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Editorial for the Special Topic on C–H Bond Functionalization of Heterocycles 杂环碳-氢键功能化专题社论
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-16 DOI: 10.1055/s-0040-1720084
Tharmalingam Punniyamurthy, Anil Kumar
{"title":"Editorial for the Special Topic on C–H Bond Functionalization of Heterocycles","authors":"Tharmalingam Punniyamurthy, Anil Kumar","doi":"10.1055/s-0040-1720084","DOIUrl":"https://doi.org/10.1055/s-0040-1720084","url":null,"abstract":"Over the past few years, direct C–H functionalization has become an extremely powerful synthetic tool for organic synthesis and continues to attract significant attention from organic chemists as it removes the need for pre-functionalization steps, thereby promoting step- and atom-economy.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136142148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SYNFORM ISSUE 2023/11 Synform issue 2023/11
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-16 DOI: 10.1055/s-0040-1720614
Matteo Zanda
{"title":"SYNFORM ISSUE 2023/11","authors":"Matteo Zanda","doi":"10.1055/s-0040-1720614","DOIUrl":"https://doi.org/10.1055/s-0040-1720614","url":null,"abstract":"","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136142619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Linked PDF of Table of Contents 链接的PDF目录
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-16 DOI: 10.1055/s-0040-1720094
{"title":"Linked PDF of Table of Contents","authors":"","doi":"10.1055/s-0040-1720094","DOIUrl":"https://doi.org/10.1055/s-0040-1720094","url":null,"abstract":"","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136142149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent Advances in the Synthesis of Indoles with Partially Hydrogenated Benzene Ring (Tetrahydroindoles) 苯环部分氢化吲哚(四氢吲哚)的合成研究进展
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-13 DOI: 10.1055/s-0042-1751488
Vakhid A. Mamedov, Nataliya A. Zhukova
{"title":"Recent Advances in the Synthesis of Indoles with Partially Hydrogenated Benzene Ring (Tetrahydroindoles)","authors":"Vakhid A. Mamedov, Nataliya A. Zhukova","doi":"10.1055/s-0042-1751488","DOIUrl":"https://doi.org/10.1055/s-0042-1751488","url":null,"abstract":"Abstract In this review, a fragmentary analysis of 4,5,6,7-tetrahydroindoles was performed and, on its basis, the existing methods of their synthesis published over the past 15 years have been summarized, and analyzed, as well as, if necessary, an analysis of earlier works is carried out. The proposed reaction mechanism is considered, as well as factors that significantly influence the course of the process. Among such factors: temperature, type and content of the catalyst, promoting additives, method of the process, etc. Particular attention is paid to fundamentally new methods that make it possible to synthesize various derivatives of the mentioned heterocyclic systems from available and cheap reagents, and in some cases under environmentally benign conditions. 1 Introduction 2 Intramolecular Reactions Leading To Tetrahydroindoles 2.1 Ring Closure Reactions with N–C2 Bond Formation (a) 2.2 Ring Closure Reactions with C2–C3 Bond Formation (b) 2.3 Ring Closure Reactions with C3–C3a Bond Formation (c) 2.4 Ring Closure Reactions with C7a–N Bond Formation (e) 2.5 Ring Closure Reactions with C4–C5 Bond Formation (g) 2.6 Ring Closure Reactions with C3a–C4 Bond Formation (h) 3 Intermolecular Reactions Leading To Tetrahydroindoles 3.1 Ring Closure Reactions with N–C2 + C3–C3a Bond Formation (ac) 3.2 Ring Closure reactions with N–C2 + C7a–N Bond Formation (ae) 3.3 Ring Closure reactions with C3–C3a + C7a–N Bond formation (ce) 3.4 Ring Closure Reactions with N–C2, C3–C3a, and C7a–N Bond Formation (ace) 4 Recovery Processes (Hydrogenation) of Indoles and Oxidation of Perhydroindoles in the Synthesis of 4,5,6,7-Tetrahydroindoles 5 Conclusion","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135854917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tris(pentafluorophenyl)borane-Catalysed Stereoselective C-Glycosylation of Glycals: A Facile Synthesis of Allyl and Alkynyl glycosides 三(五氟苯基)硼烷催化的糖基立体选择性c -糖基化:烯丙基和炔基糖苷的简单合成
