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Sulfur-Nitrogen Heterocycles [PDF]

open access: yesMolecules, 2005
n ...
Tomás Torroba   +1 more
doaj   +2 more sources

NRF2 Activation by Nitrogen Heterocycles: A Review [PDF]

open access: yesMolecules, 2023
Several nitrogen heterocyclic analogues have been applied to clinical practice, and about 75% of drugs approved by the FDA contain at least a heterocyclic moiety.
Melford C. Egbujor   +4 more
doaj   +2 more sources

Structure and Stability of Aromatic Nitrogen Heterocycles Used in the Field of Energetic Materials [PDF]

open access: yesMolecules, 2020
Understanding the stabilization of nitrogen heterocycles is critical in the field of energetic materials and calls for innovative knowledge of nitrogen aromatics.
He-Hou Zong   +4 more
doaj   +2 more sources

Recent Advancements in Photocatalytic Synthesis of Five Membered Nitrogen Heterocycles and Their Derivatives [PDF]

open access: yesMolecules
Photocatalytic synthesis of heterocycles has emerged as a versatile strategy in organic synthesis. Among various heterocycles, five membered heterocycles such as pyrroles, indoles and their derivatives have great significance based on their ...
Zeeshan Haider   +2 more
doaj   +2 more sources

Recent Discovery of Nitrogen Heterocycles from Marine-Derived Aspergillus Species [PDF]

open access: yesMarine Drugs
Nitrogen heterocycles have drawn considerable attention because of their structurally novel and significant biological activities. Marine-derived fungi, especially the Aspergillus species, possess unique metabolic pathways to produce secondary ...
Jueying Shi   +8 more
doaj   +2 more sources

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   +4 more sources

Synthesis of Nitrogen Heterocycles Using Samarium(II) Iodide [PDF]

open access: yesMolecules, 2017
Nitrogen heterocycles represent vital structural motifs in biologically-active natural products and pharmaceuticals. As a result, the development of new, convenient and more efficient processes to N-heterocycles is of great interest to synthetic chemists.
Shicheng Shi, Michal Szostak
doaj   +2 more sources

Harnessing unprotected deactivated amines and arylglyoxals in the Ugi reaction for the synthesis of fused complex nitrogen heterocycles [PDF]

open access: yesBeilstein Journal of Organic Chemistry
Piperazines and diazepines are examples of nitrogen heterocycles present in many marketed drugs highlighting their importance in the discovery of novel bioactive compounds.
Javier Gómez-Ayuso   +5 more
doaj   +2 more sources

Nitrogen heterocycles form peptide nucleic acid precursors in complex prebiotic mixtures [PDF]

open access: yesScientific Reports, 2019
The ability to store information is believed to have been crucial for the origin and evolution of life; however, little is known about the genetic polymers relevant to abiogenesis.
Laura E. Rodriguez   +4 more
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

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