نتایج جستجو برای: diketone

تعداد نتایج: 518  

Journal: :Natural product reports 2011
Subash C Gupta Sahdeo Prasad Ji Hye Kim Sridevi Patchva Lauren J Webb Indira K Priyadarsini Bharat B Aggarwal

Curcumin (diferuloylmethane), the active ingredient in turmeric (Curcuma longa), is a highly pleiotropic molecule with anti-inflammatory, anti-oxidant, chemopreventive, chemosensitization, and radiosensitization activities. The pleiotropic activities attributed to curcumin come from its complex molecular structure and chemistry, as well as its ability to influence multiple signaling molecules. ...

Journal: :Drug testing and analysis 2013
Pierce Kavanagh John O'Brien John D Power Brian Talbot Seán D McDermott

The ring-substituted cathinone - mephedrone - has gained popularity among recreational drug users over the past several years. It is generally consumed orally or by snorting but reports indicate that it is also ingested by vaporization/inhalation. This study examines the pyrolysis products produced by heating mephedrone under using simulated 'meth pipe' conditions. Thirteen pyrolysis products w...

2010
Julie M. Stanley Bradley J. Holliday

In the crystal structure of the title complex, K[Eu(C(5)HF(6)O(2))(2)(C(10)H(6)F(3)O(2))(2)], the Eu(III) ion is in a slightly distorted square-anti-prismatic coordination geometry which is defined by eight O atoms of the anionic β-diketone ligands. The two K(+) ions lie on crystallographic inversion centers. The Eu-O bond distances are in the range 2.294 (5)-2.413 (5) Å. The crystal used was a...

Journal: :ChemistrySelect 2021

Abstract Oxamates as building blocks play an important role in organic and bioorganic chemistry well coordination material sciences. In this paper, we present new fluorinated derivatives, which are synthesized from selected primary amines R F NH 2 (R =CH CF 3 , CH CHF CH(CF ) CH(CH )CF or their hydrochlorides ethyl oxalylchloride. Since oxamates can be considered 1,2 diketones, investigated pro...

Journal: :Proceedings of the National Academy of Sciences 2017

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