Results 1 to 10 of about 4,390 (202)

Come-back of phenanthridine and phenanthridinium derivatives in the 21st century [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2014
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
exaly   +4 more sources

Phenanthridine–pyrene conjugates as fluorescent probes for DNA/RNA and an inactive mutant of dipeptidyl peptidase enzyme [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2023
Two novel conjugate molecules were designed: pyrene and phenanthridine-amino acid units with a different linker length between the aromatic fragments. Molecular modelling combined with spectrophotometric experiments revealed that in neutral and acidic ...
Josipa Matić   +8 more
doaj   +2 more sources

Synthetic Strategies for 5- and 6-Membered Ring Azaheterocycles Facilitated by Iminyl Radicals [PDF]

open access: yesMolecules, 2016
The totality of chemical space is so immense that only a small fraction can ever be explored. Computational searching has indicated that bioactivity is associated with a comparatively small number of ring-containing structures. Pyrrole, indole, pyridine,
John C. Walton
doaj   +3 more sources

Structural reassignment of compound 968, an allosteric glutaminase inhibitor [PDF]

open access: yesBeilstein Journal of Organic Chemistry
Many cancer cells require extracellular glutamine to meet the energetic, biosynthetic, and redox demands of the proliferative state. Glutaminases catalyze the hydrolysis of glutamine to glutamate, which supports the biosynthesis of amino acids, lipids ...
Lindsey A. Albertelli   +3 more
doaj   +2 more sources

Selective C‐7 Functionalization of Phenanthridines by Microwave‐Assisted Claisen Rearrangements of 8‐Allyloxyphenanthridines [PDF]

open access: yesChemistryOpen, 2023
Carbon‐carbon bond formation in the phenanthridine 7‐position was achieved by microwave‐assisted Claisen rearrangement of 8‐allyloxyphenanthridines. The reactions took place with excellent regioselectivity and high chemical yields.
Mathias Ryslett Lepsøe   +2 more
doaj   +2 more sources

Synthesis, Bacteriostatic and Anticancer Activity of Novel Phenanthridines Structurally Similar to Benzo[c]phenanthridine Alkaloids [PDF]

open access: yesMolecules, 2018
In this study, we report the synthesis, antibacterial and anticancer evaluation of 38 novel phenanthridines that were designed as analogs of the benzo[c]phenanthridine alkaloids. The prepared phenanthridines differ from the benzo[c]phenanthridines in the
Pavel Lasák   +3 more
doaj   +4 more sources

Zephycandidine A and Synthetic Analogues—Synthesis and Evaluation of Biological Activity [PDF]

open access: yesMolecules
A convenient total synthesis of the imidazo[1,2-f]phenanthridine-type Amaryllidaceae alkaloid zephycandidine A (3) was developed, which further allowed us to perform modifications of substituents on benzenoid ring A and imidazole ring D.
Thomas Klaßmüller   +5 more
doaj   +2 more sources

Substitution Kinetics, DNA/BSA Interactions, Cytotoxicity Evaluation and Computational Analysis of [bis-(azaaryl)amine)Pt(II)/Pd(II)Cl] Complexes, Azaaryl = Quinoline or Phenanthridine [PDF]

open access: yesBioinorganic Chemistry and Applications
The search for metal-based anticancer agents with improved efficacy and reduced side effects is ongoing. The activities of these anticancer drugs depend on their aqueous stability, substitutional reactivity at target sites (cytotoxicity) and nontarget ...
Phakamani C. Dlamini   +7 more
doaj   +2 more sources

Discovery of benzo[c]phenanthridine derivatives with potent activity against multidrug-resistant Mycobacterium tuberculosis [PDF]

open access: yesMicrobiology Spectrum
Mycobacterium tuberculosis (Mtb), the pathogen responsible for tuberculosis (TB), is the leading cause of bacterial disease-related death worldwide. Current antibiotic regimens for the treatment of TB remain dated and suffer from long treatment times as ...
Yi Chu Liang   +9 more
doaj   +2 more sources

In silico recombinant plasmid design of pHA171 with phdABCD insertion for ethidium bromide degradation

open access: yesActa Biochimica Indonesiana, 2021
Background: Ethidium bromide is a common reagent that is used in nucleic acid staining. However, ethidium bromide has toxic and carcinogenic properties that are harmful to the environment.
Muhammad Ilham Fahri   +4 more
doaj   +1 more source

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