Chemical Research Letters, May 2021. Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, and research on the structure and performance of functional materials. In an article, author is Fu, Wen-Fu, once mentioned the application of 149022-15-1, Name is 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate(1:1:x). Now introduce a scientific discovery about this category, Recommanded Product: 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate(1:1:x).
A series of 1,8-naphthyridine derivatives containing vinyl, 2-(2-acetylamino-pyridine-6-ethylene)-4-methyl-7-acetylamino-1,8-naphthyridine (L(1)), 2-(2-acetylamino-pyridine-6-ethylene)-1,8-naphthyridine (L(2)), 2-(2-acetylamino-pyridinyl-6ethylene)-4-methyl-7-hydroxyl-1,8-naphthyridine (L(3)), 2-(2-diacetylamino-pyridiny1-3-ethylene)-7-diacetylamino-1,8-naphthyridine (L(4)), and 7-(2-diacetylamino-pyridiny1-3-ethylene)-4′-acetyl-pyrrolo[1′,5′-a]-1,8-naphthyridine (L(5)), as well as complexes [CuL(1)(PCy(3))](BF(4))(2) (1) (PCy(3) = tricyclohexylphosphine), [Cu(2)L(1)(PPh(3))(4)](BF(4))(2) (2) (PPh(3) = triphenylphosphine), [Cu(2)L(1)(dppm)](BF(4))(2) (3) (dppm = bis(diphenylphosphino)methane), and [Cu(2)(L(1))(dcpm)][BF(4)](2) (4) (dcpm = bis(dicyclohexylphosphino)methane, were synthesized. All these compounds, except for L(1) and L(2), were characterized by single crystal X-ray diffraction analysis, and a comprehensive study of their spectroscopic properties involving experimental theoretical studies is presented. We found an intramolecular 1,3-hydrogen transfer during the formation of L(3) and L(4), which in the case of the latter plays an important role in the 1,5-dipolar cyclization of L(5). The spectral changes that originate from an intramolecular charge transfer (ICT) in the form of a pi(py)->pi(napy)* transition can be tuned through acid/base-controlled switching for L(1)-L(3). A photoinduced isomerization for L(1)-L(3), 1, and 2 having flexible structures was observed under 365 nm light irradiation. Quantum chemical calculations revealed that the dinuclear complexes with structural asymmetry exhibit different metal-to-ligand charge-transfer transitions.
Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. Welcome to check out more blogs about 149022-15-1, in my other articles. Recommanded Product: 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate(1:1:x).
Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem