Topic
Norbornene
About: Norbornene is a research topic. Over the lifetime, 5628 publications have been published within this topic receiving 104495 citations. The topic is also known as: norbornylene & norcamphene.
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TL;DR: Regioselective additions of arylsulfonamides to vinylarenes, norbornene, and cyclohexadiene were achieved using a copper-diphosphine catayst under mild reaction conditions and appear to be ligand-accelerated.
124 citations
TL;DR: A series of neutral nickel complexes with Schiff-base ligands was synthesized and characterized by X-ray single-crystal analyses in this article, which showed high catalytic activities of up to 3.16 x 10(7) g PNB mol(-1) Ni h(-1), for the addition polymerization of norbornene in the presence of modified methylaluminoxane (MMAO) as cocatalyst.
124 citations
TL;DR: Cationic Ir complex catalyzed the addition of ortho-C-H bonds in aryl ketones to alkynes, which gave alkenylated products in good to high yield as discussed by the authors.
124 citations
TL;DR: Optically active norbornyl and 1-phenylethyl alcohols and bromides were obtained, respectively, from either norbornene and styrene with trichlorosilane catalyzed by a chiral ferrocenylphosphine-palladium complex followed by treatment with potassium fluoride.
123 citations
TL;DR: In this paper, a copolymerization of ethylene with norbornene (NBE), cyclopentene (CPE), and 1-hexene by (arylimido)(aryloxo)vanadium(V) complexes of the type VCl2(N-2,6-Me2C6H3)(OAr) with cocatalyst [methylaluminoxane (MAO) or Et2AlCl] catalyst systems have been explored.
Abstract: Copolymerizations of ethylene with norbornene (NBE), cyclopentene (CPE) and 1-hexene by (arylimido)(aryloxo)vanadium(V) complexes of the type VCl2(N-2,6-Me2C6H3)(OAr) [Ar = 2,6-Me2C6H3 (1), 2,6-iPr2C6H3 (2), 2,6-Ph2C6H3 (3)] with cocatalyst [methylaluminoxane (MAO) or Et2AlCl] catalyst systems have been explored. These complexes exhibited remarkable catalytic activities for ethylene polymerization in the presence of Et2AlCl cocatalyst; in particular, the resultant polyethylene prepared by 1 possessed narrow molecular weight distributions and the Mn value increased linearly upon increasing the polymer yields (TON values). Notable effects of Al cocatalyst have been observed in the copolymerization of ethylene with NBE: the catalytic activities, the NBE incorporation, dominant chain transfer reactions, and the Mn values for resultant copolymers were highly dependent upon the Al cocatalyst employed (MAO or Et2AlCl). The 1−Et2AlCl catalyst system exhibited remarkable catalytic activities, affording ultrahigh ...
122 citations