Optimizing extraction of microbial DNA from urine: Advancing urinary microbiome research in bladder cancer [0.03%]
优化从尿液中提取微生物DNA的方法：推进膀胱癌的尿液菌群研究
Chuang-Ming Zheng,Ho Won Kang,Seongmin Moon et al.
Chuang-Ming Zheng et al.
DNA extraction was performed using three protocols: the standard protocol (SP), water dilution protocol (WDP), and chelation-assisted protocol (CAP). DNA quality (concentration, purity, and contamination levels) was assessed using NanoDrop spectrophotometry.
Ruthenium Catalyzed Site Selective Annulation of Benzoxazinones. An Easy Access to Dihydroisoquinoline Benzamide Derivatives [0.03%]
钌催化位点选择性并合反应苯并恶嗪酮的合成及二氢异喹啉苯甲酰胺类化合物的合成研究
Subir Panja,Biprajit Paul,Chandan Nandi et al.
Subir Panja et al.
A ruthenium-catalyzed chelation-assisted substrate-controlled, site selective, one pot three component cascade dehydrogenative annulation reaction is reported.
Transition-metal-catalyzed auxiliary-assisted C-H functionalization using vinylcyclopropanes and cyclopropanols [0.03%]
金属催化辅助试剂促进的烯丙基环丙烷和环丙醇参与的C-H功能化反应
Shubhajit Basak,Tripti Paul,Santu Mandal et al.
Shubhajit Basak et al.
Transition-metal-catalyzed chelation-assisted C-H functionalization exploiting small strained rings has surfaced as an appealing strategy, offering a robust platform for the construction of complex molecules in a step- and atom-economic fashion.
Palladium-Catalyzed Solvent-Controlled Divergent C2/C5 Site-Selective Alkynylation of Pyrrole Derivatives [0.03%]
钯催化溶剂控制的吡咯衍生物C2/C5位点选择性炔基化反应
Zeng Huang,Chenjie Zhang,Pengfei Zhou et al.
Zeng Huang et al.
In the presence of 1,4-dioxane, the C2-alkynylation process via chelation-assisted palladation is favored.
Unveiling the Centrosymmetric Effect in the Design of Narrowband Fluorescent Emitters: From Single to Double Difluoroboron Cores [0.03%]
揭秘中心对称性在窄带荧光发射体设计中的作用：从单核到双核difluoroboron
Ge Yang,Junjie Liu,Yudong Yang et al.
Ge Yang et al.
In this work, we present a dual chelation-assisted C-H/C-H homocoupling strategy to efficiently synthesize the 3,3'-amino-2,2'-bipyridine skeleton, enabling the straightforward construction of a series of symmetric cs-DAPBF2-based fluorescent emitters.
Chelation-assisted and steric-controlled selectivity in the Pd-catalyzed C-H/C-H oxidative coupling of indoles [0.03%]
钯催化吲哚C-H/C-H氧化偶联反应的配位辅助及立体控制选择性研究
Muniyappa Vijaykumar,Chandini Pradhan,Rajesh G Gonnade et al.
Muniyappa Vijaykumar et al.
We report the first regioselective C2-C7 oxidative coupling of indoles using a palladium catalyst upon the strategic installation of N-pyridinyl and C3-carbonyl, which delivers 2,7-biindoles with a broad scope (25 examples; up to 93% yield)...
Solid acids as cocatalysts in the chelation-assisted hydroacylation of alkenes and alkynes [0.03%]
茋类固体酸在配体协助的烯烃/炔烃加氢酰化反应中的应用研究
Blanca I Vergara-Arenas,Eréndira García-Ríos,Rubén Gaviño et al.
Blanca I Vergara-Arenas et al.
The use of homogeneous Brønsted acid cocatalysts (such as benzoic acid) in hydroacylation reactions via imine intermediates has been extensively studied. However, the use of heterogeneous cocatalysts has been limited to montmorillonite K10...
Engaging vinylene carbonate in ruthenium-catalyzed regioselective C-4 methylenation and C-8 formylmethylation of isoquinolinones [0.03%]
Ru催化异喹诺酮类C-4甲基烯碳酸酯参与的区域选择性甲基化和C-8甲酰甲基化反应
Dolly David Thalakottukara,Thirumanavelan Gandhi
Dolly David Thalakottukara
Herein, we disclose the first reports on the utilization of vinylene carbonate as a C1 methylene source in ruthenium-catalyzed additive controlled regioselective C4-methylenation and weak chelation-assisted C8-formylmethylation of isoquinolinones.
Rhodium(III)-Catalyzed Coupling of Quinolin-8-carboxaldehydes with CF3-Imidoyl Sulfoxonium Ylides by Chelation-Assisted C(sp2)-H Bond Activation for the Synthesis of Trifluoromethyl-Substituted Enaminones [0.03%]
Rh(III)催化的喹啉-8-甲醛与CF3-亚胺基硫鎓盐衍生物的偶联反应：配位辅助C(sp2)—H键活化合成三氟甲基取代的烯氨酮类化合物
Pinyi Li,Zuguang Yang,Zhengkai Chen
Pinyi Li
A rhodium(III)-catalyzed aldehydic C(sp2)-H imidoylmethylation of quinolin-8-carboxaldehydes with CF3-imidoyl sulfoxonium ylides (TFISYs) has been developed for the generation of α-imino ketones, which could be readily tautomerized to enam...
Iodoarene-directed photoredox β-C(sp3)-H arylation of 1-(o-iodoaryl)alkan-1-ones with cyanoarenes via halogen atom transfer and hydrogen atom transfer [0.03%]
通过卤原子转移和氢原子转移介导的光氧化还原导向β-C(sp3)-H芳基化反应
Liang Zeng,Chong-Hui Xu,Xiu-Yuan Zou et al.
Liang Zeng et al.
In particular, typical β-C(sp3)-H arylation methods using chelation-assisted metal catalysis or metal-catalyzed oxidative/photochemical in situ generated allyl C(sp3)-H bond processes have been well developed. However, radical-mediated direct β-C(sp3)-H arylation of carbonyls remains elusive.
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