Ultra-sensitive boric acid detection using a plasmonic fiber-optic spectral comb and MEA modified with gold nanoparticles [0.03%]
基于等离激元光纤光谱阵和金纳米粒子修饰的微电极的超灵敏硼酸检测技术
Yunchang Wang,Xijie Feng,Yunjie Cao et al.
Yunchang Wang et al.
Even trace amounts of boric acid (BA) could cause serious harm to human beings and the environment. Therefore, trace BA detection is very important. Here, we propose a tilted fiber Bragg grating (TFBG)-based plasmonic fiber-optic spectral c...
Diastereoselective Synthesis of Cyclopropyl Diboronates via 1,2-Boronate Rearrangement [0.03%]
通过1,2-硼酸重排合成环丙基二硼酸酯的非对映选择性合成
Keyi Huyan,Shiqin Chen,Wanxiang Zhao
Keyi Huyan
The preparation of polysubstituted cyclopropanes has garnered considerable attention in the field of synthetic chemistry in recent years. The introduction of boron groups into cyclopropane structures enables efficient functional modificatio...
Structure and mechanism of taniborbactam inhibition of the cefepime-hydrolyzing, partial R2-loop deletion Pseudomonas-derived cephalosporinase variant PDC-88 [0.03%]
三嗪并硼酸盐类抑制剂坦尼硼巴克坦与部分R2环缺失的铜绿假单胞菌衍生头孢菌素酶变异体PDC-88的结构及作用机制
Andrew R Mack,Vijay Kumar,Christopher R Bethel et al.
Andrew R Mack et al.
Pseudomonas aeruginosa is a major gram-negative pathogen responsible for a variety of infections and possessing an array of both intrinsic and acquired resistance mechanisms, including β-lactamases, like the chromosomal Pseudomonas-derived...
Highly Efficient Suzuki-Miyaura Polymerization Enabled by Direct Transmetalation with Boronic Esters [0.03%]
直接利用硼酸酯进行转金属化催化的高效Suzuki-Miyaura聚合反应
Haigen Xiong,Yu Lu,Qijie Lin et al.
Haigen Xiong et al.
The Suzuki-Miyaura cross-coupling reaction plays a pivotal role in the construction of carbon-carbon bonds, utilizing low-toxicity and readily available organoboron substrates. However, competitive protodeboronation of arylboronic acids has...
Cu-Catalyzed Asymmetric Olefinative Conjugate Addition of Aryl and Alkenyl Boronic Esters [0.03%]
铜催化不对称烯基亲核加成反应构建手性α,β-不饱和酮类化合物
Francesco Vaghi,Piero Soppelsa,Klaus Wurst et al.
Francesco Vaghi et al.
The asymmetric olefinative conjugate addition (AOCA) has been previously introduced as a telescoped approach for the synthesis of chiral internal olefins with high stereoselectivities. Here, this strategy is extended by the implementation o...
Substituted cyclopropanols via sequential cyclopropanation and oxidative hydrolysis of vinylboronates [0.03%]
通过乙烯基硼酸酯的连续环丙烷化和氧化水解制备取代环丙醇类化合物
Serhii I Shuvakin,Oleksii M Serhieiev,Maksym O Dashko et al.
Serhii I Shuvakin et al.
A scalable, diastereoselective protocol for synthesizing scarce 2-substituted cyclopropanols is presented. Our previous protocol for vinyl boron pinacolates cyclopropanation is adapted for flow conditions. This work establishes a fundamenta...
Investigation of Americium-Containing Phosphates, Silicates, Borates, Molybdates, and Fluorides Synthesized via High-Temperature Flux Crystal Growth [0.03%]
通过高温助熔剂法生长含 americium 的磷酸盐、硅酸盐、硼酸盐、钼酸盐和氟化物的晶体并进行研究
Travis K Deason,Hunter B Tisdale,Adrian T Hines et al.
Travis K Deason et al.
The crystal chemistry of americium-containing extended structures was investigated, and several classes of americium-containing solid-state oxide materials were obtained in single-crystal form via high-temperature flux crystal growth. This ...
Ethyl Pinacol Boronates as Advantageous Precursors for Copper-Mediated Radiofluorination [0.03%]
用于铜介导放射氟化的乙基二甲基硅烷硼酸酯的优势前体
Nikolaos Hadjipaschalis,Sebastiano Ortalli,Zijun Chen et al.
Nikolaos Hadjipaschalis et al.
(Hetero)aryl pinacol boronic esters are routinely used for 18F-labeling and have accelerated numerous diagnostic and drug discovery programs. An analysis of the current state-of-play, however, highlights a pending challenge. Reports have in...
Sequential Radiosynthetic Methodology: Assembly of Boronic Ester Precursors on a Diol Resin and Radioiodination Using Copper-Mediated Radioiododeboronation and Azide-Alkyne Cycloaddition [0.03%]
序贯放射合成法：在二醇树脂上装配硼酸酯前体，并通过铜介导的放射性碘脱硼化和叠氮-炔环加成进行放射性碘标记
Yuto Kondo,Hiroyuki Kimura,Mamiko Tanaka et al.
Yuto Kondo et al.
A streamlined radiosynthetic methodology enables the precise sequential assembly of boronic ester precursors on diol resin, seamlessly integrating copper-mediated radioiododeboronation and azide-alkyne cycloaddition. This approach yields ra...
Pd-Catalyzed Tandem Reaction of [1,1'-Biaryl]-2,2'-dimethylnitriles with Arylboronic Acids: Synthesis of 7-Aryl-2 H-azepin-2-ones [0.03%]
钯催化[1,1'-联芳基]-2,2'-二甲基腈与芳基硼酸的串联反应：合成7-芳基-2H-氮杂环庚烯-2-酮类化合物
Xinrong Yao,Min Liu,Huatao Wu et al.
Xinrong Yao et al.
The palladium-catalyzed addition-cyclization cascade of [1,1'-biaryl]-2,2'-dimethylnitriles with arylboronic acids was developed, providing an efficient one-pot strategy for constructing 7-aryl-2H-azepin-2-one scaffolds. The protocol demons...
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