نتایج جستجو برای: 2 dioxo
تعداد نتایج: 2525681 فیلتر نتایج به سال:
A series of novel azo-disperse dyes containing alkylhydrazonopyridinone structures were synthesized. 4-Methyl-2,6-dioxo-1-propyl-1,2,5,6-tetrahydropyridine-3-carbonitrile (8) is synthesized by one-pot synthesis using ethyl cyanoacetate, propylamine, and ethyl acetoacetate. Compound 8 is then coupled with aromatic and heteroaromatic diazonium salts to afford the corresponding aryl- and heteroary...
The synthesis and pharmacological activity of some aminoalcoholic derivatives of 8-caffeinethioglycolic acid was studied. The structure of the synthesized compounds was proved by microanalysis, IRand H-NMR spectra. All of the investigated compounds were found to be practically non-toxic (LD50 p.o. > 5 g kg in mice) and less toxic compared to caffeine. The compounds were investigated for antihyp...
The title compound, (C(11)H(14)N(4)O(4))[SbCl(4)]·H(2)O, comprises a protonated doxofyllinium cation [7-(1,3-dioxolan-2-ylmeth-yl)-1,3-dimethyl-2,6-dioxo-3,7-dihydro-1H-purin-9-ium], an [SbCl(4)](-) anion and a water mol-ecule linked by N-H⋯O and O-H⋯Cl hydrogen bonds: the [SbCl(4)](-) anions form centrosymmetric dimers via weak Sb⋯Cl inter-actions [Sb⋯Cl = 3.1159 (9) Å]. The geometrical arrang...
The P2Y(12) receptor plays a crucial role in platelet aggregation. In the present study, we analyzed the properties of non-nucleotide antagonists at the recombinant human P2Y(12) receptor and searched for amino acids involved in the molecular interaction. Receptor function was assessed by measuring the cAMP response element (CRE)-directed luciferase expression in Chinese hamster ovary cells. Th...
Lysophosphatidic acid (LPA) is a highly potent endogenous lipid mediator that protects and rescues cells from programmed cell death. Earlier work identified the LPA₂ G protein-coupled receptor subtype as an important molecular target of LPA mediating antiapoptotic signaling. Here we describe the results of a virtual screen using single-reference similarity searching that yielded compounds 2-((9...
Molineria latifolia (Singkut rhizome) is an endemic plant in tropical and humid climates, so it widely distributed several Asian countries. This study determines the antioxidant activity of rhizome ethanol extract isolated compounds. The a strong category with IC50 26.033 ppm. results isolation are known to contain 2,6-dimethoxy-benzoic acid 4-hexyl-2,5-dihydro-2,5-dioxo-3-furanacetic
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