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Mechanistic understanding on base‐catalyzed aldimine/ketamine condensations: an old story and a new model Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-23 Zhe-wei Li; Lin Zhang; Min Pu; Ming Lei
Aldimine/ketamine condensations are basic reactions in chemical synthesis. Herein a density functional theory (DFT) study was performed to characterize the mechanism of the ketamine condensation of acetophenone with tert ‐butanesulfinamide catalyzed by NaOH. The calculated results showed that the main N‐tert ‐butanesulfinimines products own E configuration, which are due to both thermodynamic and kinetic
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Palladium‐Catalyzed Allylic Cycloaddition of Vinylethylene Carbonates with 3‐Nitrochromone Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-21 Can Zhao; Babar Hussain Shah; Hongfang Li; Xue Wu; Yong Jian Zhang
An efficient method for the enantio‐ and diastereoselective construction of furanochromanones has been developed through Pd‐catalyzed asymmetric allylic cycloaddition of vinylethylene carbonates with 3‐nitrochromone. By using a palladium complex generated in situ from [Pd 2 (dba) 3 ]·CHCl 3 and phosphoramidite L 4 as a catalyst, the transformation allows to rapid access furanochromanones bearing versatile
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Five‐fold‐symmetric Pentabromo‐ and Pentaiodo‐corannulenes: Useful Precursors of Heteroatom‐substituted Corannulenes Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-03 Koki Kise; Shota Ooi; Atsuhiro Osuka; Takayuki Tanaka
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Metal‐free Catalytic Esterification of Aryl Alkyl Ketones with Alcohols via Free‐radical Mediated C(sp3)‐H Bond Oxygenation Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-20 Banothu Rammurthy; Swamy Peraka; Amrutham Vasu; Gajula Krishna Sai; Yennamaneni Divya Rohini; Narender Nama
A novel metal‐free catalytic one‐pot approach has been developed for the esterification of aralkyl ketones with alcohols under open‐air atmospheric conditions. The inexpensive iodide/oxone reagent system allowed the cascade C(sp3)‐H bond oxygenation, selective C‐C bond cleavage and esterification through the both radical and ionic pathways in a stepwise manner in one‐pot. This mild, convenient and
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Synthesis of 1‐naphthol‐based unsymmetrical triarylmethanes: Heck‐type desulfitative reaction of arylsulfonyl chlorides with tetralone‐derived chalcones Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-19 Rathinam Sankar; Debabrata Bhattacharya; Srinivasarao Arulananda Babu
We report the preliminary results of an investigation comprising of the synthesis of 1‐naphthol‐based unsymmetrical triarylmethanes via Pd‐catalyzed Heck‐type desulfitative reaction and conjugate addition of arylsulfonyl chlorides with tetralone‐derived chalcones. Unsymmetrical triarylmethanes are valuable molecules in organic‐, medicinal and materials chemistry. This work is a contribution towards
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Atom‐economic Alk(en)ylations of Esters, Amides, and Methyl Heteroarenes Utilizing Alcohols Following Dehydrogenative Strategy Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-18 Siva Nagendra Reddy Donthireddy; Chandra Shekhar Tiwari; Shashi Kumar; Arnab Rit
Due to the atom‐economic and greener nature, borrowing hydrogen (BH) and acceptorless dehydrogenative coupling (ADC) processes have drawn significant attentions of the researchers across the globe and thus, these strategies have been extensively utilized in synthetic chemistry to access various challenging and valuable compounds. During the last decade, significant progress has been witnessed in the
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Transition‐Metal‐Free C−H Silylation: An Emerging Strategy Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-30 Arpana Tyagi; Naveen Yadav; Jabir Khan; Sanjay Singh; Chinmoy Kumar Hazra
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Chiral Bifunctional Sulfide‐Catalyzed Highly Enantioselective Bromolactonizations of 4‐Pentenoic Acids Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-24 Ryuichi Nishiyori; Megumi Okada; John R. J. Maynard; Seiji Shirakawa
