Results 1 to 10 of about 23,082 (272)

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   +9 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   +5 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   +3 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   +3 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   +3 more sources

Sulfur-Nitrogen Heterocycles [PDF]

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

Nitrogen Containing Heterocycles as Anticancer Agents: A Medicinal Chemistry Perspective

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

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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