Direct N-methyl C-H esterification of O-tosyl hydroxamates to enable facile synthesis of hemiaminal esters [0.03%]
O-对甲苯磺酰羟胺的直接N-甲基碳氢酯化反应用于快速合成半缩氨酯类化合物
Jian-Chen Wu,Heng Yang,Zhi-Wen Luo et al.
Jian-Chen Wu et al.
Here we present a new method for synthesizing amide hemiaminal esters through the direct N-methyl C-H esterification of O-tosyl hydroxamates. This approach demonstrates good tolerance for a variety of functional groups and operates under mi...
Stereoselective synthesis of chalcogen-tethered γ-lactams via 5- exo-dig cyclisation under visible-light irradiation [0.03%]
可见光促进的开环复分解反应——串联5-endo-dig环化合成具有轴手性硫/硒杂环丁烷的γ-内酯类化合物
Silari MohanaKrishna,Vadla Shiva Prasad,Vadithya Ranga Rao et al.
Silari MohanaKrishna et al.
We report a rapid, eco-friendly, and catalyst-free method for the stereoselective synthesis of chalcogen-tethered γ-lactams under visible-light irradiation. Using dimethyl carbonate as a green solvent, the reaction proceeds via 5-exo-dig i...
Norsesquiterpenes from Lolium perenne and Their Replacement Control of an Invasive Plant, Ageratina adenophora, Through Allelopathy [0.03%]
意大利黑麦草驱马勃内酯类化学成分及其化感活性研究
Wenbo Shi,Tong An,Xiaomin Yang et al.
Wenbo Shi et al.
Lolium perenne (Poaceae), a perennial forage, has high economic and nutritional value. It is often used as a replacement control for some invasive plants, as it has achieved good ecological and economic effects. However, its control effects...
Effects of Diverse Acrylates on the Electro-Optical Performance of Polymer-Dispersed Liquid Crystal Films [0.03%]
不同丙烯酸酯类化合物对聚合分散液晶薄膜电光特性的影响研究
Nan Sun,Zuowei Zhang,Huai Yang
Nan Sun
This study investigated the influence of different functional groups on the electro-optical properties of polymer-dispersed liquid crystal (PDLC) films. Twelve acrylate monomers with functional groups like amino, halogen, and double-bond we...
Towards Greener Synthesis of Substituted 3-Aminophthalates Starting from 2 H-Pyran-2-ones via Diels-Alder Reaction of Acetylenedicarboxylates [0.03%]
以乙炔二羧酸酯的Diels-Alder反应起始的2H-吡喃-2-酮类化合物合成3-氨基邻苯二甲酸酯类化合物的研究进展
Dominik Fendre,Miha Lukšič,Krištof Kranjc
Dominik Fendre
The aim of this work was to prepare a large set of variously substituted 3-aminophthalates starting from substituted 3-acylamino-2H-pyran-2-ones acting as dienes in Diels-Alder reactions with dialkyl acetylenedicarboxylates having the role ...
Can phthalate esters be used as tracers for benzotriazole ultraviolet stabilizers in aquatic environments? A case study of the Huangpu River, Shanghai, China [0.03%]
增塑剂可以作为紫外线吸收剂在水环境中示踪物的案例研究——以上海黄浦江为例
Zhenguo Wang,Huimin Zhou,Weiwei Yang et al.
Zhenguo Wang et al.
Benzotriazole ultraviolet stabilizers (BUVSs) and phthalate esters (PAEs), widely employed industrial additives, have raised ecological concerns due to their potential environmental risks. However, their co-occurrence patterns in aquatic sy...
Modeling the Effects of Vaccination and Treatment With Third-Generation Macrolides or Oxytetracyclines on Persistence and Impact of Contagious Bovine Pleuropneumonia [0.03%]
疫苗和第三代大环内酯类或奥希替特林类药物治疗对牛传染性胸膜肺炎持续性和影响的模拟研究
Jeffrey C Mariner,Hezron Wesonga,Geoffrey Muuka et al.
Jeffrey C Mariner et al.
This research assesses the impact of contagious bovine pleuropneumonia (CBPP) vaccination, treatment, and combined vaccination and treatment at the herd and population level in heterogeneous, stochastic, state-transition models of CBPP tran...
Structural insights into context-specific inhibition of bacterial translation by macrolides [0.03%]
巨环抗生素特异性抑制细菌蛋白质合成的机制研究
Egor A Syroegin,Elena V Aleksandrova,Artem A Kruglov et al.
Egor A Syroegin et al.
The ribosome's peptidyl transferase center (PTC) catalyzes peptide bond formation during protein synthesis and is targeted by many antibiotic classes. Remarkably, macrolides that bind in the peptide exit tunnel some ∼10Å away from the PTC...
Transepithelial transport and mechanism of pyrethroids across Caco-2 cells mediated by transporters [0.03%]
转运蛋白介导的除虫菊酯类化合物跨CaCo-2细胞上皮转运及机制研究
Yuying Liu,Sai Zhang,Tingting Li et al.
Yuying Liu et al.
Oral ingestion is the primary route of human exposure to pesticide residues in agricultural products, with intestinal absorption playing a pivotal role in determining their bioavailability. This study investigated the transepithelial transp...
Whole Genome Data Analysis from a One Health Perspective Reveals Global Landscape of Antimicrobial Resistance in Campylobacter jejuni Over the Past Decade, Revealing Striking Prevalence of Aminoglycoside, Tetracycline, and Macrolide Resistance Genes in Asia [0.03%]
基于全球健康角度的全基因组数据揭示了过去十年来空肠弯曲杆菌抗微生物药物耐药性的全球格局，亚洲地区氨基糖苷类、四环素类和大环内酯类抗生素抗性基因尤为突出
Vidhi Shah,Milan Dabhi,Richa Soni et al.
Vidhi Shah et al.
This study presents a comprehensive global analysis of the antimicrobial resistance (AMR) landscape in Campylobacter jejuni, a leading cause of foodborne diarrheal disease and a priority pathogen with increasing resistance. By utilizing who...
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