The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. In an article, author is Mukherjee, Sanjukta, once mentioned the application of 5089-22-5, Name is 1,4-Bis(benzo[d]oxazol-2-yl)naphthalene. Now introduce a scientific discovery about this category, Category: naphthyridines.
Cyclophane-containing bis(2-amino-1,8-naphthyridine) moieties attached to variable linkers at the C2-position (linker B) were synthesized as cyclic mismatch-binding ligands (CMBLs). Ring-closing metathesis (RCM) is used as a key step for the introduction of double bonds at the linker B. Decreasing the size of the linker of the substrate, formation of the RCM products with an increasing trans/cis (E/Z) ratio was observed with moderate to high overall yields. Concentration-dependent fluorescence spectra were observed for CMBLs with longer linkers (n=3), whereas concentration-independent spectra were observed for CMBLs with shorter linkers (n=2 and/or 1) with a marked exception of the E-alkene 6a. Concomitant changes in the absorption as well as in the fluorescence spectra were also observed for the CMBLs with an increasing hydrophobicity of the solvent. Absorption and fluorescence spectra of the CMBLs in solutions containing 99-100% methanol resembled to that of the monomer. The binding behavior of these CMBLs with repeat DNA structures was investigated by using a surface plasmon resonance (SPR) assay and circular dichroism (CD) spectra. The cyclic E-alkenes 1a (n=3) and 3a (n=2) show an orthogonal binding relationship with d(CCTG)(9) and d(CAG)(9). However, the selectivity for the cyclic Z-alkenes increased with decreasing the length of the linker from compound 2b (n=3) to compound 7b (n=1). These compounds display a large molecular diversity, which allowed the tuning of the binding affinity and selectivity of the CMBLs by varying the linkers towards various biologically significant repeat DNA structures.
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 5089-22-5, in my other articles. Category: naphthyridines.
Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem