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The oxa-Michael reaction in the synthesis of 5- and 6-membered oxygen-containing heterocycles Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-19 Tauqir Ahmad; Nisar Ullah
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Isoishwarane synthase from Streptomyces lincolnensis Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-19 Houchao Xu; Jan Rinkel; Jeroen S. Dickschat
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3,6-Diamino-7,8-dihydroisoquinoline-4-carbonitrile derivatives: unexpected facile synthesis, full-color-tunable solid-state emissions and mechanofluorochromic activities Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-11 Xinyu Zhang; Dan Wang; Hao Shen; Shuxian Wang; Yunbing Zhou; Yunxiang Lei; Wenxia Gao; Miaochang Liu; Xiaobo Huang; Huayue Wu
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Recent advances in cascade radical cyclization of radical acceptors for the synthesis of carbo- and heterocycles Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-8 Jianhua Liao; Xiao Yang; Lu Ouyang; Yinlong Lai; Jiuzhong Huang; Renshi Luo
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Fused ambipolar aza-isoindigos with NIR absorption Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-8 Liping Yao; Danlei Zhu; Hailiang Liao; Sheik Haseena; Mahesh Kumar Ravva; Shengyu Cong; Liuyuan Lan; Yazhou Wang; Zhengke Li; Lang Jiang; Wan Yue
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Recent advances in hydride transfer-involved C(sp3)–H activation reactions Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-7 Xiao-De An; Jian Xiao
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Regioselective synthesis of fused oxa-heterocycles via iodine-mediated annulation of cyclic 1,3-dicarbonyl compounds with propargylic alcohols Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-11 Liang Zhang; Neng-Jie Mou; Dong-Rong Xiao; Xin Zhuang; Xiao-Long Lin; Tian Cai; Qun-Li Luo
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Constructing chiral aza-quaternary carbon centers by enantioselective carbonylative Heck reaction of o-iodoanilines with allenes Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-30 Zhengshuai Xu; Chaoren Shen; Hongru Zhang; Peng Wang; Kaiwu Dong
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Photoexcited molecular probes for selective and revertible imaging of cellular reactive oxygen species Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-20 Ying Wen; Zhiqing Long; Fangjun Huo; Caixia Yin
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An electrochemical perspective on the roles of ligands in the merger of transition-metal catalysis and electrochemistry Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-28 Jun-Song Zhong; Yi Yu; Zhaojiang Shi; Ke-Yin Ye
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Synthesis of isoxazolidines via catalyst-free one-pot three-component cycloaddition of sulfoxonium ylides, nitrosoarenes and alkenes Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-12 Xing Li; Pingan Zhai; Yongsheng Fang; Wenhui Li; Honghong Chang; Wenchao Gao
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Intermolecular alkene arylcyanation using BnSCN as a cyanide source via a reductive strategy: access to 3,3-disubstituted oxindoles Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-6 Yunxia Feng; Shen Zhao; Guopeng Du; Shuang Zhang; Daopeng Zhang; Hui Liu; Xinjin Li; Yunhui Dong; Feng-Gang Sun
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Facile access to benzofuran-fused tetrahydropyridines via catalytic asymmetric [4 + 2] cycloaddition of aurone-derived 1-azadienes with 3-vinylindoles Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-5 Wai Lean Koay; Guang-Jian Mei; Yixin Lu
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Synthesis of polycyclic naphthols and naphthalenes via tandem Ti(Oi-Pr)4-promoted photoenolization Diels–Alder reaction and aromatization Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-4 Xiao-Long Lu; Baochao Yang; Haibing He; Shuanhu Gao
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Photochemical synthesis of 3-hydroxyphenanthro[9,10-c]furan-1(3H)-ones from α-keto acids and alkynes Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-4 Beibei Zhao; Zhen Zhang; Yu Ge; Pinhua Li; Tao Miao; Lei Wang
