Results 21 to 30 of about 29,164 (249)

Anomeric Amide‐Enabled Alkene‐Arene and Alkene‐Alkene Aminative Coupling

Angewandte Chemie International Edition
AbstractDespite the prominence of C−N bond forming cross‐coupling reactions as a strategy to assemble molecular fragments, aminative coupling approaches, in which two fragments are assembled directly at the heteroatom, represents a rarely exploited retrosynthetic strategy. Herein, we report the design, synthesis, and implementation of an anomeric amide
Colin Stein, Jasper L. Tyler, Julius Wiener, Florian Boser, Constantin G. Daniliuc, Frank Glorius   +5 more
openaire   +2 more sources

Water‐Compatible SuFEx‐Active Diazonium Linchpin Platform for Rapid Modular Diversification and On‐DNA Functionalization

Advanced Functional Materials, EarlyView.
Sulfur fluoride exchange (SuFEx) is a powerful click platform, yet water‐compatible multifunctional linchpins remain elusive. Here, we report decagram‐scalable diazonium linchpins that enable rapid Pd‐catalyzed diversification and direct, catalyst‐free on‐DNA ligation in aqueous media.
Seok Ju Hong, Dong Hyeon Kim, Yujin Lim, Yongseok Kwon, Sangkyu Lee, Han Yong Bae   +5 more
wiley   +1 more source

Facile Assembly of Structurally Diverse 2H-Pyrans Enabled by Chloropalladation-Initiated Carboetherification of Alkenes

Molecules
3,6-Dihydro-2H-pyran heterocyclic framework is one of the currently developed heterocyclic building blocks in both pharmaceutical chemistry and organic synthesis, but with significant challenges.
Fanghua Mao, Bowen Wang, Zhengwang Chen, Yin-Long Lai, Huanfeng Jiang, Jianxiao Li   +5 more
doaj   +1 more source

Difunctionalization of Alkenes and Alkynes via Intermolecular Radical and Nucleophilic Additions

Molecules, 2020
Popular and readily available alkenes and alkynes are good substrates for the preparation of functionalized molecules through radical and/or ionic addition reactions.
Hongjun Yao, Wenfei Hu, Wei Zhang
doaj   +1 more source

Single‐Step Recovery of Water from Stable Crude Oil‐Water Emulsion Using Surface Engineered Hybrid Inorganic‐Polymer Membranes

Advanced Functional Materials, EarlyView.
Atomic layer deposition is used to conformally surface engineer polymeric membranes to fabricate inorganic–organic hybrid membranes. These membranes have exceptionally strong attraction toward water even in high oil containing emulsions, which leads to an extremely strong hydration layer at the interface.
Bratin Sengupta, Yining Liu, Gaurab Sarkar, Rouke Cai, Katrina Sparks, Chi Thang Nguyen, Tamar Segal‐Peretz, Seth B. Darling, Jeffrey W. Elam   +8 more
wiley   +1 more source

Rational Design of Pt Supported Catalysts for Hydrosilylation: Influence of Support and Calcination Temperature

Innovation of Chemistry & Materials for Sustainability
The hydrosilylation reaction plays a key role in organosilicon chemistry, enabling the formation of silicon-carbon bonds crucial for industrial and specialty chemical production.
Kazu Okumura, Shinsaku Aikawa, Yuki Aoki, Anas Abdullahi, Mustapha Mohammed   +4 more
doaj   +1 more source

Enhanced Tantalum Superconducting Resonator Performance via All‐Surface Organic Monolayer Passivation

Advanced Functional Materials, EarlyView.
The internal quality factor of tantalum superconducting resonators is significantly increased by ∼140% in the low photon regime by passivating their surfaces with a high‐quality alkene self‐assembled monolayer. Our methodology promises to enhance the performance of superconducting quantum circuits.
Harsh Gupta, Moritz Singer, Benedikt Schoof, Anna Cattani‐Scholz, Shreya Sharma, Luca Rommeis, Marc Tornow   +6 more
wiley   +1 more source

Chemically Fueled Systems Chemistry Across Length Scales

Advanced Functional Materials, EarlyView.
Chemically fueled reaction cycles regulate processes through single and multiple catalytic sites on the molecular and assembly scale. This gives rise to unique kinetically controlled properties/functions like spatio‐temporal catalysis, oscillations, optical properties, and perform work.
Brigitte A. K. Kriebisch, Job Boekhoven
wiley   +1 more source

Study on the total synthesis of velbanamine: Chemoselective dioxygenation of alkenes with PIFA via a stop-and-flow strategy

Beilstein Journal of Organic Chemistry, 2013
A “stop-and-flow” strategy was developed for the chemoselective dioxygenation of alkenes with a PIFA-initiated cyclization. This method is conceived for the desymmetrization of seco-diene, and a series of substituted 5-hydroxymethyl-γ-lactones were ...
Huili Liu, Kuan Zheng, Xiang Lu, Xiaoxia Wang, Ran Hong   +4 more
doaj   +1 more source

Mixed‐Metal Promotion in a Manganese‐Molybdenum Oxynitride as Catalyst to Integrate C─C and C─N Coupling Reactions for the Direct Synthesis of Acetonitrile from Syngas and Ammonia

Advanced Materials, EarlyView.
Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje, Wilson Henao, Tania Rodenas, Patricia Concepción, Virginia Pérez Dieste, Alexander Missyul, Giovanni Agostini, Gonzalo Prieto   +7 more
wiley   +1 more source