Hiroto Tsuyama, Dr. Keiichi Imato, Prof. Dr. Yousuke Ooyama
{"title":"Front Cover: Synthesis, Optical and Singlet Oxygen Generation Properties of Phenazinone-Based Photosensitizer with 5-Formyl-2-Thienyl Substituents (Asian J. Org. Chem. 6/2025)","authors":"Hiroto Tsuyama, Dr. Keiichi Imato, Prof. Dr. Yousuke Ooyama","doi":"10.1002/ajoc.202580601","DOIUrl":"https://doi.org/10.1002/ajoc.202580601","url":null,"abstract":"<p>In article number e202400781, Hiroto Tsuyama, Keiichi Imato, and Yousuke Ooyama accomplished the development of phenazinone-based photosensitizer with 5-formyl-2-thienyl substituents. It was fond that the introduction of 5-formyl-2-thienyl substituents into phenazinone chromophore leads to bathochromic shift of photoabsorption band. The photophysical and singlet oxygen (<sup>1</sup>O<sub>2</sub>) generation properties were revealed by the kinetic and thermodynamic analyses based on the experimental results and the theoretical calculations.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 6","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajoc.202580601","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144292625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiao Liu, Dr. Akihito Konishi, Prof. Dr. Makoto Yasuda
{"title":"Cover Feature: C3-Symmetric Chiral Cage-Shaped Phosphates: Synthesis and Application as Organocatalysts in Asymmetric Iodolactonizations (Asian J. Org. Chem. 6/2025)","authors":"Xiao Liu, Dr. Akihito Konishi, Prof. Dr. Makoto Yasuda","doi":"10.1002/ajoc.202580602","DOIUrl":"https://doi.org/10.1002/ajoc.202580602","url":null,"abstract":"<p>The <i>C</i><sub>3</sub>-symmetric, cage-shaped phosphate creates a helical chiral environment that functions like a vortex with a single direction. When a linear starting material enters this chiral environment, it is transformed into a precisely controlled stereochemical product. This transformation represents how the chiral vortex causes a dragon to curl up into a coil! The cover image depicts the dragon's transformation, which is catalyzed by our vortex-shaped catalyst. More details can be found in article number e202500299 by Xiao Liu, Akihito Konishi, and Makoto Yasuda. \u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 6","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajoc.202580602","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144292626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cover Feature: Pd(II)-Catalyzed Tandem Intramolecular Oxidative Heck Reaction/C−H Arylation Sequence: One-Pot Synthesis of 3-Nitro-2-Aryl-Indoles (Asian J. Org. Chem. 5/2025)","authors":"Mohit K Tiwari, Muskan, Parthasarathi Das","doi":"10.1002/ajoc.202580503","DOIUrl":"https://doi.org/10.1002/ajoc.202580503","url":null,"abstract":"<p>In article number e202400692, Mohit K Tiwari, Muskan, and Parthasarathi Das have developed a tandem approach to synthesize a diverse library of new and privileged C-5-functionalized C-2-aryl-nitro indoles via oxidative Heck-coupling and C-2-arylation. The cover design represents the centenary celebration of the institute, as Indian Institute of Technology (Indian School of Mines) Dhanbad is going to celebrate the completion of 100 years (1926-2026).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajoc.202580503","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144074467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Israel Najar Guerrero, Zinah Al-Khateeb, Prof. F. G. West
