Results 11 to 20 of about 24,939 (257)

Quinazolinone-based hybrids with diverse biological activities: A mini-review

open access: yesJournal of Research in Medical Sciences, 2022
Quinazolinone and quinazoline have been shown different pharmacological activities, namely anticancer, anti-inflammatory, anti-hyperlipidemia, analgesic, antihypertensive, and antibacterial.
Rezvan Rezaeinasab   +2 more
doaj   +1 more source

Synthesis of Quinazoline and Quinazolinone Derivatives via Ligand-Promoted Ruthenium-Catalyzed Dehydrogenative and Deaminative Coupling Reaction of 2-Aminophenyl Ketones and 2-Aminobenzamides with Amines [PDF]

open access: yes, 2019
The in situ formed ruthenium catalytic system ([Ru]/L) was found to be highly selective for the dehydrogenative coupling reaction of 2-aminophenyl ketones with amines to form quinazoline products.
Arachchige, Pandula T. Kirinde   +1 more
core   +3 more sources

Design and Molecular Docking Studies of Quinazoline Derivatives as Antiproliferation

open access: yesJurnal Farmasi dan Ilmu Kefarmasian Indonesia, 2018
Background: Nowadays, a lot of new active substances as anticancer agents have been developed. One of the protein targets of anticancer is selective cyclooxygenase-2 (COX-2). Selective COX-2 is the regulator of cell proliferation.
Anita Puspa Widiyana   +4 more
doaj   +1 more source

Polymyxins and quinazolines are LSD1/KDM1A inhibitors with unusual structural features [PDF]

open access: yes, 2016
Because of its involvement in the progression of several malignant tumors, the histone lysine-specific demethylase 1 (LSD1) has become a prominent drug target in modern medicinal chemistry research.
Ciossani, Giuseppe   +11 more
core   +2 more sources

Hirshfeld Surface Analysis and Energy Framework for Crystals of Quinazoline Methylidene Bridged Compounds

open access: yesProceedings, 2020
The crystal structures of 4-(3,4-dimethoxyphenylethylamino)-methylidene-2,3,4,10-tetrahydro-1H-pyrido[2,1-b]-quinazolin-10-one (1) and 4-(3,4-methylene-dioxyphenylethylamino)-methylidene-2,3,4,10-tetrahydro-1H-pyrido[2,1-b]-quina-zolin-10-one ...
Akmaljon Tojiboev   +7 more
doaj   +1 more source

Quinazoline Based HDAC Dual Inhibitors as Potential Anti-Cancer Agents

open access: yesMolecules, 2022
Cancer is the most devastating disease and second leading cause of death around the world. Despite scientific advancements in the diagnosis and treatment of cancer which can include targeted therapy, chemotherapy, endocrine therapy, immunotherapy ...
Jyothi Dhuguru, Ola A. Ghoneim
doaj   +1 more source

Novel applications of the "t-amino effect" in heterocyclic chemistry. Synthesis of a pyrrolo[1,2-a]quinazoline and 5H-pyrrolo[1,2-a][3,1]benzothiazines [PDF]

open access: yes, 1984
1-(1-Pyrrolidinyl)benzenes substituted with an imino- or an in situ generated thiocarbonyl group in the 2-position rearrange upon heating to quinazoline and benzothiazine derivatives ...
Hamzink, M.R.J.   +3 more
core   +3 more sources

A Pilot retrospective analysis of alpha-blockers on recurrence in men with localised prostate cancer treated with radiotherapy [PDF]

open access: yes, 2020
While alpha-blockers are commonly used to reduce lower urinary tract symptoms in prostate cancer patients receiving radiotherapy, their impact on response to radiotherapy remains unknown.
Anoopkumar-Dukie, Shailendra   +6 more
core   +1 more source

Crystal structure of 4-methylsulfanyl-2-phenylquinazoline

open access: yesActa Crystallographica Section E, 2014
In the title compound, C15H12N2S, the methylthioquinazoline group is planar with the methyl C displaced by only 0.116 (3) Å from the plane of the quinazoline moiety. The dihedral angle between the phenyl ring and the quinazoline ring system is 13.95 (5)°.
Mohammed B. Alshammari   +4 more
doaj   +1 more source

Diazanaphthalenes: A 13C NMR investigation on the site of protonation and pKa values [PDF]

open access: yes, 1976
The pH dependence of the 13C chemical shifts (δ) of the diazanaphthalenes has been recorded. From this dependence the pKa values have been determined using the Henderson-Hasselbach equation.
Meer, Douwe van der   +2 more
core   +2 more sources

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