Asymmetric Construction of 1,4-Diketone Derivatives Containing a Less Accessible Acyclic Quaternary Carbon Stereocenter via Michael Addition/Rearrangement Cascade [0.03%]
Tao Liu,Chong-Dao Lu
Tao Liu
The stereoselective conjugate addition of β,β-disubstituted enesulfinamides to α-substituted nitroolefins, followed by transposition of sulfinylamino group, provides an efficient asymmetric synthetic route to 1,4-diketone derivatives. Th...
Han Wang,Mengting Wu,Qian Yang et al.
Han Wang et al.
A heterogeneous metallaphotocatalytic carbosulfonylation of vinyl amides has been developed using a recyclable bifunctional poly(heptazine imide) (PHI) photocatalyst bearing single-atom Ni sites (bpyNiSA-PHI). This robust protocol enables e...
Zhang Qi,Bo Gao,Yunlong Zuo et al.
Zhang Qi et al.
A series of BN-doped tetraarylethylene (TAE) molecules (BTPE, E-DBDPE, Z-DBDPE, and TBPE) with highly twisted conformations were synthesized and characterized. X-ray crystallographic analysis confirms their propeller-like geometry, and no s...
Synthesis of Peropyrene Diimide and Its Cyanated Derivative for n-Type Organic Thin-Film Transistors [0.03%]
Yu Zhang,Mengyi Shen,Luyao Dai et al.
Yu Zhang et al.
Polycyclic aromatic hydrocarbons (PAHs) imides have garnered a substantial amount of attention owing to their unique optoelectronic properties and versatile applications. Herein, we report the synthesis of 1,10,11,14-peropyrene diimide (PPD...
Electronic-Structure-Regulated Hydrogen Atom Transfer for the Construction of High-Performance Nitroimino-Functionalized Fused Heterocyclic Energetic Materials [0.03%]
Yu Sha,Zhiwei Zeng,Mingjie Tang et al.
Yu Sha et al.
Balancing high energy density with low sensitivity remains a key challenge in the development of advanced energetic materials. Here, we present an electronically self-regulation-driven hydrogen atom transfer strategy for the construction of...
Iodanyl Radical Catalysis Enables a Decarboxylative Giese Reaction with Alkyl Carboxylic Acids [0.03%]
Yu Liu,Yongjie Zhang,Qihao Tang et al.
Yu Liu et al.
I(I)/I(II) iodanyl radical catalysis offers distinct reactivity but remains underexplored due to open-shell instability. Here we report a redox-neutral, metal-free dual catalytic platform that merges iodanyl radical catalysis with photoredo...
Palladium-Catalyzed Late-Stage Alkenylation of Aryl Fluorosulfonates and Phenol-Containing Drugs [0.03%]
Jingwen Xi,Haoyu Cheng,Yu Meng et al.
Jingwen Xi et al.
A modular palladium-catalyzed alkenylation of a number of aryl fluorosulfonates and phenol-containing drugs such as estrone, pterostilbene, 6-hydroxyflavone, and other phenol-based pharmaceuticals has been developed. This method enables eco...
Rh(II)-Catalyzed Enantioselective B-H Insertion of Cyclic Alkyl-Donor Carbene Generated from Diynes [0.03%]
Shunlong Liu,Rui Wu,Shifa Zhu
Shunlong Liu
An enantioselective B-H bond insertion has been developed by employing a cyclic alkyl-donor carbene generated from diynes. Using trimethylamine borane, the reaction provides boron-substituted furan-fused dihydropiperidines bearing a carbon ...
Taku Wakabayashi,Yaoyue Liu,Itziar Guerrero et al.
Taku Wakabayashi et al.
We herein report a potent photocatalytic system for arene C-H amination utilizing an isoquinolinium photooxidant. The key to the process involves in situ protonation of neutral isoquinoline precatalyst IQ1. Resulting isoquinolinium IQ1•H+ ...
Avinash D Rokade,Nikhil M Teke,Kishor L Handore
Avinash D Rokade
Palladium-catalyzed annulation presents a new approach for synthesizing indanones from readily available N-acyl saccharins and bicyclic alkenes with high yields. This reaction proceeds via cleavage of the C-H, C-C, and C-N bonds of the acyl...