{"title":"Cover Feature: Copper-Catalyzed Synthesis of C-2 Substituted Indolin-3-Ones and Indolin-3-One [4+2] Cycloadducts Through Azide-Tethered Iodonium Ylides (Asian J. Org. Chem. 5/2025)","authors":"Israel Najar Guerrero, Zinah Al-Khateeb, Prof. F. G. West","doi":"10.1002/ajoc.202580502","DOIUrl":"https://doi.org/10.1002/ajoc.202580502","url":null,"abstract":"<p>Easily formed iodonium ylides are rapidly consumed by copper catalysts. The presence of an <i>ortho</i>-azido group allows formation of a new C=N bond with loss of molecular nitrogen, in effect coupling two nucleophilic centers. These reactive <i>C</i>-acylimines can be captured with a variety of nucleophiles or 1,3-dienes to afford indolin-3-one products. More details can be found in article number e202400612 by Israel Najar Guerrero, Zinah Al-Khateeb, and Frederick G. West.<figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajoc.202580502","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144074466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Front Cover: Rhodium-Catalyzed Asymmetric Reductive Cyclization of Cyclohexadienone-Tethered (Z)-α,β-Unsaturated Amides (Asian J. Org. Chem. 5/2025)","authors":"Jian-Wei Zhang, Shu-Hui Li, Qing-Hua Li, Ping Tian","doi":"10.1002/ajoc.202580501","DOIUrl":"https://doi.org/10.1002/ajoc.202580501","url":null,"abstract":"<p>The cover image depicts the synthesis of hydrobenzofuran derivatives with potential bioactivity from simple precursors, catalyzed by the transition metal rhodium (Rh). The process integrates wisdom of traditional Chinese medicine with modern organic chemistry methodologies, highlighting the convergence of traditional knowledge and contemporary scientific innovation in drug development. More details can be found in article number e202500052 by Ping Tian, Qinghua Li, and co-workers.<figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajoc.202580501","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144074639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Linxi Yao , Chunmiao Shi , Jianming Pan , Peng Huang , Bin Liu
{"title":"Application of Desymmetrization: Synthesis of Atropisomeric Phosphite Esters via Thioether‐directed C−H Phosphorylation","authors":"Linxi Yao , Chunmiao Shi , Jianming Pan , Peng Huang , Bin Liu","doi":"10.1002/ajoc.202500209","DOIUrl":"10.1002/ajoc.202500209","url":null,"abstract":"<div><div>Based on a desymmetrization strategy, a thioether‐directed C−H phosphorylation reaction of 1‐phenyl‐2‐alkylthionaphthalenes catalyzed by Pd (II) affords atropisomeric biaryl phosphite esters in moderate to good yields. The bifunctionalized by‐products were well inhibited. This newly developed methodology can be potentially applied to synthesize biaryl phosphite monomethyl esters containing alkylthio groups as bidentate anionic ligands.</div></div>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":"Article e202500209"},"PeriodicalIF":2.8,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144072542","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}
Ryo Tsuyusaki , Dr. Kosuke Nakashima , Yasuyuki Matsushima , Dr. Shin‐ichi Hirashima , Prof. Dr. Tsuyoshi Miura
{"title":"Synthesis of Pyrazolidin‐3‐one Derivatives Bearing Trifluoromethyl Group via Cascade Michael/Intramolecular Transamidation Reactions","authors":"Ryo Tsuyusaki , Dr. Kosuke Nakashima , Yasuyuki Matsushima , Dr. Shin‐ichi Hirashima , Prof. Dr. Tsuyoshi Miura","doi":"10.1002/ajoc.202500145","DOIUrl":"10.1002/ajoc.202500145","url":null,"abstract":"<div><div>The cascade Michael/intramolecular transamidation reactions of 3‐phenacylidene‐2‐indolinone derivatives bearing a trifluoromethyl group as a novel Michael acceptor with hydrazines yielded the corresponding pyrazolidin‐3‐one derivatives in good to high yields with excellent diastereoselectivity. These pyrazolidin‐3‐one derivatives, bearing trifluoromethyl groups, can be further transformed into various valuable heterocyclic compounds.</div></div>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":"Article e202500145"},"PeriodicalIF":2.8,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144072547","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}
Xin Chen , Rongxiu Guo , Yiming Wang , Hong Li , Chengrui Li , Yongjian Ai , Yao Wang , Na Ju , Hui Yao , Prof. Dr. Hong‐bin Sun
