Results 111 to 120 of about 11,801 (209)

Further considerations to improve the druggability of biaryl hydroxy-triazole and fluorene-triazole hybrids [PDF]

open access: yesExploration of Drug Science
Buarque et al. (Explor Drug Sci. 2025;3:1008107. DOI: 10.37349/eds.2025.1008107) reported the synthesis of 13 biaryl hydroxy-1,2,3-triazoles and 11 fluorene-1,2,3-triazole hybrids via optimized Suzuki and telescopic one-pot reactions.
Zhiqi Liu, Meihong Zhang, Zhengwei Huang
doaj   +1 more source

Chalcones as versatile synthons for the synthesis of 5- and 6-membered nitrogen heterocylces [PDF]

open access: yes, 2014
Chalcones belong to the flavonoid family which constitutes one of the major classes of naturally occurring oxygen heterocyclic compounds. The alpha,beta-unsaturated carbonyl system of chalcones possesses two electrophilic reactive centers allowing them ...
Albuquerque, Hélio   +3 more
core   +1 more source

Derivatives of grindelic acid: from a non-active natural diterpene to synthetic antitumor derivatives [PDF]

open access: yes, 2013
Using several reactions that include homologations and asymmetric epoxidations as well as Ugi and Huisgen couplings, we generated a small focused library of new derivatives from the labdane-type diterpene grindelic acid. These compounds were evaluated as
Chiaramello, Alejandra Ilda   +7 more
core   +3 more sources

Síntesis de hidrotalcitas calcinadas Cu/Al y su evaluación catalítica en la obtención de Triazol- Dihidropirimidinonas (T-DHPM) [PDF]

open access: yes, 2017
85 páginas. Maestría en Ciencias e Ingeniería de Materiales.Se sintetizaron materiales tipo hidrotalcita de cobre y aluminio con relaciones molares Cu:Al 1:1 y 3:1, las hidrotalcitas fueron sometidas a tratamiento térmico para obtener la hidrotalcita ...
LOPEZ ALVAREZ, ITZEL GUADALUPE
core  

Synthetic chemistry and biological activity of pentafluorosulphanyl (SF5) organic molecules [PDF]

open access: yes, 2012
Acknowledgements We thank the European Commission for financial support (Industry Academia Partnerships and Pathways project “PET BRAIN”, Contract No 251482). S.A.
Altomonte, Stefano, Zanda, Matteo
core   +1 more source

Synthèse, dérivation et évaluation de pharmacophores hybrides Alcynyl-TriAzolyCarbinols N-glycosylés [PDF]

open access: yes, 2014
La fonction alcényl-alcynylcarbinol (AAC) est un pharmacophore clé rencontré dans des produits naturels extraits d'éponges marines, les pétrosiacétylènes, aux propriétés biologiques multiples, en particulier une cytotoxicité remarquable sur les cellules ...
Oukessou, Mohamed
core  

Insulin-like Growth Factor 1 Analogs Clicked in the C Domain : Chemical Synthesis and Biological Activities [PDF]

open access: yes, 2017
Human insulin-like growth factor 1 (IGF-1) is a 70 amino acid protein hormone, with key impact on growth, development, and lifespan. The physiological and clinical importance of IGF-1 prompted challenging chemical and biological trials toward the ...
Andrzej M. Brzozowski   +11 more
core   +2 more sources

Reaction Mechanisms of Transition-Metal-Catalyzed Azide-Alkyne Cycloaddition “Click” Reactions: A DFT Investigation

open access: yes, 2015
International audienceDFT calculations at the PBE0/LANL2DZ level have been performed on model compounds to investigate the reaction mechanism of two recently reported metal-catalyzed alkyne azide cycloaddition (MAAC).
Astruc, Didier   +5 more
core   +2 more sources

Green ultrasound-assisted three-component click synthesis of novel 1H-1,2,3-triazole carrying benzothiazoles and fluorinated-1,2,4-triazole conjugates and their antimicrobial evaluation

open access: yesActa Pharmaceutica, 2017
The present study describes an efficient and ecofriendly, ultrasound, one-pot click cycloaddition approach for the construction of a novel series of 1,4-disubstituted-1,2,3-triazoles tethered with fluorinated 1,2,4-triazole-benzothiazole molecular ...
Rezki Nadjet, Aouad Mohamed Reda
doaj   +1 more source

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