4073-31-8Relevant articles and documents
Synthesis and structure of bis-phosphorylated 1,4:3,6-dianhydro-D-mannitol derivatives
Grachev,Soboleva,Kurochkina,Vasyanina,Bel'skii,Nifant'ev
, p. 903 - 908 (2003)
A number of bis-phosphorylated 1,4:3,6-dianhydro-D-mannitol derivatives were synthesized. The increased steric loading of the phosphorus-containing residues in the compounds prepared gives rise to complicated 1H and 31P NMR spectra a
New Access to Six-Membered Phosphacycle Annulated Polyaromatic Ring System
Si, Erbing,Zhao, Peng,Wang, Lili,Duan, Zheng,Mathey, Fran?ois
supporting information, p. 697 - 701 (2020/02/11)
A facile Ag-catalyzed intramolecular C–P bond formation reaction from easily accessible phosphine oxides has been developed. Several new heteroatoms fused π-conjugated molecules were synthesized from this procedure with their structures confirmed by X-ray
Polyhedral oligomeric silsesquioxane-conjugated bis(diphenylphosphino)amine ligand for chromium(III) catalyzed ethylene trimerization and tetramerization
Lee, Hoseong,Hong, Soon Hyeok
, p. 21 - 27 (2018/05/07)
Polyhedral oligomeric silsesquioxanes (POSSs) were attached to conventional bis(diphenylphosphino)amine (PNP) ligand as solubility-enhancing materials for catalytic ethylene trimerization and tetramerization. Differently functionalized arylphosphine ligands of the type (Ph)2PN(POSS)P(Ph)(ArR) (R = functional groups) were systematically developed, and their corresponding chromium(III) complexes were formed. The developed precatalysts exhibited excellent tolerance in solvents, including even low-carbon-number hydrocarbons such as n-pentane, n-hexane, or cyclohexane. In particular, the ortho-fluorophenyl-substituted complex showed higher stability even at higher temperatures above 120 °C. The ortho-OCF3-phenyl-substituted complex showed outstanding catalytic activity, which reached 2287 kg/g Cr/h at 30 bar.