Quality Control of N,N-Dimethylformamide Dimethyl AcetalIn 2020 ,《Pyrazolo[1,5-a]pyrimidines-based fluorophores: a comprehensive theoretical-experimental study》 appeared in RSC Advances. The author of the article were Tigreros, Alexis; Aranzazu, Sandra-L.; Bravo, Nestor-F.; Zapata-Rivera, Jhon; Portilla, Jaime. The article conveys some information:
Fluorescent mols. are crucial tools for studying the dynamics of intracellular processes, chemosensors, and the progress of organic materials. In this study, a family of pyrazolo[1,5-a]pyrimidines (PPs) 4a-g has been identified as strategic compounds for optical applications due to several key characteristics such as their simpler and greener synthetic methodol. (RME: 40-53%) as compared to those of BODIPYS (RME: 1.31-17.9%), and their tunable photophys. properties (going from ε = 3320 M-1 cm-1 and φF = 0.01 to ε = 20 593 M-1 cm-1 and φF = 0.97), in which electron-donating groups (EDGs) at position 7 on the fused ring improve both the absorption and emission behaviors. The PPs bearing simple aryl groups such as 4a (4-Py), 4b (2,4-Cl2Ph), 4d (Ph) and 4e (4-MeOPh), allow good solid-state emission intensities (QYSS = 0.18 to 0.63) in these compounds and thus, solid-state emitters can be designed by proper structural selection. The properties and stability found in 4a-g are comparable to com. probes such as coumarin-153, prodan and rhodamine 6G. Ultimately, the electronic structure anal. based on DFT and TD-DFT calculations revealed that EDGs at position 7 on the fused ring favor large absorption/emission intensities as a result of the ICT to/from this ring; however, these intensities remain low with electron-withdrawing groups (EWGs), which is in line with the exptl. data and allows us to understand the optical properties of this fluorophore family. In the experimental materials used by the author, we found N,N-Dimethylformamide Dimethyl Acetal(cas: 4637-24-5Quality Control of N,N-Dimethylformamide Dimethyl Acetal)
N,N-Dimethylformamide Dimethyl Acetal(cas: 4637-24-5) belongs to anime. The reaction of alkyl halides, R―X, where X is a halogen, or analogous reagents with ammonia (or amines) is useful with certain compounds. Not all alkyl halides are effective reagents; the reaction is sluggish with secondary alkyl groups and fails with tertiary ones. Its usefulness is largely confined to primary alkyl halides (those having two hydrogen atoms on the reacting site).Quality Control of N,N-Dimethylformamide Dimethyl Acetal
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem