WebAug 14, 2024 · In this respect, NHC-BIAN-type ligands [BIAN–bis(imino)acenaphthene] bearing a π-extended system have found tremendous applications in the area of C-C or C-heteroatom bond formation, as well as in enantioselective catalysis in the last decade. Their key structural feature arises from the perfect combination of the electronic and steric ... WebApr 12, 2024 · The one-dimensional (1D) coordination polymer [(dpp-bian) − Eu 2+ (4,4-bipy) −-(THF) 2 ·4THF] n (1) (dpp-bian is 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene; 4,4′-bipy is 4,4′-bipyridine) was synthesized by the oxidation of the complex [(dpp-bian) 2−-Eu 2+ (THF) 4] with neutral 4,4′-bipy in …
Bis(imino)pyridine C5H5N3 - PubChem
WebMar 8, 2024 · The discovery of NHCs (NHC = N-heterocyclic carbenes) as ancillary ligands in transition-metal-catalysis ranks as one of the most important developments in synthesis and catalysis. It is now well-recognized that the strong σ-donating properties of NHCs along with the ease of scaffold modification an … WebJan 14, 2009 · Bis(imino)acenaphthenes (BIAN) have been known for many years. However, it is only since the 1990s that such compounds have been recognized as robust ligands for the support of catalytically active transition metal centers. More recently, the unique stereoelectronic properties of the BIAN ligand cla … chrs program
Synergy of metal nanoparticles and organometallic complex in …
WebP-stereogenic phosphorus compounds are a ubiquitous and critically important class of chiral ligands in asymmetric catalysis. Methods for catalytic asymmetric synthesis via a step- and atom-economic way are still very limited. We herein disclose a protocol of phosphinate-directed iridium-catalyzed enantioselective ortho-H borylation to construct P-stereogenic … WebThe UV-vis absorption spectra of some complexes are shown in Figure 1, and Table 1 summarizes the absorption maxima of different complexes in solid thin film and in different solvents. In general ... Web2024 - Jun 20244 years. Lubbock, Texas. Modified the procedure for the synthesis of Bis (imino)acenaphthene (BIAN) which improved the yields. • Studied the effect of electronics and stearics by ... dernière version windows 10 21h1