Employment of a C(sp3)-based nucleophile for photoinduced palladium-catalysed cross-coupling [0.03%]
利用C(sp3)亲核试剂进行光诱导钯催化交叉偶联反应
Beom Ho Kim,Byeongdo Roh,Dong Jun Kim et al.
Beom Ho Kim et al.
The development of efficient methods for C(sp3)-C(sp3) bond formation remains a longstanding challenge in synthetic chemistry, especially in palladium catalysis employing sterically bulky electrophiles.
Dual Photoredox/Palladium Catalysis Enabled Enantioselective Heck/Reductive Allylic Homocoupling Reaction [0.03%]
基于双光氧化还原/钯催化的不对称Heck反应/烯丙位_homocoupling反应
Weiwei Zi,Ruiyuan Zhang,Hongfa Wang
Weiwei Zi
The merger of palladium-catalyzed Tsuji-Trost reactions with photochemical radical chemistry represents a cutting-edge field in transition metal catalysis. We report a photochemical palladium-catalyzed enantioselective Heck/reductive allyli...
Palladium-Catalyzed Alkyl Amination of Olefins via Radical-Polar Crossover at Room Temperature [0.03%]
室温下烯烃自由基极性交叉法合成仲胺的新策略 Palladium催化下的碳氢活化反应
Anurag Singh,Kuntal Pal,Sayan Dutta et al.
Anurag Singh et al.
In contrast to traditional ground-state palladium catalyzed alkyl Heck reactions, which are thermodynamically unfavourable and endothermic, excited-state palladium catalysis facilitates single-electron mechanisms, with light primarily driving the formation of alkyl radicals from triplet-state Pd(0).
Stereocontrolled synthesis of 3-hydroxy-2-piperidinone carboxamides by catalytic ring-opening aminolysis of bridged δ-lactam-γ-lactones [0.03%]
催化开环氨解合成手性3-羟基-2-哌啶酮羧酰胺
Timothy K Beng,Katharyn Curry,Alan Gitonga et al.
Timothy K Beng et al.
The scaffold hopping proceeds with exclusive acyl C-O bond cleavage under palladium catalysis and represents the first catalytic method for activating the acyl C-O bonds of γ-lactones.
Enantioselective Synthesis of Axially Chiral Alkylidenecyclobutanes via Palladium-Catalyzed N-Tosylhydrazone-Based Carbene Coupling [0.03%]
手性轴向含金环丁烷的烯基𬭩的不对称合成：基于N-对甲苯磺酰腙的钯催化偶联反应生成碳𬭩物种
Xiaoqin Ning,Tonglin Zhao,Yulei Zhu et al.
Xiaoqin Ning et al.
We herein disclose an enantioselective carbene cross-coupling reaction of cyclobutanecarbaldehyde-derived N-tosylhydrazones with aryl bromides, enabled by palladium catalysis in combination with an elaborately modified sulfinamide phosphine ligand (Sadphos).
Late-stage cross-electrophile coupling of arylthianthrenium salts with (hetero)aryl (pseudo)halides via palladium catalysis [0.03%]
钯催化芳基噻蒽盐与(杂)芳基((拟)卤代物的后期交叉偶联反应
Yuanhao Xie,Li Zhang,Tobias Ritter
Yuanhao Xie
Herein, we present a cross-coupling reaction of arylthianthrenium salts at a late stage with diverse (hetero)aryl (pseudo)halides under reductive conditions, in which a palladium(0) catalyst differentiates between two aryl electrophiles bas...
Palladium-Catalyzed Transfer Iodination from Aryl Iodides to Nonactivated C(sp3)-H Bonds [0.03%]
钯催化碘代芳烃对非活化C(sp3)–H键的交叉碘化反应
Emilien Le Saux,Bill Morandi
Emilien Le Saux
The method merges the concepts of shuttle and light-enabled palladium catalysis to employ aryl iodides as both hydrogen atom transfer reagents and iodine donors.
Access to 5- to 14-Membered N-Heterocycles by Alkylamination of 1,3-Dienes via Palladium Catalysis [0.03%]
钯催化1,3-二烯的烷基胺化合成含5-14元N-杂环化合物的途径
Guang-Qiang Tan,Qiao-Ling Zhou,Hai-Tao Qin et al.
Guang-Qiang Tan et al.
Medium-sized rings show great potential in medicinal chemistry but are difficult to achieve via direct cyclization reaction. We herein report a versatile and mild photocatalytic approach for synthesis of medium- and large-sized vinyl N-hete...
Kelvin Pak Shing Cheung,Vladimir Gevorgyan
Kelvin Pak Shing Cheung
ConspectusThe past decade has witnessed significant advancements of visible-light-induced photocatalysis, establishing it as a powerful and versatile tool in organic synthesis. The major focus of this field has centered on the development o...
Chiral Aldehyde/Palladium Catalysis Enables Asymmetric Branched-Selective Ring-Opening Functionalization of Methylenecyclopropanes with Amino Acid Esters [0.03%]
手性醛/钯催化使甲基环丙烷与氨基酸酯的支链选择性开环官能团化反应中的不对称合成成为可能
Fang Zhu,Hui He,Wei Wen et al.
Fang Zhu et al.
Achieving catalytic asymmetric functionalization of methylenecyclopropanes (MCPs) by selective C-C bond cleavage is a notable challenge due to the intricate reaction partners involved. In this work, we report that chiral aldehyde/palladium ...
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