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Template-driven construction of [8]-imidazolium macrocycles Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-4 Kai Hua; Ming-Ming Gan; Xue-Ru Liu; Le Zhang; Yuan-Yuan An; Ying-Feng Han
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Rh(III)-Catalyzed sulfonylamination of α-indolyl alcohols via Csp2–Csp3 bond cleavage Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-30 Xinwei Hu; Zheng Tan; Zhipeng Liu; Fengjuan Chen; Huanfeng Jiang; Wei Zeng
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A self-assembled tetrathiafulvalene box Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-8 Serhii Krykun; Vincent Croué; Olivier Alévêque; Eric Levillain; Magali Allain; Cécile Mézière; Vincent Carré; Frédéric Aubriet; Zoia Voïtenko; Sébastien Goeb; Marc Sallé
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Stereoselective and applications of spirocyclic oxindoles Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-6 Alexander J. Boddy; James A. Bull
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Thermodynamic and kinetic studies of hydride transfer from Hantzsch ester under the promotion of organic bases Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-4 Zhen Li; Jin-Dong Yang; Jin-Pei Cheng
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Multi-component syntheses of 2-pyrrolines and organocatalytic asymmetric syntheses of functionalized chiral 2-pyrrolines Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-30 Yuan Zhong; Xiaoqiang Zhao; Xiaoyun Zhao; Dan Zhang; Wenli Li; Shouhui Wei; Fanhong Liu; Jihua Yu; Guichen Li; Dandan Wang
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(±)-Pinnatifidaones A–D, four pairs of highly modified neolignan enantiomers with a rare spirocyclohexenone skeleton from Crataegus pinnatifida Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-6 Rui Guo; Peng Zhao; Xiaoqi Yu; Guodong Yao; Bin Lin; Xiaoxiao Huang; Shaojiang Song
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Generation and precise control of sulfonyl radicals: visible-light-activated redox-neutral formation of sulfonates and sulfonamides Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-30 Mingjun Zhang; Xin Ding; Aidang Lu; Jin Kang; Yongyue Gao; Ziwen Wang; Hongyan Li; Qingmin Wang
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Substrate-induced DMSO activation and subsequent reaction for rapid construction of substituted pyrimidines Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-30 Anan Wang; Xuesong Liu; Yi Kong; Jing Wang; Tao-Shan Jiang
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Carbon dioxide-promoted palladium-catalyzed dehydration of primary allylic alcohols: access to substituted 1,3-dienes Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-30 Yan-Kai Huang; Wen-Zhen Zhang; Ke Zhang; Wen-Le Wang; Xiao-Bing Lu
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Recent advances in the asymmetric transformations of achiral cyclohexadienones Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-21 Bo Chen; Cheng-Yu He; Wen-Dao Chu; Quan-Zhong Liu
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Tunable synthesis of benzothiophene fused pyranone and thiochromen fused furan derivatives via a domino process Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-21 Qingsong Deng; Aimin Yu; Shunguang Zhang; Xiangtai Meng
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Metallaphotoredox-catalyzed C–H activation: regio-selective annulation of allenes with benzamide Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-4 Tianlei Li; Jishun Li; Zihao Zhu; Yuyuan Chen; Xueyao Li; Qingyun Yang; Jie Xia; Wenxuan Zhang; Chao Zhang; Weidong Pan; Song Wu
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Copper-catalyzed three-component oxycyanation of alkenes Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-25 Yuehua Zeng; Yajun Li; Daqi Lv; Hongli Bao
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Synthesis of spiro(indoline-2,3′-hydropyridazine) via an “on-water” [4 + 2] annulation reaction Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-22 Wei-Fang Zuo; Jin Zhou; Yu-Ling Wu; Hua-Ying Fang; Xing-Jiang Lang; Ya Li; Gu Zhan; Bo Han
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Ruthenium-catalysed C–H/C–N bond activation: facile access to isoindolinones Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-21 Xiao-Qiang Hu; Ye-Xing Hou; Zi-Kui Liu; Yang Gao
