13402-31-8Relevant articles and documents
Synthesis of mono-, di-, and triaminobismuthanes and observation of C-C coupling of aromatic systems with bismuth(iii) chloride
Hering-Junghans, Christian,Schulz, Axel,Thomas, Max,Villinger, Alexander
supporting information, p. 6053 - 6059 (2016/04/26)
The reaction of lithium N-trimethylsilyl-amides of the type RN(SiMe3)Li with bismuth(iii) chloride yielded mono-, di- or triaminobismuthanes depending on the sterical demand of the anilide ligand R and the used stoichiometry. For the bulky Mes? substituent the reaction with BiCl3 resulted in the formation of a C-C coupling product as the main product besides a small amount of the expected Mes?N(SiMe3)BiCl2.
Fe(II) and Co(II) pyridinebisimine complexes bearing different substituents on ortho- and para-position of imines: Synthesis, characterization and behavior of ethylene polymerization
Liu, Jing-Yu,Zheng, Yi,Li, Yan-Guo,Pan, Li,Li, Yue-Sheng,Hu, Ning-Hai
, p. 1233 - 1239 (2007/10/03)
A series of 2,6-bis(imino)pyridyl iron(II) and cobalt(II) complexes [2,6-(ArNCMe)2C5H3N]MCl2 (Ar = 2,6-i-Pr2C6H3, M = Fe: 3a, M = Co: 4a; Ar = 2,4,6-i-Pr3C6H2, M = Fe: 3b, M = Co: 4b; Ar = 2,6-i-Pr2-4-BrC6H2, M = Fe: 3c, M = Co: 4c; Ar = 2,4-i-Pr2-6-BrC6H2, M = Fe: 3d, M = Co: 4d) has been synthesized, characterized, and investigated as precatalysts for the polymerization of ethylene in the presence of modified methylaluminoxane (MMAO). The substituents of pyridinebisimine ligands and their positions located significantly influence catalyst activity and polymer property. It is found that the catalytic activities of the iron complexes/MMAO systems are mainly dominated by electronical effect, while those of the cobalt complexes/MMAO systems are primarily controlled by hindering effect.