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Electrolyte‐Triggered C5‐Selective Trifluoromethylation and Halogenation of 8‐Aminoquinoline Derivatives Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-18 Kai Wang; Jiahao Hou; Yangjing Lv; Tingting Wei; Renren Bai; Yuanyuan Xie
An efficient electrolyte‐triggered trifluoromethylation and halogenation at C5 positions of 8‐aminoquinoline derivatives was developed, affording the C‐H functionalization products in moderate to excellent yields. What's more, the mild and green reaction revealed lower energy and shorter time consumption. Most importantly, the requirements for both transition metal catalysts and oxidants were avoided
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Direct Integration of Phthalazinone and Succinimide Scaffolds via Rh(III)‐Catalyzed C−H Functionalization Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-12 Yong Sun Cho; Hak Do Kim; Euntaek Kim; Sang Hoon Han; Soo Bong Han; Neeraj Kumar Mishra; Young Hoon Jung; Taejoo Jeong; In Su Kim
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Controlling the sign of Excimer‐Origin Circularly Polarised Luminescence by Balancing Hydrophilicity/Hydrophobicity in Bipyrenyl Arginine Peptides Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-30 Yuki Mimura; Yuki Motomura; Mizuki Kitamatsu; Yoshitane Imai
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Recent Advances and Uses of (Me4N)XCF3 (X=S, Se) in the Synthesis of Trifluoromethylthiolated and Trifluoromethylselenolated Compounds Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-04 Xi‐Hui Yang; Denghu Chang; Rong Zhao; Lei Shi
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Recent Advances of Photoresponsive Supramolecular Switches Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-25 Zhiyao Yang; Zejiang Liu; Lihua Yuan
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Selenium‐NMR Spectroscopy in Organic Synthesis: From Structural Characterization Toward New Investigations Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-27 Márcio S. Silva; Diego Alves; Daniela Hartwig; Raquel G. Jacob; Gelson Perin; Eder J. Lenardão
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Gold(I)‐Catalyzed Intramolecular Hydroarylation of o‐Ethynylarylphosphonium Salt Leading to the Formation of Seven‐ and Six‐membered Phosphacycles Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-05 Akihiro Tsurusaki; Hiroki Shimatani; Ken Kamikawa
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CAN‐mediated Oxidative Coupling‐Reaction of Xanthenes with Enaminones Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-01 Changyuan Zhang; Yun Qiu; Jiantao Zhang; Lulu Chen; Shuting Xu; Huosheng Guo; Jian Luo; Yao Tan
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I+/TBHP Catalysis For Tandem Oxidative Cyclization To Indolo[2,3‐b]quinolines Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-30 Muhammet Uyanik; Hiroki Tanaka; Kazuaki Ishihara
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BF3 ⋅ OEt2 Catalyzed Synthesis of 1,3‐Thiazines/‐Selenazines Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-24 Sengodagounder Muthusamy; Muthukumar Malarvizhi; Eringathodi Suresh
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Rhodium(III)‐Catalyzed Cross‐Coupling of Sulfoxonium Ylides with Quinoline‐8‐carboxaldehydes for Synthesis of Quinoline‐1,3‐diketones Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-18 Xue‐Li Lyu; Shi‐Sheng Huang; Yuan‐Qiong Huang; Hong‐Jian Song; Yu‐Xiu Liu; Yong‐Qiang Li; Shao‐Xiang Yang; Qing‐Min Wang
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Pd(II)‐catalyzed, Picolinamide‐aided sp2 γ−C−H Functionalization of Phenylglycinol: Access to γ−C−H Arylated, Alkylated and Halogenated Phenylglycinol Scaffolds Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-17 Prabhakar Singh; Srinivasarao Arulananda Babu; Yashika Aggarwal; Pooja Patel
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Copper‐Catalyzed Decarboxylative Reductive Sulfonylation of α‐Oxocarboxylic Acids with Aryl Sulfonyl Hydrazines Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-12 Zhiyong Wu; Shuai Hao; Jingyan Hu; Hongtao Shen; Miao Lai; Pengfei Liu; Gaolei Xi; Pengfei Wang; Shengchen Zhao; Xiaoping Zhang; Mingqin Zhao
