Search Results - "Shen, Qilong"

Shelf-Stable Electrophilic Reagents for Trifluoromethylthiolation by Shao, Xinxin, Xu, Chunfa, Lu, Long, Shen, Qilong

“…Fluorine, which is the most electronegative element and has a small atomic radius, plays a key role in pharmaceutical, agrochemical, and materials sciences…”
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Progress in Copper-Mediated Formation of Trifluoromethylated Arenes by Liu, Tianfei, Shen, Qilong

“…Development of transition‐metal‐catalyzed trifluoromethylation of arene substrates under mild reaction conditions has attracted great attention in the past few…”
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N-Trifluoromethylthiosaccharin: An Easily Accessible, Shelf-Stable, Broadly Applicable Trifluoromethylthiolating Reagent by Xu, Chunfa, Ma, Bingqing, Shen, Qilong

“…A new, electrophilic trifluoromethylthiolating reagent, N‐trifluoromethylthiosaccharin, was developed and can be synthesized in two steps from saccharin within…”
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N‑Difluoromethylthiophthalimide: A Shelf-Stable, Electrophilic Reagent for Difluoromethylthiolation by Zhu, Dianhu, Gu, Yang, Lu, Long, Shen, Qilong

“…A new, electrophilic difluoromethylthiolating reagent N-difluoromethylthiophthalimide 3 was developed. Reagent 3 can be readily synthesized in four steps from…”
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Lewis Acid Mediated Trifluoromethylthio Lactonization/Lactamization by Xu, Chunfa, Shen, Qilong

“…A highly selective Lewis acid mediated trifluoromethylthio lactonization/lactamization of olefins is described. The reaction was proposed to proceed via a…”
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Structure–Reactivity Relationship of Trifluoromethanesulfenates: Discovery of an Electrophilic Trifluoromethylthiolating Reagent by Shao, Xinxin, Xu, Chunfa, Lu, Long, Shen, Qilong

“…A family of electrophilic trifluoromethanesulfenates was prepared. Structure–reactivity relationship studies showed that the substituted groups on the aryl…”
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Copper-Promoted Sandmeyer Difluoromethylthiolation of Aryl and Heteroaryl Diazonium Salts by Wu, Jiang, Gu, Yang, Leng, Xuebing, Shen, Qilong

“…An efficient copper‐promoted difluoromethylthiolation of aryl and heteroaryl diazonium salts is described. The reaction is conducted under mild reaction…”
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Facilitating the transmetalation step with aryl-zincates in nickel-catalyzed enantioselective arylation of secondary benzylic halides by Huang, Weichen, Hu, Mei, Wan, Xiaolong, Shen, Qilong

“…Nickel-catalyzed asymmetric cross-coupling of secondary alkyl electrophiles with different nucleophiles represents a powerful strategy for the construction of…”
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Enantioselective Construction of Trifluoromethoxylated Stereogenic Centers by a Nickel‐Catalyzed Asymmetric Suzuki–Miyaura Coupling of Secondary Benzyl Bromides by Huang, Weichen, Wan, Xiaolong, Shen, Qilong

“…Trifluoromethoxy‐substituted stereogenic centers can be constructed with high enantioselectivity by a nickel‐catalyzed Suzuki–Miyaura coupling of readily…”
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Silver-Catalyzed Decarboxylative Trifluoromethylthiolation of Aliphatic Carboxylic Acids in Aqueous Emulsion by Hu, Feng, Shao, Xinxin, Zhu, Dianhu, Lu, Long, Shen, Qilong

“…A silver‐catalyzed decarboxylative trifluoromethylthiolation of secondary and tertiary carboxylic acids under mild conditions tolerates a wide range of…”
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Highly Selective Trifluoromethylation of 1,3-Disubstituted Arenes through Iridium-Catalyzed Arene Borylation by Liu, Tianfei, Shao, Xinxin, Wu, Yaming, Shen, Qilong

“…The old one two: A sequential iridium‐catalyzed borylation and copper‐catalyzed trifluoromethylation of arenes is described (see scheme; Pin=pinacol). The…”
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Palladium-Catalyzed Coupling of Ammonia and Lithium Amide with Aryl Halides by Shen, Qilong, Hartwig, John F

“…A mild, palladium-catalyzed coupling of aryl halides with ammonia or lithium amide to form primary arylamines as the major product is described. These…”
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Iron-mediated Markovnikov-selective hydro-trifluoromethylthiolation of unactivated alkenes by Yang, Tao, Lu, Long, Shen, Qilong

“…An iron-mediated hydro-trifluoromethylthiolation of unactivated olefins under mild conditions was described for the first time. The reaction occurred to full…”
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Pd-Catalyzed Difluoromethylation of Vinyl Bromides, Triflates, Tosylates, and Nonaflates by Chang, Dalu, Gu, Yang, Shen, Qilong

“…Pd‐catalyzed difluoromethylation of di‐, tri‐ or tetra‐substituted vinyl bromides, triflates, tosylates and nonaflates under mild conditions is described. The…”
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Palladium-catalyzed difluoromethylation of heteroaryl chlorides, bromides and iodides by Lu, Changhui, Gu, Yang, Wu, Jiang, Gu, Yucheng, Shen, Qilong

“…A palladium-catalyzed difluoromethylation of a series of heteroaryl chlorides, bromides and iodides under mild conditions is described. A wide range of…”
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C(sp3)‑CF3 Reductive Elimination from a Five-Coordinate Neutral Copper(III) Complex by Liu, Shuanshuan, Liu, He, Liu, Shihan, Lu, Zehai, Lu, Changhui, Leng, Xuebing, Lan, Yu, Shen, Qilong

“…The reductive elimination from a high-valent late-transition-metal complex for the formation of a carbon–carbon or carbon–heteroatom bond represents a…”
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Highly Reactive, General and Long-Lived Catalysts for Palladium-Catalyzed Amination of Heteroaryl and Aryl Chlorides, Bromides, and Iodides: Scope and Structure–Activity Relationships by Shen, Qilong, Ogata, Tokutaro, Hartwig, John F

“…We describe a systematic study of the scope and relationship between ligand structure and activity for a highly efficient and selective class of catalysts…”
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Palladium-catalyzed difluoromethylthiolation of heteroaryl bromides, iodides, triflates and aryl iodides by Wu, Jiang, Liu, Yafei, Lu, Changhui, Shen, Qilong

“…A palladium-catalyzed difluoromethylthiolation of heteroaryl halides and triflates under mild conditions was described. A vast range of heteroaryl halides such…”
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Stereoselective formation of Z-monofluoroalkenes by nickel-catalyzed defluorinative coupling of gem‑difluoroalkenes with lithium organoborates by Xiao, Yisa, Huang, Weichen, Shen, Qilong

“…A method for stereoselective construction of Z-monofluoroalkenes by nickel-catalyzed defluorinative coupling of gem‑difluoroalkenes in mild conditions was…”
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Mechanically-Induced Chemical Changes in Polymeric Materials by Caruso, Mary M, Davis, Douglas A, Shen, Qilong, Odom, Susan A, Sottos, Nancy R, White, Scott R, Moore, Jeffrey S

“…Mechanically-induced chemical changes in polymers are examined. An in-depth investigation of how these changes take place reveals slippage in molecular…”
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