Results 211 to 220 of about 75,034 (299)

Catalytic Functionalization of Unactivated π‐Bonds Enabled by Bidentate Directing Auxiliaries

Angewandte Chemie, EarlyView.
This review explores how bidentate directing auxiliaries have advanced transition‐metal catalysis for unactivated alkene/alkyne functionalization. By leveraging chelated intermediates, bidentate directing auxiliaries enable precise hydrofunctionalization, difunctionalization, and C─H activation of π‐bonds with unique selectivity and reactivity.
Seunghyeon Cho, Al Vicente Riano D. Lisboa, Juntao Sun, Taeho Kang, Keary M. Engle   +4 more
wiley   +2 more sources

Selective Photodisinfection of Bacteria and Biofilms Using Blue Light-Activated Molybdenum Nanoclusters via Dual Singlet Oxygen and Hydroxyl Radical Sensitization. [PDF]

Inorg Chem
Kubáňová M, Dubovský M, Ruml T, Lang K, Zelenka J, Kirakci K.   +5 more
europepmc   +1 more source

A Crystalline and Thermally Stable Selenocysteine Selenenic Acid

Angewandte Chemie, EarlyView.
The long‐sought catalytic intermediate of selenoproteins, selenocysteine selenenic acid (Sec–SeOH), is isolated for the first time at ambient temperature. A bioinspired selenopeptide sequence encapsulated within a protective molecular cradle and an oxidant‐free route from selenenyl iodide (Sec–SeI) enable the isolation of Sec–SeOH. Contrary to the long‐
Ryosuke Masuda, Satoru Kuwano, Kei Goto
wiley   +2 more sources

Structure-Property Relationships of Near-Infrared Cyanine Dyes: Chalcogen-Driven Singlet Oxygen Generation with High Fluorescence Efficiency. [PDF]

ACS Omega
Yang S, Forsyth E, Lin W, Setchfield K, Crespo-Otero R, Di Tommaso D, Lilienkampf A, Wright A, Bradley M.   +8 more
europepmc   +1 more source

Isolation of a Highly Reactive CBNC Heterocumulene via Azidoborylene Photolysis: Facile Access to a Crystalline Dioxaborirane

Angewandte Chemie, EarlyView.
Azidoborylene photolysis results in the isolation of a reactive C═B═N═C heterocumulene bearing an ambiphilic boron centre. Addition of 3O2 to this species results in the clean conversion to a unique example of a dioxaborirane. ABSTRACT Oxidation of the formal boron(0) complex MeCAAC2B in the presence of tetrabutylammonium azide leads to the formation ...
Hayley King, Vignesh Pattathil, William Kennedy, Robert K. Szilagyi, Conor Pranckevicius   +4 more
wiley   +2 more sources

Proximity Engineering of Fe‒N₄ Twins for Oriented Generation of Singlet Oxygen for Hospital Wastewater Treatment. [PDF]

Angew Chem Int Ed Engl
Wang X, Xiong Z, Yang S, Zhou H, Shi Y, Wu Z, Huang B, Yang L, He CS, Duan X, Lai B.   +10 more
europepmc   +1 more source

Single‐Atom Iron‐Catalyzed Oxidative Esterification: From Methylarenes to the Upcycling of Polystyrene and Lignin‐Derived Feedstocks

Angewandte Chemie, EarlyView.
Heterogeneous iron‐catalyzed environmentally benign and sustainable CH‐oxidative esterification methodology has been developed for the synthesis of esters. This challenging reaction has been achieved by the rational design of specific single atom iron‐based catalyst with Fe‐N4 active centers, which empowered the oxidative esterification of methyl and ...
Zhuang Ma, Binyu Zhang, Hui Yang, Yue Hu, Junzheng Yu, Yanbin Cui, Jun Zhao, Matthias Beller, Rajenahally V. Jagadeesh   +8 more
wiley   +2 more sources

Mechanism of Singlet Oxygen Generation Catalyzed by CoN₄‑Graphene: Insights from Embedded Multi-Configurational Theory. [PDF]

JACS Au
Liu W, Liu X, Tan T.
europepmc   +1 more source

Does Singlet Oxygen Contribute to the Oxygen Effect? [PDF]

International Journal of Radiation Biology and Related Studies in Physics, Chemistry and Medicine, 1978
openaire   +2 more sources