Results 1 to 10 of about 40,189 (178)

Biosynthesis of oxygen and nitrogen-containing heterocycles in polyketides [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2016
This review highlights the biosynthesis of heterocycles in polyketide natural products with a focus on oxygen and nitrogen-containing heterocycles with ring sizes between 3 and 6 atoms.
Franziska Hemmerling, Frank Hahn
doaj   +10 more sources

Recent advances in metal catalyst- and oxidant-free electrochemical C-H bond functionalization of nitrogen-containing heterocycles [PDF]

open access: yesFrontiers in Chemistry, 2022
The C-H functionalization of nitrogen-containing heterocycles has emerged as a powerful strategy for the construction of carbon-carbon (C-C) and carbon-heteroatom (C-X) bonds.
Ya-Nan Li   +4 more
doaj   +2 more sources

Nitrogen Containing Heterocycles as Anticancer Agents: A Medicinal Chemistry Perspective [PDF]

open access: yesPharmaceuticals, 2023
Cancer is one of the major healthcare challenges across the globe. Several anticancer drugs are available on the market but they either lack specificity or have poor safety, severe side effects, and suffer from resistance.
Adarsh Kumar   +14 more
doaj   +2 more sources

N-tert-Butanesulfinyl imines in the asymmetric synthesis of nitrogen-containing heterocycles [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2021
The synthesis of nitrogen-containing heterocycles, including natural alkaloids and other compounds presenting different types of biological activities have proved to be successful employing chiral sulfinyl imines derived from tert-butanesulfinamide ...
Joseane A. Mendes   +4 more
doaj   +2 more sources

Recent advances in synthesizing and utilizing nitrogen-containing heterocycles [PDF]

open access: yesFrontiers in Chemistry, 2023
The use of organocatalysts and a pot economy has strengthened recent organic syntheses. Synthetic methodologies may be applicable in laboratory preparation or in the industrial production of valuable organic compounds. In most cases, synthetic challenges
Hyun-Joon Ha
doaj   +2 more sources

Synthesis and Applications of Nitrogen-Containing Heterocycles as Antiviral Agents [PDF]

open access: yesMolecules, 2022
Viruses have been a long-term source of infectious diseases that can lead to large-scale infections and massive deaths. Especially with the recent highly contagious coronavirus (COVID-19), antiviral drugs were developed nonstop to deal with the emergence
Tuyen N. Tran, Maged Henary
doaj   +2 more sources

RETRACTED: Ullah et al. Fluorescent and Phosphorescent Nitrogen-Containing Heterocycles and Crown Ethers: Biological and Pharmaceutical Applications. Molecules 2022, 27, 6631 [PDF]

open access: yesMolecules
The journal retracts the article titled “Fluorescent and Phosphorescent Nitrogen-Containing Heterocycles and Crown Ethers: Biological and Pharmaceutical Applications” [...]
Faiz Ullah   +8 more
doaj   +2 more sources

The Antitubercular Activities of Natural Products with Fused-Nitrogen-Containing Heterocycles [PDF]

open access: yesPharmaceuticals
Tuberculosis (TB) is notorious as the leading cause of death worldwide due to a single infectious entity and its causative agent, Mycobacterium tuberculosis (Mtb), has been able to evolve resistance to all existing drugs in the treatment arsenal ...
Helena I. Boshoff   +3 more
doaj   +2 more sources

HIGHLIGTHS IN 1,2,3-DITHIAZOLE CHEMISTRY [PDF]

open access: yesScientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2010
Among the five-membered heterocycles containing nitrogen and sulphur atoms, 1,2,3-dithiazoles are important compounds due to their unusual physical properties, biological activity and versatile chemistry.
Valérie Thiéry   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy