noncovalent attractive interactions through fine-tuning of the remote substituents of the D2-symmetric chiral amidoporphyrin ligand. This noncovalent interaction strategy presents a solution that may be generally applicable in controlling reactivity and enantioselectivity in intermolecularradical reactions. The Co(II)-catalyzed intermolecular C-H amination, which operates under mild conditions with the C-H
Selective radical amination of aldehydic C(sp<sup>2</sup>)–H bonds with fluoroaryl azides via Co(<scp>ii</scp>)-based metalloradical catalysis: synthesis of N-fluoroaryl amides from aldehydes under neutral and nonoxidative conditions
作者:Li-Mei Jin、Hongjian Lu、Yuan Cui、Christopher L. Lizardi、Thiago N. Arzua、Lukasz Wojtas、Xin Cui、X. Peter Zhang
DOI:10.1039/c4sc00697f
日期:——
proven to be an effective metalloradical catalyst for intermolecularamination of C(sp2)–H bonds of aldehydes with fluoroaryl azides. The [Co(P1)]-catalyzed process can employ aldehydes as the limiting reagents and operate under neutral and nonoxidative conditions, generating nitrogen gas as the only byproduct. The metalloradical aldehydic C–H amination is suitable for different combinations of aldehydes
D 2h对称酰胺卟啉 3,5-Di t Bu-IbuPhyrin [Co( P1 )]的 Co( II ) 配合物已被证明是一种有效的金属基催化剂,用于 C(sp 2 )–H 键的分子间胺化醛与氟芳基叠氮化物。[Co( P1 )]-催化过程可以使用醛作为限制试剂并在中性和非氧化条件下运行,产生氮气作为唯一的副产品。金属基醛 C-H 胺化适用于醛和氟芳基叠氮化物的不同组合,产生相应的N-氟芳基酰胺的产率非常好。一系列机理研究支持 Co( II ) 催化的分子间 C-H 胺化的逐步自由基机制。
Synthesis and antimicrobial activity of some novel benzofuran based 1,2,3-triazoles
作者:V. Sunitha、A. Kishore Kumar、B. Shankar、A. Anil Kumar、T. M. Krishna、Ch. A. Lincoln、J. Pochampalli
DOI:10.1134/s1070363217020281
日期:2017.2
In the present study, a series of novel 6-[(1H-1,2,3-triazol-4-yl)methoxy]-3-methylbenzofuran-2-yl}(phenyl)methanones (7a–7o) have been synthesized using click chemistry approach. The structures of all newly synthesized compounds were characterized by FT-IR, 1H and 13C NMR, and MASS spectral data. Most of products demonstrated high antimicrobial activity.
在本研究中,一系列新颖的6-[(1 H -1,2,3-三唑-4-基)甲氧基] -3-甲基苯并呋喃-2-基}(苯基)亚甲基(7a-7o)具有使用点击化学方法合成。所有新合成化合物的结构均通过FT-IR,1 H和13 C NMR以及MASS光谱数据表征。大多数产品显示出很高的抗菌活性。
Iron (III)‐porphyrin Complex FeTSPP as an efficient catalyst for synthesis of tetrazole derivatives
<i>via</i>
[2 + 3]cycloaddition reaction in aqueous medium
作者:Mahmoud Abd El Aleem Ali Ali El‐Remaily、O.M. Elhady
DOI:10.1002/aoc.4989
日期:2019.8
metal complex (5,10,15,20‐tetrakis‐(4‐sulfonatophenyl)‐porphyrin‐iron (III) chloride (FeTSPP) was new employed in an environmentally benign protocol as an efficient catalyst for a “click” chemistry approach for the synthesis of tetrazole and guanindinyltetrazole derivatives via [2 + 3] cycloaddition reaction of nitriles and azide derivatives in aqueous medium. The synthesized compounds were obtained in
triazoles with improved antifungalactivity in vitro and in vivo, a series of 41 novel compounds containing 1,2,3-triazole side chains were designed and synthesized via a click reaction based on our previous work. Most of the compounds showed moderate to excellent broad-spectrum antifungalactivity in vitro. Among them, the most promising compound 9A16 displayed excellent antifungal and anti-drug-resistant