Chemical Upcycling of PET into a Morpholine Amide as a Versatile Synthetic Building Block [0.03%]
通过化学提升法将聚对苯二甲酸乙二醇酯转化为一种多功能的合成砌块——吗啉酰胺化合物
Yohei Ogiwara,Kotohiro Nomura
Yohei Ogiwara
A catalytic chemical upcycling methodology for polyesters has been developed. Commodity polyesters, such as polyethylene terephthalate (PET), are depolymerized with morpholine by using a Cp*TiCl3 catalyst under ambient pressure without any ...
Nicolas Fay,Cyrille Kouklovsky,Aurélien de la Torre
Nicolas Fay
Total synthesis is a field in constant progress. Its practitioners aim to develop ideal synthetic strategies to build complex molecules. As such, they are both a driving force and a showcase of the progress of organic synthesis. In this Per...
High-Density Formation of Ir/MoOx Interface through Hybrid Clustering for Chemoselective Nitrostyrene Hydrogenation [0.03%]
用于选择性加氢硝基苯乙烯的铱/氧化钼界面高密度形成及其集群杂化效应研究
Shun Hayashi,Tetsuya Shishido
Shun Hayashi
To form high-density metal/oxide interfacial active sites, we developed a catalyst preparation method based on hybrid clustering. An iridium-molybdenum (Ir-Mo) hybrid clustering catalyst was prepared by using the hybrid cluster [(IrCp*)4Mo4...
Gold(I)-Catalyzed 1,6-Enyne Single-Cleavage Rearrangements: The Complete Picture [0.03%]
金(I)催化1,6-炔烯单裂解重排：完整图景
Eduardo García-Padilla,Feliu Maseras,Antonio M Echavarren
Eduardo García-Padilla
We identify the factors that rule the selectivity in single-cleavage skeletal rearrangements promoted by gold(I) catalysts. We find that stereoconvergence is enabled by a rotational equilibrium when electron-rich substituents are used. The ...
NO Generation from Nitrite at Zinc(II): Role of Thiol Persulfidation in the Presence of Sulfane Sulfur [0.03%]
锌(Ⅱ)上没有亚硝酸盐生成：硫烷硫存在下的硫醇半胱氨酸 persulfidation作用
Tuhin Sahana,Adwaith K Valappil,Anaswar S P R Amma et al.
Tuhin Sahana et al.
Nitrite-to-NO transformation is of prime importance due to its relevance in mammalian physiology. Although such a one-electron reductive transformation at various redox-active metal sites (e.g., Cu and Fe) has been illustrated previously, t...
Nitrogen-Enriched Biguanidine-Functionalized Cobalt Ferrite Nanoparticles as a Heterogeneous Base Catalyst for Knoevenagel Condensation under Solvent-Free Conditions [0.03%]
氮掺杂双胍基功能化石墨化钴铁氧纳米颗粒：一种非溶剂型Knoevenagel缩合反应的异相碱催化剂
Anupam Mishra,Priyanka Yadav,Satish K Awasthi
Anupam Mishra
Designing efficient, economical heterogeneous catalysts for the Knoevenagel condensation reaction is highly significant owing to the importance of reaction products in industries as well as pharmaceutics. Herein, we have designed and synthe...
Computational Study into the Effects of Countercations on the [P8W48O184]40- Polyoxometalate Wheel [0.03%]
计数值离子对[P8W48O184]40-多金属氧酸轮主体客体化学性质的影响的计算研究
Daniel Malcolm,Laia Vilà-Nadal
Daniel Malcolm
Porous metal oxide materials have been obtained from a ring-shaped macrocyclic polyoxometalate (POM) structural building unit, [P8W48O184]40-. This is a tungsten oxide building block with an integrated "pore" of 1 nm in diameter, which, whe...
High-Throughput Determination of Stern-Volmer Quenching Constants for Common Photocatalysts and Quenchers [0.03%]
常用光催化剂和淬灭剂的高通量斯特恩-沃伦淬灭常数测定法
Rachel N Motz,Alexandra C Sun,Dan Lehnherr et al.
Rachel N Motz et al.
Mechanistic information on reactions proceeding via photoredox catalysis has enabled rational optimizations of existing reactions and revealed new synthetic pathways. One essential step in any photoredox reaction is catalyst quenching via p...
Jagrit Grover,Suman Maji,Chitrala Teja et al.
Jagrit Grover et al.
We herein report a novel Mn-SNS-based catalyst, which is capable of performing indirect hydrogenation of CO2 to methanol via formylation. In this domain of CO2 hydrogenation, pincer ligands have shown a clear predominance. Our catalyst is b...
Influence of Fluorinated Substituents on the Near-Infrared Phosphorescence of 5d Metallocorroles [0.03%]
含氟取代基对金属环八素近红外磷光的影响研究
Krister Engedal Johannessen,Martin Amund Langaas Johansen,Rune F Einrem et al.
Krister Engedal Johannessen et al.
The influence of fluorinated substituents on the luminescent properties of rhenium-oxo, osmium-nitrido, and gold triarylcorroles was studied via a comparison of four ligands: triphenylcorrole (TPC), tris(p-trifluoromethylphenyl)corrole (TpC...