{"title":"Zr‐Based MOFs Catalyzed Selective Transfer Hydrogenation of Nitrobenzaldehydes: the Harmony of Pore Size and Acidity","authors":"Xin Chen , Rongxiu Guo , Yiming Wang , Hong Li , Chengrui Li , Yongjian Ai , Yao Wang , Na Ju , Hui Yao , Prof. Dr. Hong‐bin Sun","doi":"10.1002/ajoc.202400777","DOIUrl":"10.1002/ajoc.202400777","url":null,"abstract":"<div><div>Noble metal free catalysts are urgently needed for catalytic transfer hydrogenation (CTH). Zr‐based metal‐organic frameworks (MOFs) show excellent catalytic activity towards the transformation of aldehydes to alcohols via the CTH route. Among the tested Zr‐MOFs with different pore size and acidic sites, MOF‐808 shows the best catalytic activity, selectivity, and stability for synthesizing nitrobenzyl alcohols due to the harmony of pore size and acidity, which completes the reaction in a short period under mild conditions.</div></div>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":"Article e202400777"},"PeriodicalIF":2.8,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144072619","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}
Prof. Dr. Yin‐Long Lai , Xun Xiong , Ting Zhao , Prof. Dr. Jianxiao Li , Prof. Dr. Rui‐Min Zhong , Prof. Dr. Wenfang Xiong , Prof. Dr. Huanfeng Jiang
{"title":"Palladium‐Catalyzed Decarboxylative Coupling of Alkynoic Acids with 2‐Alkynylanilines in Ionic Liquid","authors":"Prof. Dr. Yin‐Long Lai , Xun Xiong , Ting Zhao , Prof. Dr. Jianxiao Li , Prof. Dr. Rui‐Min Zhong , Prof. Dr. Wenfang Xiong , Prof. Dr. Huanfeng Jiang","doi":"10.1002/ajoc.202400767","DOIUrl":"10.1002/ajoc.202400767","url":null,"abstract":"<div><div>An efficient and reliable NHC‐palladium‐catalyzed cascade decarboxylative coupling of alkynoic acids with 2‐alkynylanilines for the rapid and straightforward assembly of synthetically valuable 3‐alkynylindole derivatives in eco‐friendly medium is described. Control experiments revealed that NHC−Pd catalysts and base were all essential for this catalytic system. More importantly, this approach features mild reaction conditions, excellent functional group compatibility, and reasonable to excellent yields.</div></div>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":"Article e202400767"},"PeriodicalIF":2.8,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144072507","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}
Noreen Abbas , Safyan Akram Khan , Shehzada Muhammad Sajid Jillani , Shahid Ali , Muhammad Mansha
{"title":"Advancements in Polymeric Membranes: Fabrication Techniques and Innovative Solutions for Enhanced Performance in Reverse Osmosis","authors":"Noreen Abbas , Safyan Akram Khan , Shehzada Muhammad Sajid Jillani , Shahid Ali , Muhammad Mansha","doi":"10.1002/ajoc.202400678","DOIUrl":"10.1002/ajoc.202400678","url":null,"abstract":"<div><div>Reverse osmosis (RO) membrane processes are extensively used for water recovery, recycling, and production of high‐quality water for reuse, aiding industries in meeting regulatory standards and improving overall water efficiency. However, RO membranes encounter challenges such as chemical and biological fouling, which reduce performance, and damage from chemicals like active chlorine exposure, particularly to the polyamide layer. Thin film composite (TFC) membranes are designed for high water permeability, salt rejection, and resistance to temperature, pressure, and fouling. Sustainable developments show promising reductions in the environmental and economic costs of RO processes. Bio‐inspired membranes, such as those modeled after aquaporins, represent key advancements in selectivity and efficiency. This review highlights innovations in RO membranes, particularly polymeric materials, fabrication techniques, and strategies to address performance challenges, offering insights into the future of RO technology in meeting global water demands.</div></div>","PeriodicalId":130,"journal":{"name":"Asian Journal of Organic Chemistry","volume":"14 5","pages":"Article e202400678"},"PeriodicalIF":2.8,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144072538","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}