205865-54-9Relevant academic research and scientific papers
Mild access to planar-chiral: Ortho -condensed aromatic ferrocenes via gold(i)-catalyzed cycloisomerization of ortho -alkynylaryl ferrocenes
Urbano, Antonio,Hernández-Torres, Gloria,Del Hoyo, Ana M.,Martínez-Carrión, Alicia,Carmen Carre?o
, p. 6419 - 6422 (2016)
An efficient approach to (Rp) planar-chiral tri- and tetracyclic ortho-condensed aromatic ferrocenes was developed through the enantioselective cationic Au(i)-catalyzed cycloisomerization, in the presence of bidentate phosphine ligand (R)-DTBM-Segphos, from readily available ortho-alkynylaryl ferrocenes under very mild conditions (11 examples, up to 92% yield and 93% ee).
Pt-Catalyzed Enantioselective Cycloisomerization for the Synthesis of Planar-Chiral Ferrocene Derivatives
Shibata, Takanori,Uno, Ninna,Sasaki, Tomoya,Kanyiva, Kyalo Stephen
, p. 6266 - 6272 (2016)
Enantioselective cycloisomerization of 2-ethynyl-1-ferrocenylbenzene derivatives proceeded by using a chiral cationic platinum catalyst at room temperature. The intramolecular reaction gave planar-chiral naphthalene- and anthracene-fused ferrocene derivatives with high to excellent ee.
Synthesis of Substituted Naphtho-Ferrocenes via a Gold(I)-Catalyzed Intramolecular 6-endo-Dig Cyclization
Zhang, Pei-Chao,Wang, Yidong,Qian, Deyun,Li, Wenbo,Zhang, Junliang
, p. 849 - 852 (2017)
A novel series of naphtho-ferrocene derivatives were synthesized in high yields by an efficient gold-catalyzed intramolecular 6-endo-dig cyclization strategy. The salient features of this reaction include easy operation, broad substrate scope, high yields, mild conditions and it works well in wet solvent under air at room temperature.