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Rhodium(III)‐Catalyzed Alkylation of 2‐Arylquinazolin‐4(3H)‐ones with Cyclopropanols by Directing C‐H Activation and Ring Opening at Ambient Temperature Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-24 Mu‐Wang Chen; Minhao Lou; Zhihong Deng; Qin Yang; Yiyuan Peng
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Synthesis of [1,2,3]‐Triazolo[5,1‐a]‐isoquinolines through TBAF‐Promoted Cascade Reactions Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-30 Shengguo Duan; Yidian Chen; Hui Meng; Lihong Shan; Ze‐Feng Xu; Chuan‐Ying Li
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Pyrene‐fused Dibenzoazatetracenes: Synthesis, Crystal Structures, Photophysical Properties and their Morphologies Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-02 Qingsong Wang; Wei Gao; Yan Chen; Xiaohui Wang; Jin Zeng; Yiwei Liu; Huijuan Ran; Zhen Hu; Jie Bai; Xing Feng; Carl Redshaw; Qing Chen; Jian‐Yong Hu
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A sequential one‐pot method for the synthesis of 4‐(hydroxymethyl)oxazoles and their application to the synthesis of phosphonates Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-16 Kajol Km; Ramesh Chintakunta
A sequential one‐pot method for the synthesis of 4‐(hydroxymethyl)oxazoles from readily available benzamides has been developed. Various substituted benzamides well‐tolerated and furnished 4‐(hydroxymethyl)oxazoles in moderate to good yields under the present reaction conditions. In order to demonstrate the usefulness of the present methodology, the resulting 4‐(hydroxymethyl)oxazoles were successfully
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Visible light‐mediated functionalization of aryl diazonium salts Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-13 Xin Zhang; Yaoyao Mei; Yangyang Li; Jingang Hu; Dayun Huang; Yicheng Bi
Aryl diazonium salts are important molecules in organic chemistry. This review discusses advances of their application in light‐mediated reactions summarized in five categories according to the bond formations: (1) C‐C formation from alkenes, alkynes, arenes, isocyanide, CO, arylboronic acid, or Grignard reagent. (2‐5) C‐B, C‐N, C‐S, and C‐P formations. Reactions like the radical addition, elimination
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Recent developments in dehydrogenative organic transformations catalyzed by homogeneous phosphine‐free earth‐abundant metal complexes Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Ahmad Takallou; Niloofar Mesgarsaravi; Somayyeh Sarvi Beigbaghlou; Nader Sakhaee; Azim Ziyaei Halimehjani
Stoichiometric amounts of various oxidants have long been employed for the oxidation of organic compounds. The major drawback of this method is the amount of toxic waste produced, which is in sharp contrast to principles of green chemistry. In catalytic dehydrogenation pathway, hydrogen carrier organic compounds (HCOCs) containing O‐H, C‐H, and N‐H bonds can be transformed to the oxidized form by removing
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Visible‐light‐induced radical difluoromethylation of alkynoates by [bis(difluoroacetoxy)iodo]benzene to yield 3‐difluoromethylated coumarins Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Kui Lu; Ting Zhou; Xiaodong Jia; Peng Wei; Lingyu Lei; Xiaolan Xi; Jiang Liu; Xia Zhao
A visible‐light‐induced radical difluoromethylation of alkynoates using [bis(difluoroacetoxy)iodo]benzene as the CF 2 H radical precursor was developed for the first time. 3‐Difluoromethyl‐substituted coumarins were synthesized via a radical difluoromethylation/cyclization/ester migration cascade. The mild and catalyst‐free conditions, as well as the good functional group tolerance, render this protocol
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Synthesis of Fully Substituted Oxazoles via a NFSI/KF‐Mediated Double Bond Cleavage−Rearrangement Cascade Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Dan Wu; Yi Lu; Wen-Juan Hao; Shu-Jiang Tu; Bo Jiang
A new NFSI/KF‐mediated scission/recombination of C−C double bonds for [4 + 1] annulation was first reported, leading to the efficient synthesis of a wide range of fully substituted oxazoles in good to excellent yields under the mild neutral‐redox conditions. This methodology might open a new entry for the preparation of structurally applicable heterocyclic systems in a highly functional‐group‐compatible
