Continuous-Flow Asymmetric Photocatalysis for the Synthesis of Natural and Unnatural α‑Amino Acid Derivatives [0.03%]
连续流动的不对称光催化合成天然及非天然α-氨基酸衍生物
Marcelo Straesser Franco,Rodrigo Costa E Silva,Rafael Alan Carvalho Souza et al.
Marcelo Straesser Franco et al.
Enantiomerically enriched α-amino acids and their derivatives are important building blocks, widely used in the pharmaceutical industry, drug research, and materials science. Therefore, the development of straightforward and versatile synt...
pH-Driven Hydrothermal Synthesis of Leiteite ZnAs2O4: Structure, Characterization, and Multifunctional Applications including Photocatalytic Dye Degradation, Catalytic Organic Transformation, and Antibacterial and Antioxidant Properties [0.03%]
pH驱动的Leiteite ZnAs2O4水热合成：结构、表征及其多功能应用包括光催化染料降解，催化有机转化，抗菌和抗氧化性能研究
Bibaswan Sen,Sayantani Paul,Ankita Banik et al.
Bibaswan Sen et al.
The leiteite ZnAs2O4 mineral has been successfully synthesized in the laboratory by a pH-assisted hydrothermal technique, as discovered previously from the Tsumeb mine, Oshikoto, Namibia. The as-synthesized material has been developed as an...
Multicomponent Photochemical Assembly of C(sp2)-S Substituted Imidazoles via Exciplex Formation [0.03%]
通过激发复合物形成构建C(sp²)-S取代咪唑的多组分光化学组装
Illán Tagarro,Helena F Piedra,Daniel González-Pinardo et al.
Illán Tagarro et al.
We report a visible-light-driven multicomponent strategy for the synthesis of S-functionalized imidazoles from readily available organic halides, isothiocyanates, and isocyanides. The method operates under mild, photocatalyst-free condition...
Electrochemical N‑Propargylation of N‑Heterocycles via Decarboxylation of Allenoic Acids [0.03%]
经烯酸脱羧的氮杂环化合物的电化学N-炔丙基化反应
Sarah Abdoun,Christophe Bour,Robert J Mayer et al.
Sarah Abdoun et al.
Broadly applicable and selective C-N bond formation remains a cornerstone challenge in organic synthesis. Although electrochemical methods have recently emerged as an efficient way for achieving decarboxylative C-N coupling, transforming al...
An Atypical Dinuclear Copper(II) 1,2,4-Triazolyl Complex as a Catalyst for Palladium-Free Csp-Csp Homocoupling of Phenylacetylene [0.03%]
一种非典型的二核铜（Ⅱ）1，2，4-三唑配合物可作为钯金属催化体系自由的Csp-Csp均相偶联反应催化剂应用于苯乙炔中
Lorenzo Luciani,Nicola Sargentoni,Magda Monari et al.
Lorenzo Luciani et al.
An unusual dinuclear copper-(II) complex, labeled as [L2Cu2(solv)2]•2-(solv) (where solv = CH3CN or H2O and L = 3,5-bis-(trifluoroacetamido)-1,2,4-triazo-1-yl), with L acting as an O,N,N',O'-donor chelating ligand, was prepared by reaction...
Revisiting the Crystal Structure of Metal-Organic Framework UTSA-16 for Chemical Consistency [0.03%]
从化学上重新审视金属有机框架UTSA-16的晶体结构以保持一致性
Giulio Bresciani,Marco Taddei
Giulio Bresciani
The metal-organic framework UTSA-16, based on K+, Co2+, and citrate as the organic linker and first reported in 2005, is one of the most attractive candidates as a solid adsorbent for postcombustion CO2 capture. Here, we revisit the crystal...
Pyrene-4,5-dione as a Visible-Light Organic Photocatalyst for Photooxidation, Photoredox, Energy Transfer, and Hydrogen Atom Transfer Reactions [0.03%]
荧光酮作为光氧化、光电化学、能量转移和氢原子转移反应的有机光催化剂用于可见光照明
Rodolfo I Teixeira,Joseph P Anslow,Nanci C de Lucas
Rodolfo I Teixeira
Pyrene-4,5-dione (PQ) is demonstrated to be a metal-free, visible-light organic photocatalyst capable of mediating four major photochemical activation modes: photooxidation, energy transfer, photoredox, and hydrogen atom transfer (HAT). Und...
Site-Selective C-H Functionalization on Coumarins Directed by Manganese: Mechanistic Insights from Time-Resolved Spectroscopy and Catalytic Development [0.03%]
金属锰催化香豆素选择性C-H功能化的机理研究及催化体系发展
Thomas J Burden,Jonathan B Eastwood,Emily A Thompson et al.
Thomas J Burden et al.
Mn-catalyzed C-H bond functionalization offers great potential in the synthesis of highly functionalized aromatic and heteroaromatic compounds, involving the intermediacy of manganacycles and their interception through reactions with approp...
Computational and Chemical Analysis of the Oxygen Atom Transfer Process of a Dioxo-Molybdenum Complex Incorporated into a Modified UiO-67 (Zr/Ti) [0.03%]
计算和化学分析掺杂改性UiO-67(Zr/Ti)中含钼配合物的氧原子转移过程
Laura Milena Valdivieso Zárate,Ernesto David González Cruz,Kerry Jeffry Wrighton-Araneda et al.
Laura Milena Valdivieso Zárate et al.
In the present work, a combined theoretical-experimental approach was employed to elucidate the structure of a modified UiO-67 (Zr/Ti) MOF functionalized with MoO2Cl2 through a three-step process and to propose a detailed mechanism for the ...
Is the Signal Worth the Noise? A Practical Guide to Charge-Tagging for ESI-MS Reaction Monitoring [0.03%]
信号值得噪声吗？ESI-MS反应监测中电荷标记的实用指南
Charles Killeen,Maxine A Turner,J Scott McIndoe
Charles Killeen
Electrospray ionization mass spectrometry (ESI-MS) has emerged as a uniquely powerful platform for real-time reaction monitoring. However, because ESI-MS inherently detects only charged species, the ionization process can alter the electron...