نتایج جستجو برای: 4h pyran
تعداد نتایج: 7801 فیلتر نتایج به سال:
Bouea macrophylla Griff is a member of the Anacardiaceae family, which has edible fruits. Due to high nutritional value, appealing taste, and attractive color, fruit juice B. potential be developed as functional beverage. The present study was conducted determine phytochemical profile using GC-MS LC-MS/MS. analysis performed with Agilent Technologies 7890 Gas Chromatograph automated sampling ta...
Abstract Chelidonic acid (4-oxo-4H-pyran-2,6-dicarboxylic acid) is present in plants of Papaveraceae family, especially Chelidonium majus . Due to its anticancer, antibacterial, hepatoprotective, and antioxidant properties, it has been used medical treatments. In this work, the X-ray structure methanol solvate chelidonic was determined. Layers are held by hydrogen bonds via COOH C = O fragments...
In the title compound, C24H15BrO3, the pyran-ochromenone ring is essentially planar, while the 2-bromo-phenyl group is almost perpendicular to it [85.58 (6)°]. In the crystal, inversion dimers linked by pairs of weak C-H⋯π bonds occur; there is also a short inter-atomic contact found between the Br and carbonyl O atoms [3.016 (1) Å].
In the present research, silica bonded n-propyl-1,3,5-triazine-2,4,6-triamine (SPTT) was synthesized by direct incorporation of chloropropyl groups through co-condensation of tetraethyl orthosilicate (TEOS) and 3-chloropropyl trimethoxysilane (CPTMS) and subsequent grafting the melamine onto the propyl groups via simple nucleophilic substitution reaction. The catalyst has been characterized by ...
β-Glucuronidase (GUS) plays a key role in tumor initiation, metastasis, and progression, thus, has been proposed as promising cancer biomarker. In this study, we designed an enzyme-activatable near-infrared (NIR) fluorescent probe (DCM-βGlcA) for the rapid accurate detection of GUS activity vitro, vivo ex vivo. The DCM-βGlcA was prepared by linking glucuronic acid residue to dicyanomethylene-4H...
This paper presents the results of predicting drug-likeness, biological activity, and toxicity for 8 new derivatives 3,5-bis(hydroxymethyl)tetrahydro-4H-pyran-4-one using bioinformatic methods. The physicochemical pharmacokinetic parameters studied compounds were determined, in silico screening activity prediction their carried out. Physicochemical evaluated Molinspiration Cheminformatics servi...
Plant Based Natural Products (PBNPs) have been subject of interest since ancient time due to their use in food, industrial and biomedical applications. Research attention has further augmented explore phytochemical composition, properties, potential application the post-COVID era. In present study screening carried out with Methanolic Leaf Extracts Moringa oleifera (MLEMO) followed by Gas Chrom...
Pyran copolymer (NSC 46015) was found to potentiate strongly the immune response of C57BL/6J X DBA/2 F1 mice to 10(4) live L1210 tumor cells following suboptimal vaccination with 10(7) radiation-inactivated L1210 cells. Optimal immunity to challenge was produced by concomitant i.p administration of pyran and L1210 vaccine, and activity was dependent upon both pyran and vaccine dosages. In addit...
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