96277-83-7Relevant academic research and scientific papers
PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY ENRICHED ISOXAZOLINE COMPOUNDS - CRYSTALLINE TOLUENE SOLVATE OF (S)-AFOXOLANER
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, (2017/11/06)
This invention relates to processes for the preparation of antiparasitic isoxazoline compounds enriched in an enantiomer using quinine- based chiral phase transfer catalysts. The invention also relates to novel quinine-based phase transfer catalysts and t
POLYCATENAR LIGANDS AND HYBRID NANOPARTICLES MADE THEREFROM
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Page/Page column 35; 38; 39, (2017/10/13)
Described herein are polycatenar ligand compounds and their use in the production of hybrid nanoparticles, typically nanocrystals. The present disclosure also relates to films containing the hybrid nanoparticles described herein and their use.
Polycatenar Ligand Control of the Synthesis and Self-Assembly of Colloidal Nanocrystals
Diroll, Benjamin T.,Jishkariani, Davit,Cargnello, Matteo,Murray, Christopher B.,Donnio, Bertrand
, p. 10508 - 10515 (2016/09/04)
Hydrophobic colloidal nanocrystals are typically synthesized and manipulated with commercially available ligands, and surface functionalization is therefore typically limited to a small number of molecules. Here, we report the use of polycatenar ligands d
Visual detection of fluoride ions
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, (2015/12/18)
Dendrimer-hydrazides are coupled to polycyclic aromatic hydrocarbons for use in the visual detection of the presence of low levels of fluoride in a sample. The dendrimers can have a phenyl core, a first generation of aralkyl ethers, and an optional second generation of aralkyl ethers. The compounds form gels with solvents. In the presence of fluoride ion, the gels undergo color changes and/or gel to liquid phase change.
Design of an amide N-glycoside derivative of β-glucogallin: A stable, potent, and specific inhibitor of aldose reductase
Li, Linfeng,Chang, Kun-Che,Zhou, Yaming,Shieh, Biehuoy,Ponder, Jessica,Abraham, Adedoyin D.,Ali, Hadi,Snow, Anson,Petrash, J. Mark,Labarbera, Daniel V.
supporting information, p. 71 - 77 (2014/02/14)
β-Glucogallin (BGG), a major component of the Emblica officinalis medicinal plant, is a potent and selective inhibitor of aldose reductase (AKR1B1). New linkages (ether/triazole/amide) were introduced via high yielding, efficient syntheses to replace the labile ester, and an original two-step (90%) preparation of BGG was developed. Inhibition of AKR1B1was assessed in vitro and using transgenic lens organ cultures, which identified the amide linked glucoside (BGA) as a stable, potent, and selective therapeutic lead toward the treatment of diabetic eye disease.
Supramolecular design for two-component hydrogels with intrinsic emission in the visible region
Rajamalli,Atta, Supriya,Maity, Sandeepan,Prasad, Edamana
, p. 1744 - 1746 (2013/03/14)
We report, for the first time, an in situ formation of two-component hydrogels from pyridine derivatives of poly(aryl ether) dendrons and tartaric acid. The two-component system (dendron + acid) undergoes J-type aggregation, leading to fibrillar type self-assembly in THF-water mixture along with blue (470 nm) and green (500 nm) intrinsic emissions. The Royal Society of Chemistry 2013.
Synthesis of salidroside analogues and their ability of DPPH radical scavenging activity
Zheng, Cheng,Guo, Yibing,Meng, Ying,Dou, Sufeng,Shao, Jian,Yang, Yumin
, p. 654 - 664 (2013/07/11)
Salidroside is a phenylpropanoid glycoside isolated from Rhodiolarosea L., a traditional Chinese medicinal plant, and has displayed a broad spectrum of pharmacological properties. In this paper, about 22 novel glycosides have been synthesized and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenge activity of each glycoside has been evaluated. 2-(3,4,5-Trihydroxyphenyl)ethyl β-D-galactopyranoside and 3-(3,4,5-trihydroxyphenyl)propyl β-D-glucopyranoside exhibit significant activity prior to salidroside and Vitamin C with EC50 values of 35.85 μM and 36.71 μM, respectively. The results indicate that the phenolic hydroxyl group of these compounds is important for radical scavenging activity and phenyl ring substitution by electron-donating substituents lead to increased antioxidant activity.
Glucose-cored poly(aryl ether) dendron based low molecular weight gels: PH controlled morphology and hybrid hydrogel formation
Rajamalli,Sheet, Partha Sarathi,Prasad, Edamana
supporting information, p. 6758 - 6760 (2013/07/26)
We designed poly(aryl ether) dendron based transparent hydrogels containing glucose moiety, which undergoes in situ transition from nanofibers to spherical aggregates, upon pH variation. The process is reversible and the assembled structures have been characterized by DLS and SEM. More importantly, efficient dispersion of graphene oxide results in lower CGC (0.08 wt%) value and higher mechanical strength, compared to the native gel.
Low molecular weight fluorescent organogel for fluoride ion detection
Rajamalli,Prasad, Edamana
, p. 3714 - 3717 (2011/09/12)
The design, synthesis, and the photophysical properties of a Low Molecular Weight Gel (LMWG) based on AB3 and AB2 type poly(aryl ether) dendrons with an anthracene chromophore attached through an acylhydrazone linkage are described. The gel is utilized for an efficient 'naked eye' detection of fluoride ions (as low as 0.1 equiv with respect to the gelator concentration), through a reversible gel-sol transition, which is associated with a color change from deep yellow to bright red.
Luminescent micro and nanogel formation from AB3 type poly(aryl ether) dendron derivatives without conventional multi-interactive gelation motifs
Rajamalli,Prasad, Edamana
, p. 1541 - 1548 (2011/09/20)
We report the synthesis, gelation and photophysical properties of luminescent AB3 type poly(aryl ether) dendron derivatives in the absence of conventional multi-interactive gelation motifs. The gelation process is controlled through employing partial polar solvent milieu, which significantly enhances the propensity of π-π interaction between the aryl units present in the system. The self-assembly leads to unprecedented gelation through entrapping solvent molecules in the fibrillar arrangement of poly(aryl ether) units. The strategy was further utilized to prepare an excimer based photoluminescent gel through incorporating anthracene units in the dendrons. The close proximity between the anthracene units in the gel renders the formation of anthracene excimers at room temperature, resulting in the emission of bright green light from the gel, upon UV excitation. The study suggests that the size and packing of the self-assembled fibre can be controlled by the generation and functional groups present in the dendron. Furthermore, the strategy envisages an easy approach to generate fluorescent Low Molecular-mass Organic Gelator (LMOG) through incorporating poly cyclic aromatic hydrocarbon units to the poly(aryl ether) dendrons, since the self-assembly is largely guided by π-π interactions. The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
