols, giving the products in good yields (67-90%) without racemization. This system employs the highly reactive intermediate Ph3PCl2 as the activator of the carboxylate in a catalytic manner and drives the reaction to completion in a short reaction time (less than 10 min).
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Affiliation(s)
- Ji-Wei Ren
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.,Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Meng-Nan Tong
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Yu-Fen Zhao
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.,Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Feng Ni
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.,Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
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24
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Abstract
A benzyne-mediated esterification of carboxylic acids and alcohols under mild conditions has been realized, which is made possible via a selective nucleophilic addition of carboxylic acid to benzyne in the presence of alcohol. After a subsequent transesterification with alcohol, the corresponding esters can be produced efficiently. This benzyne-mediated protocol can be used on the modification of Ibuprofen, cholesterol, estradiol, and synthesis of nandrolone phenylpropionate. In addition, benzyne can also be used to promote lactonization and amidation reaction.
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Affiliation(s)
- Jinlong Zhao
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Jiarong Shi
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030.,College of Chemistry, Jilin University, Changchun, P. R. China, 130012
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25
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Force G, Perfetto A, Mayer RJ, Ciofini I, Lebœuf D. Macrolactonization Reactions Driven by a Pentafluorobenzoyl Group**. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Guillaume Force
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay Bâtiment 420 91405 Orsay France
| | - Anna Perfetto
- Chimie Paris-Tech PSL CNRS, Institute of Chemistry for Health and Life Science (I-CLeHS) Theoretical Chemistry and Modelling Group (CTM) 75005 Paris France
| | - Robert J. Mayer
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS) CNRS UMR 7006 Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
| | - Ilaria Ciofini
- Chimie Paris-Tech PSL CNRS, Institute of Chemistry for Health and Life Science (I-CLeHS) Theoretical Chemistry and Modelling Group (CTM) 75005 Paris France
| | - David Lebœuf
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS) CNRS UMR 7006 Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
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26
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Force G, Perfetto A, Mayer RJ, Ciofini I, Lebœuf D. Macrolactonization Reactions Driven by a Pentafluorobenzoyl Group*. Angew Chem Int Ed Engl 2021; 60:19843-19851. [PMID: 34213811 DOI: 10.1002/anie.202105882] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/16/2021] [Indexed: 11/08/2022]
Abstract
Macrolactones constitute a privileged class of natural and synthetic products with a broad range of applications in the fine chemicals and pharmaceutical industry. Despite all the progress made towards their synthesis, notably from seco-acids, a macrolactonization promoter system that is effective, selective, flexible, readily available, and, insofar as possible, compatible with manifold functional groups is still lacking. Herein, we describe a strategy that relies on the formation of a mixed anhydride incorporating a pentafluorophenyl group which, due to its high electronic activation enables a convenient access to macrolactones, macrodiolides and esters with a broad versatility. Kinetic studies and DFT computations were performed to rationalize the reactivity of the pentafluorophenyl group in macrolactonization reactions.
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Affiliation(s)
- Guillaume Force
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405, Orsay, France
| | - Anna Perfetto
- Chimie Paris-Tech, PSL, CNRS, Institute of Chemistry for Health and Life Science (I-CLeHS), Theoretical Chemistry and Modelling Group (CTM), 75005, Paris, France
| | - Robert J Mayer
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, 67000, Strasbourg, France
| | - Ilaria Ciofini
- Chimie Paris-Tech, PSL, CNRS, Institute of Chemistry for Health and Life Science (I-CLeHS), Theoretical Chemistry and Modelling Group (CTM), 75005, Paris, France
| | - David Lebœuf
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, 67000, Strasbourg, France
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27
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Ohsawa K. Atom-economic Amidation and Esterification Mediated by Heteroatom-substituted Terminal Alkynes. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kosuke Ohsawa
- Graduate School of Pharmaceutical Sciences, Tohoku University
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28
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29
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Zeng L, Jin J, He J, Cui S. Photo-induced synthesis of β-sulfonyl imides from carboxylic acids. Chem Commun (Camb) 2021; 57:6792-6795. [PMID: 34137749 DOI: 10.1039/d1cc02559g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A photo-induced imidation process of carboxylic acids is described. Numerous carboxylic acids could convert to β-sulfonyl imides in the presence of N-sulfonyl ynamides under visible light irradiation. Control experiments and mechanistic studies demonstrate that this imidation process involves a hydroacyloxylation/radical rearrangement cascade. This protocol represents a direct imidation method from carboxylic acids under mild conditions, with broad scope and high atom-economy.
