Results 41 to 50 of about 30,672 (247)

Remarkable Alkene-to-Alkene and Alkene-to-Alkyne Transfer Reactions of Selenium Dibromide and PhSeBr. Stereoselective Addition of Selenium Dihalides to Cycloalkenes

Molecules, 2020
The original goal of this research was to study stereochemistry of selenium dihalides addition to cycloalkenes and properties of obtained products. Remarkable alkene-to-alkene and alkene-to-alkyne transfer reactions of selenium dibromide and PhSeBr were ...
Vladimir A. Potapov, Maxim V. Musalov, Evgeny O. Kurkutov, Vladimir A. Yakimov, Alfiya G. Khabibulina, Maria V. Musalova, Svetlana V. Amosova, Tatyana N. Borodina, Alexander I. Albanov   +8 more
doaj   +1 more source

Iron-mediated ligand-to-metal charge transfer enables 1,2-diazidation of alkenes

Nature Communications, 2022
Alkene diazidations represent a promising strategy for the synthesis of 1,2-diamines. Here, the authors report a protocol that enables alkene diazidation via iron-mediated ligand-to-metal charge transfer, providing a versatile platform to access ...
Muliang Zhang, Jinghui Zhang, Qingyao Li, Yumeng Shi   +3 more
doaj   +1 more source

Functional Fibers in Soft Robotics: Advances in Material, Structural, and Systemic Tactics

Advanced Robotics Research, EarlyView.
Fiber‐form robotic systems offer a scalable pathway toward embodied intelligence in soft robotics. This review surveys functional fibers as material, structural, and systemic elements, highlighting advances in responsive materials, architectural programing, and fabrication strategies.
Joonhee Won, Jaehyun Jang, Hyeonseo Kim, Inyoung Choi, Steve Park, Seongjun Park   +5 more
wiley   +1 more source

Recent Advances in the High-Value Conversion of Alkenes Induced by Electrochemistry

Molecules
Over the past few decades, electrosynthesis has advanced significantly, enabling numerous valuable transformations for synthetic chemists. Olefins are inexpensive, readily available industrial feedstocks extensively used in organic synthesis.
Xing’an Liang, Haolin Wang, Wei Xie, Zhenhua Liu, Dongmiao Qin   +4 more
doaj   +1 more source

Gold Nanoparticle-Catalyzed Environmentally Benign Deoxygenation of Epoxides to Alkenes

Molecules, 2011
We have developed a highly efficient and green catalytic deoxygenation of epoxides to alkenes using gold nanoparticles (NPs) supported on hydrotalcite [HT: Mg6Al2CO3(OH)16] (Au/HT) with alcohols, CO/H2O or H2 as the reducing reagent.
Kiyotomi Kaneda, Koichiro Jitsukawa, Akifumi Noujima, Tomoo Mizugaki, Takato Mitsudome   +4 more
doaj   +1 more source

Marine furanocembranoids-inspired macrocycles enabled by Pd-catalyzed unactivated C(sp3)-H olefination mediated by donor/donor carbenes

Nature Communications, 2021
Furanocembranoid-like natural products with the alkene-substituted furan scaffold display a range of biological activities, but are difficult to access. Here, the authors report a modular biomimetic strategy to synthesise diverse alkene-substituted furan-
Jiping Hao, Xueying Guo, Shijun He, Zhongliang Xu, Lu Chen, Zhongyu Li, Bichao Song, Jianping Zuo, Zhenyang Lin, Weibo Yang   +9 more
doaj   +1 more source

Homologative alkene difunctionalization

Nature Chemistry
Abstract Systematic evaluation of homologous series plays a pivotal role in synthetic and medicinal chemistry 1,2 . Despite their structural resemblance, the preparation of homologs often requires individual synthetic planning tailored to distinct precursors and reactions.
Morgan Kim, So Yeon Ahn, Seongmin Kim, Junhwan Won, Dongwook Kim, Seung Youn Hong   +5 more
openaire   +2 more sources

Underground Signals: The Ecological Power of Root Volatiles

Advanced Science, EarlyView.
Root volatiles mediate rhizosphere chemical communication, shaping interactions among plants, microbes, herbivores, and natural enemies. Their production, transport, and perception underpin ecological adaptation, multitrophic interactions, and plant resilience, offering opportunities for sustainable crop protection, resilient agroecosystems, and ...
Xueyao Cao, Nanli Song, François Verheggen, Meritxell Pérez‐Hedo, Andrea Clavijo McCormick, Antonino Cusumano, Arthur de Fouchier, Bing Wang, Chen‐Zhu Wang, Emmanuelle Jacquin‐Joly, Gary W. Felton, Geoff M. Gurr, Hao Guo, Jiancai Li, Jin Zhang, Li Chen, Manqun Wang, Michele Ricupero, Peng Han, Peng He, Qi Yan, Qingbo Tang, Qingsong Liu, Shiheng An, Xiangbo Kong, Xiaoling Sun, Xueming Ren, Yuanyuan Song, Yang Liu, Yanhui Guo, Yunhe Li, Xiao Sun   +31 more
wiley   +1 more source

Toxicokinetic and Partial Mass Balance Assessment of ¹⁴C-Alpha Olefins in Rats

Journal of Xenobiotics
Higher olefins are a class of alkenes widely used as intermediates in the production of essential consumer and industrial products. This radiolabel disposition and partial mass balance study investigated the distribution and excretion of four 14C ...
Quan Shi, Jamie Dunn, Juan-Carlos Carrillo, Michael G. Penman, Robert H. Powrie, Corinne Haines, Hua Shen, Yuan Tian, Sophie Jia, Fabienne Hubert, Peter J. Boogaard   +10 more
doaj   +1 more source

Pauson–Khand reaction of fluorinated compounds

Beilstein Journal of Organic Chemistry, 2020
The Pauson–Khand reaction (PKR) is one of the key methods for the construction of cyclopentenone derivatives, which can in turn undergo diverse chemical transformations to yield more complex biologically active molecules.
Jorge Escorihuela, Daniel M. Sedgwick, Alberto Llobat, Mercedes Medio-Simón, Pablo Barrio, Santos Fustero   +5 more
doaj   +1 more source