Results 281 to 290 of about 176,899 (357)

A Hypoxia‐Triggered Bioreduction of Hydrophilic Type I Photosensitizer for Switchable In Vivo Photoacoustic Imaging and High‐Specificity Cancer Phototherapy

Angewandte Chemie, EarlyView.
A hydrophilic type I phototherapeutic agent (NanoPcN8O) was developed which selectively responded to hypoxic tumor microenvironments and switched on type I photodynamic and photothermal effects as well as a photoacoustic signal for activatable photoacoustic imaging and tumor phototherapy.
Yuan‐Yuan Zhao, Yihui Xu, Xiaojun Zhang, Zixuan Chen, Heejeong Kim, Xingshu Li, Juyoung Yoon   +6 more
wiley   +1 more source

A Comprehensive Update of Anti-COVID-19 Activity of Heterocyclic Compounds. [PDF]

Drug Des Devel Ther
Nazir MS, Ahmad M, Aslam S, Rafiq A, Al-Hussain SA, Zaki MEA.   +5 more
europepmc   +1 more source

SYNTHESIS OF CYANINE DYES BY THE CONDENSATION OF p-DIETHYLAMINOBENZALDEHYDE WITH .APPROPRIATE HETEROCYCLIC COMPOUNDS. PART Ill [PDF]

, 1949
M. Q. DoJA, JoGESH CHANDRA BANERJEE
openalex   +1 more source

Copper‐Photoredox‐Catalyzed C(sp3)–C(sp3) Reductive Cross‐Coupling of Alkyl Bromides with BCP‐Thianthrenium Reagents

Angewandte Chemie, EarlyView.
We show a reductive cross‐coupling reaction of bicyclo[1.1.1]pentyl (BCP)‐thianthrenium reagents and alkyl bromides, which is catalyzed by a copper/photoredox catalyst system. The reaction provides a variety of BCP‐alkylated products through the formation of a C(sp3)−C(sp3) bond. Abstract Herein, we report a reductive cross‐coupling reaction of bicyclo[
Saikat Pandit, Tobias Ritter
wiley   +1 more source

Fe₃O₄@gC₃N₄@Thiamine: a novel heterogeneous catalyst for the synthesis of heterocyclic compounds and microextraction of tebuconazole in food samples. [PDF]

Sci Rep
Peiman S, Maleki B, Ghani M.
europepmc   +1 more source

Asymmetric Coordination in Cobalt Single‐Atom Catalysts Enables Fast Charge Dynamics and Hierarchical Active Sites for Two‐Stage Kinetics in Photodegradation of Organic Pollutants

Angewandte Chemie, EarlyView.
This investigation demonstrates an efficient synthetic methodology for the fabrication of atomically dispersed cobalt species anchored on carbon nitride substrate, featuring distinctive asymmetric Co─C2N3 coordination environments and hierarchical active sites.
Xiaoming Liu, Yang Zhang, Puhua Sun, Fengting He, Yuzhao Wu, Shuaijun Wang, Shaobin Wang, Jinqiang Zhang   +7 more
wiley   +1 more source

Sequence Control in Sulphur‐Containing Ring‐Opening Co‐ and Terpolymerisations

Angewandte Chemie, EarlyView.
Sulphur‐containing polymers offer unique avenues for degradability, recyclability and optical performance—but their synthesis is often plagued by side reactions. This minireview outlines recent strategies to control or harness O/S scrambling in ring‐opening co‐ and terpolymerisations, enabling precise sequence control.
Bhargav R. Manjunatha, Cesare Gallizioli, Christoph Fornacon‐Wood, Jenny Stephan, Merlin R. Stühler, Alex J. Plajer   +5 more
wiley   +1 more source

Heterocyclic compounds as xanthine oxidase inhibitors for the management of hyperuricemia: synthetic strategies, structure-activity relationship and molecular docking studies (2018-2024). [PDF]

RSC Med Chem
Singh A, Debnath R, Chawla V, Chawla PA.
europepmc   +1 more source

Asymmetric Aziridination of Allylic Carbamates Using Ion‐Paired Rhodium Complexes and Extrapolation to C─H Amination of Phenethyl Carbamates

Angewandte Chemie, EarlyView.
Aziridination of alkenes is an important route to chiral nitrogen‐containing building blocks. We report that carbamate‐functionalized allylic alcohols undergo highly enantioselective aziridination using achiral dimeric Rh complexes ion‐paired with cinchona alkaloid‐derived chiral cations.
Arthur R. Lit, Shotaro Takano, Christian Zachau, Ioana Băltărețu, Robert J. Phipps   +4 more
wiley   +1 more source

In silico and in vitro prediction of new synthesized N-heterocyclic compounds as anti-SARS-CoV-2. [PDF]

Sci Rep
Hashem HE, Ahmad S, Kumer A, Bakri YE.
europepmc   +1 more source