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Tunable Redox‐Neutral Photocatalysis: Visible Light‐Induced Arylperfluoroalkylation of Alkenes Regulated by Proton Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Yuan Li; Xin Zhang; Deqiang Liang; Yanni Li; Shulin Gao; Xiangguang Li; Ying Dong; Baoling Wang; Yinhai Ma
A redox entanglement in photoredox catalysis is discovered and discussed. Using MeOH as a proton source and Eosin Y as the photocatalyst, a problematic and redox‐neutral perfluoroalkylation/cyclization cascade of alkenes with perfluoroalkyl iodides might be streamlined, furnishing perfluoroalkylated indolines, indoles, dihydroisoquinolinones, and indolin‐2‐ones with a good functional‐group tolerance
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Formal [5 + 2] Cyclization of N,N′‐Cyclic Azomethine Imines with 1,3,5‐Triazines: An Efficient Protocol for the Synthesis of Tetrazepine Derivatives Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Rongxiang Chen; Qingling Liu; Kai-Kai Wang; Yonghua Qi; Yong Zhou; An-an Zhang; Tuanjie Meng; Lantao Liu
An unprecedented formal [5 + 2] cyclization of N,N′‐cyclic azomethine imines with triazines has been realized, which provides a facile access to biologically important 1,2,4,6‐tetrazepine frameworks with overall high yields (up to 98% yield). This methodology is distinguished by not involving a metal catalyst, readily available starting materials, and operational simplicity, which involves the reassembly
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Ruthenium catalyzed synthesis of α‐alkylated ketones and quinolines in aqueous medium by hydrogen borrowing strategy using ketones and alcohols Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Ashutosh Verma; Susanta Hazra; Pritam Dolui; Anil Jacob Elias
Herein, we report a simple, efficient, and sustainable method for the synthesis of α‐alkylated ketones and quinolines using the borrowing hydrogen strategy, which has emerged as a greener alternative in organic transformation reactions. Synthesis of a range of α‐alkylated ketones and quinoline derivatives was achieved by using the water‐soluble [Ru(8‐AQ)Cl(p‐cym.)]+Cl− [Ru]‐1 (AQ = aminoquinoline)
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Visible‐light‐mediated synthesis of bromo‐containing azaspirotrienediones from N‐phenylpropynamides Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Yuan Chen; Fo-Yun Lu; Rui-Xue Li; Zhi Guan; Yan-Hong He
A visible‐light‐mediated reaction of N ‐phenylpropynamides with diethyl 2,2‐dibromomalonate for the synthesis of bromo‐containing azaspirotrienediones is described. This method allows the formation of C‐Br, C‐C and C=O bonds in one pot through the radical addition/ipso‐cyclization/oxidation cascade reaction. A possible radical mechanism involving single electron transfer and energy transfer processes
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Reversible Change in Fluorescent Color of Moisture‐sensitive Binary Films of 4‐[Bis(4‐methylphenyl)amino]benzylideneaniline with Organic Acids Asian J. Org. Chem. (IF 3.13) Pub Date : 2021-01-11 Takuma Tsukada; Yuya Kitamura; Hideyuki Nakano
Novel moisture‐sensitive binary films that exhibit reversible change in fluorescent color have been created using a fluorescent amorphous molecular material, 4‐[bis(4‐methylphenyl)amino]benzylideneaniline (BMBZA), with organic acids such as pentafluorobenzoic acid and benzoic acid. Orange fluorescent color of the film under ambient dry atmosphere was found to change drastically to greenish blue under
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Advances in Base‐Mediated Post‐Ugi Transformations via Peptidyl Anion Trapping Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-16 Anirban Ghoshal; Mayur D. Ambule; Anamika Yadav; Ajay Kumar Srivastava
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DFT Mechanistic Study on Palladium‐Catalyzed Redox‐Neutral Hydroarylation of Unactivated Alkenes with Arylboronic Acids Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-16 Jianguo Zhou; Yongzhu Zhou; Yanxia Li; Jie Zhang; Lei Zhang
