Ligand Dissociation of Metal-Complex Photocatalysts toward pH-Photomanipulation in Dynamic Covalent Hydrogels for Printing Reprocessable and Recyclable Devices [0.03%]
通过调节PH值实现动态共价水凝胶中金属配合物光催化剂的配体解离用于打印可再加工和回收利用的装置
Qian Wang,Zhenhao Zhu,Jupen Liu et al.
Qian Wang et al.
Dynamic covalent hydrogels are gaining attention for their potential in smart materials, soft devices, electronics, and more thanks to their impressive mechanical properties, biomimetic structures, and dynamic behavior. However, a significa...
Anionic Conjugate Addition Oligomerization of Carbon Dioxide/Butadiene Derived Lactones [0.03%]
二氧化碳/丁二烯来源的内酯的阴离子共轭加成聚合反应
Brennan J Crawford,Calum Bochenek,Luis D Garcia Espinosa et al.
Brennan J Crawford et al.
Nucleophilic and non-nucleophilic bases have been employed in anionic oligomerization of unsaturated δ-valerolactone (3-ethylidene-6-vinyltetrahydro-2H-pyran-2-one) (1). Compared to the seminal findings with 1,5,7-triazabicyclo[4.4.0]dec-5...
Asymmetric Aldol Reactions Catalyzed by Polymeric Self-Assembly with Side-Chain Dipeptide Pendants [0.03%]
侧链二肽梳基聚轮激酶催化的不对称aldol反应
Tamanna Mallick,Debgopal Jana,Alakesh Bisai et al.
Tamanna Mallick et al.
To explore the role of proline amide moieties in polymer-supported organocatalysts, side-chain l-proline-l-alanine (Pro-Ala) dipeptide-containing block copolymers were synthesized, and their catalytic potential for the aldol reaction was ex...
Continuous Flow Synthesis of Functional Isocyanate-Free Poly(oxazolidone)s by Step-Growth Polymerization [0.03%]
一步法合成具有功能性的异氰酸酯自由的聚恶唑烷酮高分子
Fabiana Siragusa,Lionel Crane,Pierre Stiernet et al.
Fabiana Siragusa et al.
Flow chemistry presents many advantages over batch processes for the fast and continuous production of polymers under more robust, safer, and easily scalable conditions. Although largely exploited for chain-growth polymerizations, it has ra...
Improved Mechanical Strength without Sacrificing Li-Ion Transport in Polymer Electrolytes [0.03%]
在聚合物电解质中同时实现增强机械强度和保持锂离子传输性能
James T Bamford,Seamus D Jones,Nicole S Schauser et al.
James T Bamford et al.
Next-generation batteries demand solid polymer electrolytes (SPEs) with rapid ion transport and robust mechanical properties. However, many SPEs with liquid-like Li+ transport mechanisms suffer a fundamental trade-off between conductivity a...
Three Birds with One Sulfur: Construction of Sulfur-Bridged Porous Organic Polymers for Efficient Gold Adsorption [0.03%]
一石三鸟——高效吸附金的有机多孔聚合物的合成与发展
Jieyao Wang,Yujie Lei,Shijun Li et al.
Jieyao Wang et al.
Sulfur is a massive byproduct of the petrochemicals industry and hardly employed as a building block for porous organic polymers (POPs). Here, a new family of sulfur-bridged POPs has been prepared via a C-H insertion reaction between sulfur...
Helix-Sense-Selective Permeation of Racemic Helical Oligoacetylenes through One-Handed Helical Channels in Polymer Membranes [0.03%]
手性聚螺旋膜中旋光性 oliogoacetylene 的对映体选择透过性
Shuaishuai Huang,Ken-Ichi Shinohara,Masahiro Teraguchi et al.
Shuaishuai Huang et al.
Helix-sense-selective permeation (HSSPerm) of racemic helical oligoacetylenes through one-handed helical channels has been realized. The one-handed helical channels were created in the one-handed helical polyacetylene membranes by the helix...
Internal Catalysis in Dynamic Hydrogels with Associative Thioester Cross-Links [0.03%]
含缔合硫酯交联的动态水凝胶内的内催化作用
Vivian Zhang,Carrie Ou,Ilia Kevlishvili et al.
Vivian Zhang et al.
Thioesters are an essential functional group in biosynthetic pathways, which has motivated their development as reactive handles in probes and peptide assembly. Thioester exchange is typically accelerated by catalysts or elevated pH. Here, ...
Stereoselective Polymerization of 3,6-Disubstituted N-Vinylcarbazoles [0.03%]
3,6-双取代-N-乙烯基咔唑的立体选择性聚合
Cole C Sorensen,Anthony Y Bello,Frank A Leibfarth
Cole C Sorensen
Poly(N-vinylcarbazole) (PNVC-H) is a valuable nonconjugated photoconductive polymer, but the free radical polymerization conditions typically used for its synthesis do not control polymer stereochemistry and are not tolerant to many substit...
Accessing Cyclobutane Polymers: Overcoming Synthetic Challenges via Efficient Continuous Flow [2 + 2] Photopolymerization [0.03%]
克服合成挑战的有效连续流动[2+2]光聚合访问环丁烷聚合物
Sara El-Arid,Jason M Lenihan,Andrew Jacobsen et al.
Sara El-Arid et al.
We report an improved and efficient method to prepare well-defined, structurally complex truxinate cyclobutane polymers via a thioxanthone sensitized solution state [2 + 2] photopolymerization. Monomers with varying electron density and str...