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-05 DOI: 10.1055/a-2186-7116
Anand Gaurav, Zanjila Azeem, Pintu Kumar Mandal
{"title":"Tris(pentafluorophenyl)borane-Catalysed Stereoselective C-Glycosylation of Glycals: A Facile Synthesis of Allyl and Alkynyl glycosides","authors":"Anand Gaurav, Zanjila Azeem, Pintu Kumar Mandal","doi":"10.1055/a-2186-7116","DOIUrl":"https://doi.org/10.1055/a-2186-7116","url":null,"abstract":"Abstract In modern advances, tris(pentafluorophenyl)borane (commonly known as BCF) catalyst has risen to prominence owing to its extensive versatility in the use of myriad of organic reactions. An efficient and highly stereoselective α-C-glycosylation strategy is presented by employing a catalytic amount of B(C6F5)3 under mild reaction conditions en route to 2,3-unsaturated C-glycosides. The reaction features a broad functional group tolerance including a variety of glycals coupled with allyltrimethylsilane and trimethylsilylphenylacetylene to access the corresponding 2,3-unsaturated allyl- and alkynyl-C-glycosides with excellent α-selectivity. The reaction proceeds in good to excellent yields via concomitant borane activation of glycal donor under mild conditions.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135483714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Examination of Diels-Alder/Tsuji-Trost Route towards Kopsia Alkaloids Diels-Alder/Tsuji-Trost提取Kopsia生物碱路线的检验
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-05 DOI: 10.1055/a-2186-7034
Ekaterina A. Zhigileva, Marina V. Molchanova, Pavel N Solyev, Alexander Korlukov, Mikhail S Baranov, Andrey A. Mikhaylov
{"title":"Examination of Diels-Alder/Tsuji-Trost Route towards Kopsia Alkaloids","authors":"Ekaterina A. Zhigileva, Marina V. Molchanova, Pavel N Solyev, Alexander Korlukov, Mikhail S Baranov, Andrey A. Mikhaylov","doi":"10.1055/a-2186-7034","DOIUrl":"https://doi.org/10.1055/a-2186-7034","url":null,"abstract":"Abstract A reaction sequence of Diels–Alder cycloaddition and Tsuji–Trost allylation was examined in terms of its application to the synthesis of kopsinine and the related Kopsia alkaloids. Results of the studies in two synthetic directions are presented herein: 1) synthesis of the properly substituted diene, required for the Diels–Alder step; and 2) model studies and optimization of the key reaction sequence in the absence of side-chain. Details on the challenging introduction of the side-chain into tetrahydrocarboline ketone and its silylation, resulting in rare but unproductive vinylogous Claisen cyclization, and the successful Mannich/Mukaiyama aldol sequence are disclosed in the first direction. In the second direction, the endo-selective Diels–Alder reaction with allyl acrylate and Tsuji–Trost allylation providing incorrect stereochemistry are disclosed. Interaction of both dienes with an alkyne provides carbazoles via Alder–Rickert reaction.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135483716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoinduced Synthesis of 2-Trifluoromethylated Indoles through Oxidative Trifluoromethylation Using Langlois’ Reagent in the Absence of External Photocatalyst 朗格卢瓦试剂氧化三氟甲基化光诱导合成2-三氟甲基化吲哚
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-05 DOI: 10.1055/s-0040-1720093
Deepak K. Sharma, Samarpita Das, Harish K. Indurthi, Amita Kumari