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Anion Controlled Stereodivergent Semi‐Hydrogenation of Alkynes using Water as Hydrogen Source Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-31 Kangkui Li; Chunhui Yang; Jingchao Chen; Chunxiang Pan; Ruifeng Fan; Yongyun Zhou; Yang Luo; Dajian Yang; Baomin Fan
An anion controlled stereodivergent semi‐hydrogenation of alkynes is reported. The reactions are catalyzed by the low‐cost and stable nickel(II) salts, using water as environmental friendly hydrogen source with zinc powder as metal reductant. Interestingly, the stereoselectivity of the reaction is well controlled by the anion of the nickel(II) salt. The present methodology allowed a low‐cost and convenient
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Nickel(II)‐Mediated C‐S Cross‐Coupling Between Thiols and ortho‐Substituted Arylboronic Acid Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-30 Kengo Hanaya; Hiroyoshi Ohtsu; Masaki Kawano; Shuhei Higashibayashi; Takeshi Sugai
Herein, we report a C–S cross‐coupling reaction between alkyl thiols or aryl thiols and ortho ‐substituted arylboronic acids that proceeds in the presence of an inexpensive and ligand‐free NiCl 2 ·6H 2 O salt and N ‐methylmorpholine, a weak base, at 25 °C in air. The presence of coordinating and electron‐withdrawing groups at the ortho ‐position of the arylboronic acids played a crucial role in determining
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Amine‐Mediated Domino Reaction of Thioisatins: Synthesis of Benzothiophene‐fused N‐Heterocycles under Catalyst‐Free Conditions Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-07 Qingsong Deng; Aimin Yu; Meitong Li; Xiangtai Meng
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Photo and pH Dual‐Responsive Supramolecular Vesicles Based on a Water‐Soluble Tribenzotriquinacene and an Azobenzene‐Containing Amphiphile in Water Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-29 Xin-Rui Wang; Man-Ping Li; Wen-Rong Xu; Dietmar Kuck
We synthesized a new water‐soluble tribenzotriquinacene‐based hexacarboxylate ( TBTQ‐C 6 , or H ) which can associate with an azobenzene‐containing amphiphile ( trans ‐AZO ) to form the H · trans ‐AZO supra‐amphiphile by host‐guest interactions in water. This supra‐amphiphile further self‐assembles into photo and pH dual‐responsive vesicles. The reversible conversion between the vesicles and micelles
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Fluorescent Assembles of 2‐Amino‐3‐cyanothiophenes with Azoles. Design and Peculiar Properties of Absorption and Emission Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-16 Kseniya I. Lugovik; Ali Kanaa; Enrico Benassi; Nataliya P. Belskaya
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Total Syntheses of Kirkamide and N‐acetyl ent‐Conduramine B‐1 Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-19 Chintam Narayana; Ashish Khanna; Priti Kumari; Ram Sagar
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Influence of Remote Picolinyl and Picoloyl Stereodirecting Groups for the Stereoselective Glycosylation Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-09 Ariza Khanam; Pintu Kumar Mandal
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Synthesis of Sulfonylated Pyrrolines and Pyrrolinones via Ag‐mediated Radical Cyclization of Olefinic Enamides with Sodium Sulfinates Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-16 Ran Ding; Ming‐Hua Mao; Wei‐Zhen Jia; Jian‐Ming Fu; Lei Liu; Yue‐Yuan Mao; Yu Guo; Pei‐Long Wang
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Direct C(sp3)−H Sulfonylation and Sulfuration Reactions of Isoquinoline‐1,3(2H,4H)‐diones under Metal‐free Conditions Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-07 Xing‐Lan Wang; Xue Bai; Chun‐Feng Wu; Yong‐Xi Dong; Min Zhang; Ling‐Ling Fan; Lei Tang; Yuan‐Yong Yang; Ji‐Quan Zhang
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Synthesis of Phosphinopeptides and Phosphinodepsipeptides Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-23 Jiaxi Xu
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MeOTf‐Catalyzed Intramolecular Acyl‐Cyclization of Aryl Isocyanates: Efficient Access to Phenanthridin‐6(5H)‐one and 3,4‐Dihydroisoquinolin‐1(2H)‐one Derivatives Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-10-21 Song Zou; Zeyu Zhang; Chao Chen; Chanjuan Xi
