Results 91 to 100 of about 5,173 (205)

Synthesis and Antimicrobial Activity of Some New Thieno[2,3-b]thiophene Derivatives

open access: yesMolecules, 2013
A series of thieno[2,3-b]thiophene moiety-containing bis-cyanopyrazoles 5a–c, bis-aminopyrazole 9 and bis-pyridazine derivatives 11 were synthesized and evaluated in vitro for their antimicrobial potential.
Ahmad M. Farag   +2 more
doaj   +1 more source

Targeting the Subpocket Enables the Discovery of Thiadiazole-Pyridazine Derivatives as Glutaminase C Inhibitors. [PDF]

open access: yesACS Med Chem Lett, 2023
Sun H   +9 more
europepmc   +1 more source

Synthesis of Rhenium and Manganese Pyridazoal Complexes [PDF]

open access: yes, 2013
Pyridazines are a heterocyclic aromatic compound containing a characteristic N-N bond that are utilized in many fields, including medicine and electronics. It is this latter field that Dr. Snyder\u27s research group is focused upon.
Evans, Jesse
core   +1 more source

Dipicolylamine styryldiazine derivatives: Synthesis and photophysical studies

open access: yes, 2015
International audienceDifferent D-π-A push-pull mols. in which dipicolylamine (DPA) is used as the donor group, different diazines as the acceptor groups, and styryl as the π-conjugated spacer have been synthesized in a straightforward manner by aldol ...
Achelle, Sylvain   +3 more
core   +3 more sources

Pyridazin-derivate. I. Synthese der Derivate des Oxypyridazins.

open access: yesChemical and Pharmaceutical Bulletin, 1963
Bei der Einwirkung von Benzylchlorid auf Maleinsaurehydrazid wurden mono- und dibenzylierte Verbindungen hergestellt. In diesem Zusammenhang wurden verschiedene Benzylderivate des Maleinsaurehydrazides hergestellt. Die Konstitution der oben erhaltenen Benzylderivate wurde vermittels UV-Spektren untergesucht.
Fumio Yoneda, Yoshihiro Nitta
openaire   +2 more sources

Reinvestigation of the Reaction of Phenacy lMalononitrile with Hydrazines under Solvent Conditions [PDF]

open access: yes, 2008
Phenacylmalononitrile 3 reacts with hydrazine hydrate in refluxing dioxan to afford the iminopyridazine derivative 6 and the pyrazolo[3,4-c]pyridazine derivative 7.Compound 3 reacts also with phenylhydrazine in refluxing ethanol to afford the ...
Abdelrazek, Fathy M., Mohamed, Ashraf M.
core  

Delivering strong 1H nuclear hyperpolarization levels and long magnetic lifetimes through signal amplification by reversible exchange [PDF]

open access: yes, 2017
Hyperpolarization turns typically weak NMR and MRI responses into strong signals so that ordinarily impractical measurements become possible. The potential to revolutionize analytical NMR and clinical diagnosis through this approach reflect this area's ...
Adams   +40 more
core   +2 more sources

Synthesis, Characterization and Biological Evaluation of Newer Chalcones by Microwave irradiation

open access: yesTo Chemistry Journal, 2020
Chalcones are a common natural pigment & one of the most important classes of flavonoids & iso-flavonoids across the whole edible plant kingdom. This α, β- unsaturated carbonyl is an important and versatile intermediate for the preparation of various ...
Shrikrishna Tupare, Rajendra P. Pawar
doaj  

Synthetic Study of para-Substituted 5,6-Fused Ring Pyridazines [PDF]

open access: yes, 2010
Much of the focus in organic chemistry today is in area of green chemistry. With such large amounts of attention being paid to how do we create a more sustainable world, the focus has been to come up with new ways to not only create energy but to ...
Mobley, Justin
core   +1 more source

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