{"title":"Photoinduced Synthesis of 2-Trifluoromethylated Indoles through Oxidative Trifluoromethylation Using Langlois’ Reagent in the Absence of External Photocatalyst","authors":"Deepak K. Sharma, Samarpita Das, Harish K. Indurthi, Amita Kumari","doi":"10.1055/s-0040-1720093","DOIUrl":"https://doi.org/10.1055/s-0040-1720093","url":null,"abstract":"Abstract A photoinduced approach for regioselective C-2 trifluoromethylation of indoles was achieved with CF3SO2Na under UV light irradiation (360–365 nm) at ambient conditions without any external photo activator. The key steps involve the in situ conversion of CF3SO2Na reagent to CF3 • radical under oxygen or air and UV irradiation. This proficient method has the advantages of mild reaction conditions, fair substrate tolerability, and gram scalability.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135483343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phenanthro[9,10‑d]imidazoles: An Unexpected Synthetic Route 非菲[9,10 - d]咪唑:一种意想不到的合成途径
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-05 DOI: 10.1055/s-0042-1751493
Stefan F. Kirsch, Bastian L. Springer, Kristina Holzschneider, Fabian Mohr
{"title":"Phenanthro[9,10‑d]imidazoles: An Unexpected Synthetic Route","authors":"Stefan F. Kirsch, Bastian L. Springer, Kristina Holzschneider, Fabian Mohr","doi":"10.1055/s-0042-1751493","DOIUrl":"https://doi.org/10.1055/s-0042-1751493","url":null,"abstract":"Abstract A new synthetic route for the synthesis of phenanthro[9,10‑d]imidazoles is described. Through aminolysis of easily accessible 10,10-diazidophenanthren-9(10H)-one with nucleophilic amines, a self-condensation is triggered that results in the formation of the target phenanthro[9,10‑d]imidazoles. The molecular structures were studied by X-ray single crystallography, and the optical properties of the material are described.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135483449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of total synthesis of aromatic abietane diterpenoid: Ferruginol 芳香枞烷二萜:铁二醇的全合成研究进展
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-05 DOI: 10.1055/a-2186-7983
Mengran Li, Peng Chen, Haoqi Liu, Jian Huang, Yang Chen
{"title":"Review of total synthesis of aromatic abietane diterpenoid: Ferruginol","authors":"Mengran Li, Peng Chen, Haoqi Liu, Jian Huang, Yang Chen","doi":"10.1055/a-2186-7983","DOIUrl":"https://doi.org/10.1055/a-2186-7983","url":null,"abstract":"The biologic properties and synthetic effort of ferruginol as a classical abietane-type diterpenoid with an aromatic C ring are reviewed. A strategy overview from 1954 to 2023 toward the total synthesis of ferruginol may provide some references for future design and synthesis of new diterpenoids natural products.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135483332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation and Carbocupration-Silylation of Allyl Propiolates: Vicinal Functionalization to Form Polysubstituted (E)-Vinylic Silanes 丙酸烯丙酯的制备和碳铜化-硅基化:邻域功能化形成聚取代乙烯基硅烷
4区 化学
Synthesis-Stuttgart Pub Date : 2023-10-05 DOI: 10.1055/a-2186-6964
Cameron Massey, Timothy Scott Snowden, Michael P. Jennings
{"title":"Preparation and Carbocupration-Silylation of Allyl Propiolates: Vicinal Functionalization to Form Polysubstituted (E)-Vinylic Silanes","authors":"Cameron Massey, Timothy Scott Snowden, Michael P. Jennings","doi":"10.1055/a-2186-6964","DOIUrl":"https://doi.org/10.1055/a-2186-6964","url":null,"abstract":"The preparation and TMSOTf-mediated catalytic carbocupration-silylation of allylic propiolates has been investigated, expanding on previous syntheses of a variety of β-alkyl- and β-aryl-substituted vinylsilanes from an ethyl propiolate precursor. With few exceptions, the series of synthesized O-allyl (E)-vinylsilanes has been isolated in high yields (61-89%) with exceptional diastereoselectivities (E/Z > 20:1). Additionally, we demonstrated a novel LDA-initiated, TMSCl-mediated Ireland-Claisen rearrangement of a representative allylic ester.","PeriodicalId":49451,"journal":{"name":"Synthesis-Stuttgart","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135483712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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