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Affiliation(s)
- Linwei Zeng
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Jian Jin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jixiao He
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
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30
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Yakovleva MP, Denisova KS, Vydrina VA, Tolstikov AG, Ishmuratov GY. Methods for Macrolactonization of Seco Acids in the Synthesis of Natural and Biologically Active Compounds. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1070428021050018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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31
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Song Q, Kong L, Zhu L, Hong R, Huang S. Awakening Sleeping Beauty: Vinyl Esters for Macrolactonization. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qi Song
- School of Environmental and Chemical Engineering Shanghai Institute of Technology 100 Haiquan Road Shanghai 201418 China
| | - Luyao Kong
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry (CAS) 345 Lingling Road Shanghai 200032
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Lili Zhu
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry (CAS) 345 Lingling Road Shanghai 200032
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Ran Hong
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry (CAS) 345 Lingling Road Shanghai 200032
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Sha‐Hua Huang
- School of Environmental and Chemical Engineering Shanghai Institute of Technology 100 Haiquan Road Shanghai 201418 China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry (CAS) 345 Lingling Road Shanghai 200032
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
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32
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A versatile resin for the generation of thioether-bonded head-to-tail cyclized peptides. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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33
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Zhu HY, Wu M, Yu FQ, Zhang YN, Xi TK, Chen K, Fang GM. Chemical synthesis of thioether-bonded bicyclic peptides using tert-butylthio and Trt-protected cysteines. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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34
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Tan TD, Wang ZS, Qian PC, Ye LW. Radical Reactions of Ynamides. SMALL METHODS 2021; 5:e2000673. [PMID: 34927818 DOI: 10.1002/smtd.202000673] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 08/31/2020] [Indexed: 06/14/2023]
Abstract
Ynamides are electron-rich heteroatom-substituted alkynes with C-C triple bond directly tethered to the amide group. Over the past decades, ynamides have proven to be versatile reagents for organic synthesis and have received extensive attention. Compared with the well-established ionic reactions of ynamides, radical-based ynamide reactions have been exploited relatively seldom. Herein, radical reactions of ynamides, classified by radical attack at the α-position and β-position of ynamides, are reviewed by highlighting the reaction selectivity, scope, mechanism, and applicability. The aim of this review is to provide a comprehensive summarization of these advances, casting light on the further development of ynamide chemistry.
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Affiliation(s)
- Tong-De Tan
- Key Laboratory for Chemical Biology of Fujian Province & State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Ze-Shu Wang
- Key Laboratory for Chemical Biology of Fujian Province & State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Peng-Cheng Qian
- Institute of New Materials & Industry Technology, College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, 325035, China
| | - Long-Wu Ye
- Key Laboratory for Chemical Biology of Fujian Province & State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
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35
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Kita Y, Akai S, Fujioka H, Kamitanaka T. 1-Alkoxyvinyl Ester as an Excellent Acyl Donor: Efficient Macrolactone Synthesis. J Org Chem 2021; 86:3683-3696. [DOI: 10.1021/acs.joc.0c02677] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Yasuyuki Kita
- Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
- Graduate School of Pharmaceutical Sciences, Osaka University, 1−6, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shuji Akai
- Graduate School of Pharmaceutical Sciences, Osaka University, 1−6, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hiromichi Fujioka
- Graduate School of Pharmaceutical Sciences, Osaka University, 1−6, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Tohru Kamitanaka
- Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
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36
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Zhao L, Yang H, Li R, Tao Y, Guo XF, Anderson EA, Whiting A, Wu N. Synthesis of Sulfonamide-Based Ynamides and Ynamines in Water. J Org Chem 2021; 86:1938-1947. [PMID: 33356269 DOI: 10.1021/acs.joc.0c02326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ynamides, though relatively more stable than ynamines, are still moisture-sensitive and prone to hydration especially under acidic and heating conditions. Here we report an environmentally benign, robust protocol to synthesize sulfonamide-based ynamides and arylynamines via Sonogashira coupling reactions in water, using a readily available quaternary ammonium salt as the surfactant.
