In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis and antimicrobial activity of new 3,5-diarylidene-4-piperidone derivatives, published in 2016, which mentions a compound: 6684-39-5, mainly applied to diarylidene piperidone preparation antibacterial antifungal, SDS of cas: 6684-39-5.
Three series of heteroaromatic analogs diarylidene-4-piperidones I [Ar = C6H5, 4-FC6H4, 2-thienyl, etc.], [diarylidene(substituted)sulfonyl]piperidin-4-ones II [R1 = 3,5-Cl2-2-OHC6H2, 4-Cl-3-pyridyl, 3,5-Me2-4-isoxazolyl, etc.] and N-alkylcarbonyl-diarylidene-4-piperidones derivatives e.g., III, were synthesized. All the synthesized compounds were evaluated for their antimicrobial activity against six microbial strains, among them II [R1 = 3,5-Cl2-2-OHC6H2] showed best antifungal activity against Aspergillus niger and A. fumigatus. Structural elucidation of the synthesized compounds was realized based on various spectroscopic methods.
As far as I know, this compound(6684-39-5)SDS of cas: 6684-39-5 can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.
Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis