Results 31 to 40 of about 5,776 (241)
Come-back of phenanthridine and phenanthridinium derivatives in the 21st century
Phenanthridine derivatives are one of the most intensively studied families of biologically active compounds with efficient DNA binding capability. Attracting attention since DNA structure discovery (1960s), they were early recognized as a symbol of DNA ...
Lidija-Marija Tumir +2 more
doaj +1 more source
Four new, stabilized phosphonium ylides containing a 2-(benzyl(methyl)amino)phenyl group have been prepared and characterized and are found, upon pyrolysis under gas-phase flow conditions, to lose Ph3PO and benzyl radicals to afford new heterocyclic ...
R. Alan Aitken +2 more
doaj +1 more source
Diversified Fluoroalkylation of Alkenes Using Quaternary Fluoroalkyl Alcohols as the Fluoroalkylating Reagents. [PDF]
A universal photoredox‐catalyzed fluoroalkylation approach by utilizing new (fluoroalkyl)diaryl methanols as versatile fluoroalkylating reagents is developed. This protocol facilitates the synthesis of mono‐, di‐, tri‐, and even polyfluoroalkylation of a broad scope of alkenes.
Lu H, Fan Z, Zou Y, Zhang A.
europepmc +2 more sources
Phenanthriplatin is a leading preclinical anticancer Pt complex distinguished by a phenanthridine ligand that facilitates DNA-targeted covalent binding via intercalation. We report here that Pt(ii) complexes incorporating phenanthridine into a chelating,
Issiah B. Lozada +6 more
semanticscholar +1 more source
6-(3,4-Difluorophenyl)-7,8,13,14-tetrahydrodibenzo[c,k]phenanthridine
In the title compound, C27H19F2N, the five-fused-ring system is highly puckered and the dihedral angle between the central pyridine ring and pendant difluorobenzene ring is 45.12 (12)°.
Yiwen Fang, Bingbing Liu, Zhixiang Jia
doaj +1 more source
Purpose. This study describes the antibacterial effect of extracts and compounds isolated from the aerial part of Chelidonium majus Linn. (Papaveraceae) acting against clinical strains of methicillin-resistant Staphylococcus aureus (MRSA). Methods.
Guo Ying Zuo +5 more
doaj +1 more source
Relaxation dynamics in multicomponent glass formers with adjustable concentration fluctuations
Here, we study the structural relaxation kinetics in modified binary (i.e., ternary) mixtures with strong concentration fluctuation imposed by a polar picoline and an apolar triphenylethylene by adding a surfactant phenanthridine.
Xiao Jin, Li-Min Wang
doaj +1 more source
Metal-Free Photoredox Catalyzed Cyclization of O-(2,4-Dinitrophenyl)oximes to Phenanthridines
A metal-free visible-light photoredox-catalyzed intermolecular cyclization reaction of O-2,4-dinitrophenyl oximes to phenanthridines was developed. In this study, the organic dye eosin Y and i-Pr2NEt were used as photocatalyst and terminal reductant ...
Xiubin Liu +5 more
doaj +1 more source
Nitrogen‐Centered Organic Persistent Radicals Catalyze Redox‐Neutral C─C Bond Forming Reactions
Kuhn verdazyls, discovered over 60 years ago, are shown as effective catalysts for the first time. Their tunable redox properties enable organocatalytic redox‐neutral C─H arylation and C─H trifluoromethylation reactions without light activation.
Shrouq Mujahed +4 more
wiley +2 more sources
Structural and luminescent properties of co-crystals of tetraiodoethylene with two azaphenanthrenes
Two new co-crystals, tetraiodoethylene–phenanthridine (1/2), 0.5C2I4·C13H9N (1) and tetraiodoethylene–benzo[f]quinoline (1/2), 0.5C2I4·C13H9N (2), were obtained from tetraiodoethylene and azaphenanthrenes, and characterized by IR and fluorescence ...
Yu-Jin Cui, Feng Su, Wei-Jun Jin
doaj +1 more source