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Ring expansion and ring opening of 3-halooxindoles with N-alkoxycarbonyl-O-tosylhydroxylamines for divergent access to 4-aminoquinolin-2-ones and N-Cbz-N’-arylureas Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-23 Wei-Cheng Yuan; Jian Zuo; Shu-Pei Yuan; Jian-Qiang Zhao; Zhen-Hua Wang; Yong You
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Metal-free visible-light-induced photoredox-catalyzed intermolecular pyridylation/phosphinoylation of alkenes Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-22 Jiaxuan Shen; Yipin Zhang; Yanjiang Yu; Manman Wang
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An organocatalytic enantioselective ring-reorganization domino sequence of methyleneindolinones with 2-aminomalonates Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-17 Ji-Wei Ren; Zhen-Zhen Xie; Lan Zheng; Zhi-Peng Ye; Zhi-Xiong Deng; Qing-Lan Zhao; Jun-An Xiao; Kai Chen; Hao-Yue Xiang; Xiao-Qing Chen; Hua Yang
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A unique high-diversity natural product collection as a reservoir of new therapeutic leads Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-11 Francesca Ghirga; Deborah Quaglio; Mattia Mori; Silvia Cammarone; Antonia Iazzetti; Antonella Goggiamani; Cinzia Ingallina; Bruno Botta; Andrea Calcaterra
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Visible-light-induced metal-free cascade cyclization of N-arylpropiolamides to 3-phosphorylated, trifluoromethylated and thiocyanated azaspiro[4.5]trienones Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-21 Fan-Lin Zeng; Xiao-Lan Chen; Kai Sun; Hu-Lin Zhu; Xiao-Ya Yuan; Yan Liu; Ling-Bo Qu; Yu-Fen Zhao; Bing Yu
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Rh(III)-Catalyzed switchable C–H monoalkenylation and dialkenylation of 2-(1H-pyrazol-1-yl)pyridine with alkenes via rollover cyclometalation Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-17 Haifang Meng; Fang Yang; Mengjia Chen; Chen Chen; Bolin Zhu
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Design of (β-diazo-α,α-difluoroethyl)phosphonates and their application as masked carbenes in visible light-promoted coupling reactions with sulfonic acids Org. Chem. Front. (IF 5.155) Pub Date : 2021-1-4 Haibo Mei; Jiang Liu; Romana Pajkert; Li Wang; Gerd-Volker Röschenthaler; Jianlin Han
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Catalytic enantioselective synthesis of indolizino[8,7-b]indole alkaloid derivatives based on the tandem reaction of tertiary enamides Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-10 Xin-Ming Xu; Ming Xie; Jiazhu Li; Mei-Xiang Wang
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Deaminative carbonylative thioesterification of activated alkylamines with thiophenols under transition-metal-free conditions Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-17 Fengqian Zhao; Xiao-Feng Wu
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Chemical synthesis of quillaic acid, the aglycone of QS-21 Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-16 Zhi-Yong Zeng; Jin-Xi Liao; Zhen-Ni Hu; De-Yong Liu; Qing-Ju Zhang; Jian-Song Sun
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Carbene-catalyzed selective addition of isothioureas to enals for access to sulphur-containing 5,6-dihyropyrimidin-4-ones Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-11 Rakesh Maiti; Jun Xu; Jia-Lei Yan; Bivas Mondal; Xing Yang; Huifang Chai; Lin Hao; Zhichao Jin; Yonggui Robin Chi
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Rational design and syntheses of aniline-based diradical dications: isolable congeners of quinodimethane diradicals Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-10 Yong Fang; Qiang Sun; Xiaoyu Chen; Yunfan Qiu; Chao Chen; Lei Wang; Yue Zhao; Yuanting Su; Tao Li; Li Zhang; Xinping Wang
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Recent developments in the synthesis of azaindoles from pyridine and pyrrole building blocks Org. Chem. Front. (IF 5.155) Pub Date : 2020-11-26 Damoder Reddy Motati; Radhika Amaradhi; Thota Ganesh
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Recent advances in transition metal-catalyzed olefinic C–H functionalization Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-23 Bingxian Liu; Lingyun Yang; Pengfei Li; Fen Wang; Xingwei Li
