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Norbornadiene
About: Norbornadiene is a research topic. Over the lifetime, 2389 publications have been published within this topic receiving 38603 citations.
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TL;DR: In this paper, the preparation and properties of cationic rhodium complexes of the type [Rh(diolefin)L2]ClO4 (DIOLEF, NBD; L sulfur donor ligand) are described.
8 citations
Patent•
12 Aug 2003
TL;DR: In this article, a process for efficiently producing quadricyclane by the conversion of norbornadiene was proposed, where a sensitizer, such as a substituted diaminobenzophenone having a solubility in norbornadene greater than that of Michler's Ketone, was added to the norbornadaene to form a solution, wherein the sensitizers decreased the induction period at the beginning of the reaction, increased the photon or quantum efficiency of conversion, and increased the rate of conversion at the end.
Abstract: The present invention relates to a process for efficiently producing quadricyclane by the conversion of norbornadiene. A sensitizer, such as a substituted diaminobenzophenone having a solubility in norbornadiene greater than that of Michler's Ketone, may be added to the norbornadiene to form a solution, wherein the sensitizer decreases the induction period at the beginning of the reaction, increases the photon or quantum efficiency of conversion of norbornadiene to quadricyclane, and increases the rate of conversion at the end of the reaction. The solution may be irradiated with light from a metal halide-doped mercury arc lamp and filtered through a sharp cut-off filter to render photochemical transformation of norbornadiene to quadricyclane more efficient than when other light sources are utilized. Furthermore, the addition of a base to the solution tends to result in the formation of fewer by-products in the transformation reaction.
8 citations
TL;DR: The structural characterizations of some copper(I) halide (CuX) adducts with norbornadiene (nbd) are recorded in this article, where they are based around Cu4Cl4 ‘cubane-type cluster arrays.
Abstract: The structural characterizations of some copper(I) halide (CuX) adducts with norbornadiene (‘nbd’) are recorded. CuCl : nbd (1:1)4 (a redetermination), (2:1)2(∞|∞), are systems both based around Cu4Cl4 ‘cubane’-type cluster arrays. CuBr : nbd (7:3)(∞|∞)( 0.5 MeOH), a complex polymer with 3-symmetry, is believed to be the complex previously described as an adduct of 2:1 stoichiometry. Attempts to obtain an iodide counterpart have resulted in the definition of an ephemeral adduct CuI : MeCN (3:2)(∞|∞). 0.5 C7H8 in which, remarkably, the nbd is uncoordinated; the complex is a polymer, related to the [AgX(quinoline)](∞|∞) (X = Cl, Br) ‘saddle’ polymer.
8 citations
TL;DR: In this paper, a marker inverse kinetic isotope effect for the hydrogenation of bicyclo[2.2.1]hepta-2,5-diene(norbornadiene, nbd) by the [Ir(PPh3)2(OCMe2)2H2]+ Ion (1), and its dideuterio-analogue, and a detailed mechanism is proposed.
Abstract: A stopped-flow kinetic study reveals a marker inverse kinetic isotope effect for the hydrogenation of bicyclo[2.2.1]hepta-2,5-diene(norbornadiene, nbd) by the [Ir(PPh3)2(OCMe2)2H2]+ Ion (1), and its dideuterio-analogue, and a detailed mechanism is proposed.
8 citations