Electrooxidative tricyclic 6-7-6 fused-system domino assembly to allocolchicines by a removable radical strategy [0.03%]
通过可移除自由基策略实现电氧化三环6-7-6稠合体系多米诺骨架拼接合成allocolchicine类化合物
Yan Zhang,Chanchan Ma,Zhenzhi Cai et al.
Yan Zhang et al.
Natural allocolchicine and analogues derived thereof a tricyclic 6-7-6-system have been found as key scaffold of various biologically relevant molecules. However, the direct preparation of the allocolchicine motif remains difficult to date....
Thomas Freese,Bálint Fridrich,Stefano Crespi et al.
Thomas Freese et al.
Lignin is the largest natural source of functionalized aromatics on the planet, therefore exploiting its inherent structural features for the synthesis of aromatic products is a timely and ambitious goal. While the recently developed lignin...
Upcycling agro-industrial blueberry waste into platform chemicals and structured materials for application in marine environments [0.03%]
将农业工业蓝莓废弃物升级回收为平台化工品及应用于海洋环境的结构材料
Guillermo Reyes,Claudia M Pacheco,Estefania Isaza-Ferro et al.
Guillermo Reyes et al.
Blueberry pruning waste (BPw), sourced as residues from agroforestry operations in Chile, was used to produce added-value products, including platform chemicals and materials. BPw fractionation was implemented using biobased solvents (γ-va...
A perspective on developing solid-phase extraction technologies for industrial-scale critical materials recovery [0.03%]
开发固体相提取技术用于关键材料回收工业化的展望
Aaron Brewer,Justyna Florek,Freddy Kleitz
Aaron Brewer
Critical materials (CMs) are a group of elements that have been determined to be important for the modern economy, but which may face current or potential supply limitations. Some examples of metals that have received the CM designation inc...
Dehydrogenative ester synthesis from enol ethers and water with a ruthenium complex catalyzing two reactions in synergy [0.03%]
协同催化的钌配合物催化烯乙醚与水脱氢缩合制备酯化合物反应研究
Sayan Kar,Jie Luo,Michael Rauch et al.
Sayan Kar et al.
We report the dehydrogenative synthesis of esters from enol ethers using water as the formal oxidant, catalyzed by a newly developed ruthenium acridine-based PNP(Ph)-type complex. Mechanistic experiments and density functional theory (DFT) ...
Design of closed-loop recycling production of a Diels-Alder polymer from a biomass-derived difuran as a functional additive for polyurethanes [0.03%]
一种源自生物质的二呋喃作为聚氨酯功能性添加剂的设计及其闭环回收生产迪尔斯-阿尔德聚合物
Hochan Chang,Min Soo Kim,George W Huber et al.
Hochan Chang et al.
Acetalization of biomass-derived 5-hydroxymethyl furfural (HMF) with pentaerythritol produced a difuran (HPH) monomer in the presence of an acid catalyst. A recyclable polymer was then synthesized by Diels-Alder reaction of bismaleimide and...
Catalytic conversion of glycerol and co-feeds (fatty acids, alcohols, and alkanes) to bio-based aromatics: remarkable and unprecedented synergetic effects on catalyst performance [0.03%]
甘油与共喂料（脂肪酸、醇和烷烃）催化转化为生物基芳烃：催化剂性能的协同效应研究重要进展
Songbo He,Thomas Sjouke Kramer,Dian Sukmayanda Santosa et al.
Songbo He et al.
Glycerol is an attractive bio-based platform chemical that can be converted to a variety of bio-based chemicals. We here report a catalytic co-conversion strategy where glycerol in combination with a second (bio-)feed (fatty acids, alcohols...
Combined ionic liquid and supercritical carbon dioxide based dynamic extraction of six cannabinoids from Cannabis sativa L [0.03%]
基于室温离子液体和超临界二氧化碳的六种大麻素的动力提取联合方法
Christoph Kornpointner,Aitor Sainz Martinez,Michael Schnürch et al.
Christoph Kornpointner et al.
The potential of supercritical CO2 and ionic liquids (ILs) as alternatives to traditional extraction of natural compounds from plant material is of increasing importance. Both techniques offer several advantages over conventional extraction...
Planetary metrics for the absolute environmental sustainability assessment of chemicals [0.03%]
化学物质绝对环境可持续性评估的行星边界指标研究进展
Victor Tulus,Javier Pérez-Ramírez,Gonzalo Guillén-Gosálbez
Victor Tulus
Environmental assessments in green chemistry often rely on simplified metrics that enable comparisons between alternative routes but fail to shed light on whether they are truly sustainable in absolute terms, viz. relative to the Earth's ec...
Micellar catalysis of the Suzuki Miyaura reaction using biogenic Pd nanoparticles from Desulfovibrio alaskensis [0.03%]
用Desulfovibrio alaskensis生物合成的Pd纳米颗粒催化Suzuki-Miyaura反应
Yuta Era,Jonathan A Dennis,Stephen Wallace et al.
Yuta Era et al.
Microorganisms produce metal nanoparticles (MNPs) upon exposure to toxic metal ions. However, the catalytic activity of biosynthesised MNPs remains underexplored, despite the potential of these biological processes to be used for the sustai...