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Photocatalytic intramolecular radical cyclization involved synergistic SET and HAT: synthesis of 3,3-difluoro-γ-lactams Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-16 Xiaohui Zhuang; Xiayue Shi; Rui Zhu; Bin Sun; WeiKe Su; Can Jin
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Modulating the properties of buckybowls containing multiple heteroatoms Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-14 Guanxing Zhu; Yujun Song; Qianyu Zhang; Weiwei Ding; Xinxin Chen; Yuannan Wang; Gang Zhang
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Radical generation from electroreduction of aryl and benzyl ammonium salts: synthesis of organoboronates Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-12 Xianqiang Kong; Long Lin; Qianjin Chen; Bo Xu
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Electrochemically promoted C-3 amination of 2H-indazoles Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-11 Mingli Sun; Yuhui Zhou; Laiqiang Li; Lei Wang; Yongmin Ma; Pinhua Li
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Mechanistic insights into the rhodium–copper cascade catalyzed dual C–H annulation of indoles Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-10 Xiaoqian He; Lei Zhu; Dan Heng; Fenru Liu; Shihan Liu; Kangbao Zhong; Chunhui Shan; Ruopeng Bai; Yu Lan
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Palladium-catalyzed directing group assisted and regioselectivity reversed cyclocarbonylation of arylallenes with 2-iodoanilines Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-7 Jian-Shu Wang; Lingyun Yao; Jun Ying; Xiaoling Luo; Xiao-Feng Wu
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Arylation of enelactams using TIPSOTf: reaction scope and mechanistic insight Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-7 Tomasz J. Idzik; Zofia M. Myk; Łukasz Struk; Magdalena Perużyńska; Gabriela Maciejewska; Marek Droździk; Jacek G. Sośnicki
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Iron-catalyzed hydrogen atom transfer induced cyclization of 1,6-enynes for the synthesis of ketoximes: a combined experimental and computational study Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-9 Mingming Zhao; Wei He; Liang-Hua Zou; Dawei Wang; Tian-Yu Sun; Xiao-Feng Xia
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Remote methylene C(sp3)–H functionalization enabled by organophosphine-catalyzed alkyne isomerization Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-9 De Wang; Zefeng Song; Jianyu Zhang; Tao Xu
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Exploring the tubular self-assembly landscape of dinucleobase amphiphiles in water Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-8 Paula B. Chamorro; Fatima Aparicio; Raquel Chamorro; Nerea Bilbao; Santiago Casado; David González-Rodríguez
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Transition-metal-free synthesis of 5-amino-1,2,3-triazoles via nucleophilic addition/cyclization of carbodiimides with diazo compounds Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-9 Shilong Wang; Yuanyuan Zhang; Guixin Liu; Hui Xu; Lijuan Song; Jinchun Chen; Jiazhu Li; Zhen Zhang
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Switchable and efficient conversion of 2-amido-aryl oxazolines to quinazolin-4(3H)-ones and N-(2-chloroethyl)benzamides Org. Chem. Front. (IF 5.155) Pub Date : 2020-12-8 Weiqiang Chen; Mei Liu; Hui-Jing Li; Yan-Chao Wu
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Cascade C–N bond cleavage of amides/intramolecular amination reactions: an atom economical way to α-cabolin-4-ones Org. Chem. Front. (IF 5.155) Pub Date : 2020-11-28 Ye Wang; Zhong Zheng; Yang Yuan; Mengdan Wang; Zixia Guo; Yuan-Ye Jiang; Li-Ping Bai; Yanzhong Li
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Orientation of the α-CD component of [2]rotaxanes affects their specific molecular recognition behaviour Org. Chem. Front. (IF 5.155) Pub Date : 2020-11-26 Takuya Iwamoto; Shinobu Miyagawa; Masaya Naito; Yuji Tokunaga
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Diverse prieurianin-type limonoids with oxygen-bridged caged skeletons from two Aphanamixis species: discovery and biomimetic conversion Org. Chem. Front. (IF 5.155) Pub Date : 2020-11-26 Panpan Zhang; Shang Xue; Wansha Huang; Chengcheng Wang; Zhirong Cui; Jun Luo; Lingyi Kong
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