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Affiliation(s)
- Lei Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi 541004, China
| | - Hongyi Yang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi 541004, China
| | - Ruikun Li
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi 541004, China
| | - Ye Tao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi 541004, China
| | - Xiao-Feng Guo
- College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
| | - Edward A Anderson
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - Andrew Whiting
- Department of Chemistry, Durham University, South Road, Durham DH1 3LE, U.K
| | - Na Wu
- School of Chemistry and Bioscience, University of Bradford, Bradford, West Yorkshire BD7 1DP, U.K
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Xiao W, Mo Y, Guo J, Su Z, Dong S, Feng X. Catalytic enantioselective synthesis of macrodiolides and their application in chiral recognition. Chem Sci 2020; 12:2940-2947. [PMID: 34164061 PMCID: PMC8179366 DOI: 10.1039/d0sc06162j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
New types of C2-symmetric chiral macrodiolides are readily obtained via chiral N,N′-dioxide-scandium(iii) complex-promoted asymmetric tandem Friedel–Crafts alkylation/intermolecular macrolactonization of ortho-quinone methides with C3-substituted indoles. This protocol provides an array of enantioenriched macrodiolides with 16, 18 or 20-membered rings in moderate to good yields with high diastereoselectivities and excellent enantioselectivities through adjusting the length of the tether at the C3 position of indoles. Density functional theory calculations indicate that the formation of macrocycles is more favorable than that of 9-membered-ring lactones in terms of kinetics and thermodynamics. The potential utility of these intriguing chiral macrodiolide molecules is demonstrated in the enantiomeric recognition of aminols and chemical recognition of metal ions. An asymmetric tandem Friedel–Crafts alkylation/intermolecular macrolactonization of ortho-quinone methides with C3-substituted indoles was achieved by using a chiral N,N′-dioxide-scandium(iii) complex.![]()
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Affiliation(s)
- Wanlong Xiao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Yuhao Mo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Jing Guo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Zhishan Su
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Shunxi Dong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
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Zeng L, Lin Y, Li J, Sajiki H, Xie H, Cui S. Skeletal reorganization divergence of N-sulfonyl ynamides. Nat Commun 2020; 11:5639. [PMID: 33159079 PMCID: PMC7648764 DOI: 10.1038/s41467-020-19467-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 10/07/2020] [Indexed: 01/29/2023] Open
Abstract
Skeletal reorganization is a type of intriguing processes because of their interesting mechanism, high atom-economy and synthetic versatility. Herein, we describe an unusual, divergent skeletal reorganization of N-sulfonyl ynamides. Upon treatment with lithium diisopropylamine (LDA), N-sulfonyl ynamides undergo a skeletal reorganization to deliver thiete sulfones, while the additional use of 1,3-dimethyl-tetrahydropyrimidin-2(1H)-one (DMPU) shifts the process to furnish propargyl sulfonamides. This skeletal reorganization divergence features broad substrate scope and scalability. Mechanistically, experimental and computational studies reveal that these processes may initiate from a lithiation/4-exo-dig cyclization cascade, and the following ligand-dependent 1,3-sulfonyl migration or β-elimination would control the chemodivergence. This protocol additionally provides a facile access to a variety of privileged molecules from easily accessible ynamides. Skeletal reorganizations are intriguing processes in chemical synthesis due to their mechanism, atom-economy and synthetic versatility. Herein, the authors describe a divergent skeletal reorganization of N-sulfonyl ynamides to thiete sulfones and propargyl sulfonamides.
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Affiliation(s)
- Linwei Zeng
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, 310058, Hangzhou, China
| | - Yuxin Lin
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, 310058, Hangzhou, China
| | - Jiaming Li
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, 310058, Hangzhou, China
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Hujun Xie
- School of Food Science and Biotechnology, Zhejiang Gongshang University, 310018, Hangzhou, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, 310058, Hangzhou, China.
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Yao C, Yang J, Lu X, Zhang S, Zhao J. Ynamide-Mediated Thionoester and Dithioester Syntheses. Org Lett 2020; 22:6628-6631. [DOI: 10.1021/acs.orglett.0c02402] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Chaochao Yao
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jinhua Yang
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Xiaobiao Lu
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Shuyu Zhang
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Junfeng Zhao
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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Wang X, Yang Y, Zhao Y, Wang S, Hu W, Li J, Wang Z, Yang F, Zhao J. Ynamide-Mediated Intermolecular Esterification. J Org Chem 2020; 85:6188-6194. [PMID: 32227863 DOI: 10.1021/acs.joc.0c00485] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An ynamide-mediated one-pot, two-step intermolecular esterification via the condensation of carboxylic acids with nucleophilic hydroxyl species was reported. A broad substrate scope with respect to carboxylic acids, alcohols, and phenols was observed. The α-acyloxyenamide intermediates formed by the addition of carboxylic acids to ynamides proved to be effective acylating reagents for the esterification of alcohol and phenol derivatives with the assistance of base catalysis. Notably, the racemization of the α-chiral center of carboxylic acids can be avoided.
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Affiliation(s)
- Xuewei Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Yang Yang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Yongli Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Sheng Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Wenchang Hu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Jinmei Li
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Zihao Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Fengling Yang
- College of Sciences and Life Engineering, Henan University of Urban Construction, Pingdingshan, Henan 467036, P. R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
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