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Reusable Silica‐Supported Ammonium BINSate Catalysts for Enantio‐ and Diastereoselective Friedel–Crafts‐Type Double Aminoalkylation of N‐Alkylpyrroles with Aldimines Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-13 Manabu Hatano; Xue Zhao; Takuya Mochizuki; Kyogo Maeda; Ken Motokura; Kazuaki Ishihara
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Asymmetric Synthesis of 3‐Pyrrolines through an Aryne‐Induced Domino Process Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-22 Jih Ru Reuben Hwu; Avijit Panja; Nitesh K. Gupta; Wen-Chieh Huang; Yu-Chen Hu; Chun-Cheng Lin; Kuo-Chu Hwang; Wei-Jen Chan; Shwu-Chen Tsay
Production of chiral compounds by green processes like domino reactions is of importance to environmental protection and sustainable development. Nevertheless, finding an appropriate catalyst to control enantioselectivity with satisfaction is a major challenge. Here, we report the accomplishment of a newly developed domino reaction for synthesizing optically active 3‐pyrrolines, a class of compounds
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Diastereoselective Rhodium‐Catalyzed [(3+2+2)] Carbocyclization Reactions with Tethered Alkynylidenecyclopropanes: Synthesis of the Tremulane Sesquiterpene Natural Products Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-20 P. Andrew Evans; Molly J. Dushnicky; Dasol Cho; Jadab Majhi; Seulhui Choi; Bhavin V. Pipaliya; Phillip A. Inglesby; Mu-Hyun Baik
The development of a diastereoselective intramolecular rhodium‐catalyzed [(3+2+2)] carbocyclization reactions of allyl ester‐tethered alkynylidenecyclopropanes (ACPs) for the construction of the 5,7,5‐tricyclic scaffold of the tremulane sesquiterpene natural products is described. This work illustrates that the stereoelectronic nature of the phosphite ligand is critical for attaining high levels of
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(p‐(Diphenylarsino)phenyl)diphenylphosphine as a Novel Template for Heterodinuclear Complexes Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-30 Ippei Akioka; Akifumi Sumida; Aya Urushizaki; Hiroaki Imoto; Kensuke Naka
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Front Cover: From Chitin to CHILs: First Glucosamine based Ionic Liquids (Asian J. Org. Chem. 12/2020) Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-04 Mirai Komabayashi; Toshiki Nokami; Stefan Jopp
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Cover Feature: Enhancing Photostability of a Coumarin Dye by Self‐inclusion into a Cyclodextrin Cavity in Aqueous Solution and Living Cells (Asian J. Org. Chem. 12/2020) Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-07 Hajime Shigemitsu; Keigo Matsuda; Tadashi Mori; Hirotaka Nakatsuji; Michiya Matsusaki; Toshiyuki Kida
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Cover Feature: Gold‐catalyzed Cyclization of Non‐conjugated Ynone‐oxime Derivatives: Incorporation of Solvent Molecule (Asian J. Org. Chem. 12/2020) Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-12-04 Volkan Taşdemir; Nurettin Menges
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Transition Metal‐Catalyzed Cycloaddition of Azides with Internal Alkynes Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-11-10 Jiahao Ma; Shengtao Ding
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Transition‐Metal‐Catalyzed Propargylic Substitution of Propargylic Alcohol Derivatives Bearing an Internal Alkyne Group Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-10-05 Hiroaki Tsuji; Motoi Kawatsura
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Recent Advances in Reductive Desymmetrization of Diketones Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-10-28 Yi‐Xuan Ding; Zhou‐Hao Zhu; Chang‐Bin Yu; Yong‐Gui Zhou
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Regio‐ and Site‐selective Molecular Rearrangements by Homogeneous Gold Catalysis Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-10-07 Chandrasekar Praveen
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Recent Advances in Stetter Reaction and Related Chemistry: An update Asian J. Org. Chem. (IF 3.13) Pub Date : 2020-10-08 Majid M. Heravi; Vahideh Zadsirjan; Kosar Kafshdarzadeh; Zahra Amiri
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