Results 101 to 110 of about 10,618 (207)

Quinazolines. Part IV.

open access: yes, 1936
Quinazolines. Part IV.
SANT SINGH BEDI, KARTAR SINGH NARANG
openaire   +1 more source

Quinazoline compounds for antitumor treatment

open access: yesExperimental Oncology, 2023
Summary. Quinazolines are among the most useful heterocyclic compounds due to their diverse chemical reactivity and a wide range of biological activity. Despite a large number of publications devoted to quinazolines and their derivatives, information is presented predominantly regarding the features of the synthesis of these compounds and their ...
openaire   +2 more sources

Facile access to potent antiviral quinazoline heterocycles with fluorescence properties via merging metal-free domino reactions

open access: yesNature Communications, 2017
Heterocycles are ubiquitous in bioactive compounds and routes to different substitution patterns are important to access the full substrate space.
Felix E. Held   +13 more
doaj   +1 more source

Synthesis and Reactivity of [1,2,4]Triazolo-annelated Quinazolines

open access: yesMolecules, 2010
This paper reports the synthesis of phenyl-substituted 2-alkoxy(methylsulfanyl)-1,2,4-triazolo[1,5-a]quinazolines starting from N-cyanoimidocarbonates and substituted hydrazinobenzoic acids as building blocks.
Rashad A. Al-Salahi
doaj   +1 more source

Synthesis and biological evaluation of novel 2-phenylquinazoline-4-amine derivatives:identification of 6-phenyl-8H-benzo[g]quinazolino[4,3-b]quinazolin-8-one as a highly potent inducer of NAD(P)H quinone oxidoreductase 1 [PDF]

open access: yes, 2016
A novel series of quinazoline compounds (2-14) incorporating biologically active heterocyclic moieties were designed and synthesized. The structure of the newly synthesized compounds was recognized on the basis of elemental analyses, IR, (1)H-NMR, (13)C ...
Abdelaaty A. Shahat   +9 more
core   +2 more sources

Interaction of some new 2-(substituted-thio)-quinazolin-4-ones with molybdenum hydroxylases: A pharmacophore prediction

open access: yesFuture Journal of Pharmaceutical Sciences, 2015
Background: Molybdenum hydroxylases have been implicated as key oxidative enzymes in some diseases. Methods: Twenty 2-(substituted-thio)-quinazolin-4-one derivatives recently synthesized in our laboratory were examined for their inhibitory activity ...
Hussein I. El-Subbagh   +3 more
doaj   +1 more source

Recent advances using [Cp*Co(CO)I2] catalysts as a powerful tool for C-H functionalisation [PDF]

open access: yes, 2017
Expansion of the synthetic chemists' toolbox is currently a topic of great interest, with successes providing access to novel compounds and more efficient routes towards new and known pharmaceuticals and agrochemicals.
Chirila, Paula G, Whiteoak, Christopher
core   +1 more source

Aqueous phase hydration and hydrate acidity of perfluoroalkyl and n:2 fluorotelomer aldehydes [PDF]

open access: yes, 2010
Perfluoroalkyl aldehydes (PFAlds) and n:2 fluorotelomer aldehydes (FTAlds) are degradation products of precursor compounds that include fluorotelomer alcohols, iodides, acrylates, phosphate esters, and other derivatives, as well as hydrofluorocarbons and
Kaya Forest, Sierra Rayne
core   +1 more source

Chiral benzimidazoles as hydrogen bonding organocatalysts [PDF]

open access: yes, 2015
Several bifunctional organocatalysts bearing the benzimidazole unit have been designed in order to act as bifunctional systems by hydrogen bonding. Chiral 2-aminobenzimidazoles are conformational rigid guanidines able to catalyze enantioselectively ...
Nájera, Carmen, Yus, Miguel
core   +2 more sources

Microwave assisted synthesis of triazoloquinazolinones and benzimidazoquinazolinones

open access: yesBeilstein Journal of Organic Chemistry, 2007
BackgroundBenzimidazoquinazolinones and related quinazolines are classes of heterocycles that are of considerable interest because of the diverse range of their biological properties.
Aboul-Fetouh E. Mourad   +3 more
doaj   +1 more source

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