Month: September 2024

《A Sensor Array for the Nanomolar Detection of Azo Dyes in Water》 was published in ACS Sensors in 2020. These research results belong to Tropp, Joshua; Ihde, Michael H.; Crater, Erin R.; Bell, Noel C.; Bhatta, Rimsha; Johnson, Ian C.; Bonizzoni, Marco; Azoulay, Jason D.. Electric Literature of C51H42O3Pd2 The article mentions the following:

Azo dyes are ubiquitous pollutants that contaminate water supplies and threaten human, biota, and ecosystem health. Their detection and discrimination are a considerable challenge owing to the numerous structural, chem., and optical similarities between dyes, complexity of the wastewater in which they are found, and low environmental concentrations Here, we demonstrate that the inner filter effect (IFE), in combination with conjugated polymer array-based sensing, offers a rapid approach for the quant. profiling of these pollutants. The array was constructed using three anionic conjugated polyelectrolytes whose varying spectroscopic properties led to distinct IFE patterns in the presence of various dyes. These unique fluorescence response patterns were identified and processed using linear discriminant anal. (LDA), enabling the individual identification of 12 closely related azo dyes. To demonstrate the potential for utility in the environment, the array was used to differentiate between these dyes at nanomolar concentrations in water. In the part of experimental materials, we found many familiar compounds, such as Tris(dibenzylideneacetone)dipalladium(0)(cas: 51364-51-3Electric Literature of C51H42O3Pd2)

Tris(dibenzylideneacetone)dipalladium(0)(cas: 51364-51-3) is the most widely used PdO precursor complex in synthesis and catalysis, in particular as a catalyst for various coupling reactions. Electric Literature of C51H42O3Pd2 It also used for palladium-catalyzed one-pot synthesis of tricyclic indolines, in the Suzuki-Miyaura coupling of 2-pyridyl nucleophiles and cross-coupling of aryl halides with aryl boronic acids.

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Li, Sasa; Huang, Xia; Gao, Yunlong; Jin, Jian published their research in Organic Letters on August 12 ,2022. The article was titled 《Oxalamide/Amide Ligands: Enhanced and Copper-Catalyzed C-N Cross-Coupling for Triarylamine Synthesis》.COA of Formula: C18H14BrOP The article contains the following contents:

A new protocol for triarylamine synthesis was presented where a wide range of diarylamines couple smoothly with aryl bromides mediated by a copper oxalamide (or amide) catalytic system. Notably, a new non-C2-sym. 1-isoquinolinamide-based N,N-/N,O-bidentate ligand was introduced that could tolerate bulky diarylamines. Plenty of known optoelectronic functional mols. could be synthesized in good to excellent yields. The practicality of this C-N cross-coupling was illustrated by the gram-scale synthesis of a patented thermally activated delayed fluorescence emitter for organic light-emitting diodes. In the part of experimental materials, we found many familiar compounds, such as (3-Bromophenyl)diphenylphosphine oxide(cas: 10212-04-1COA of Formula: C18H14BrOP)

(3-Bromophenyl)diphenylphosphine oxide(cas: 10212-04-1) belongs to mono-phosphine Ligands.Phosphine ligands are the most significant class of ligands for cross-coupling because of the alterability of their electronic and steric properties. Ligands play a key role in stabilizing and activating the central metal atom and are used in reactions, such as transition metal catalyzed cross-coupling.COA of Formula: C18H14BrOP

Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI