Closely stacked oligo(phenylene ethynylene)s: Effect of π-stacking on the electronic properties of conjugated chromophores
In this work, a bicyclo[4.4.1]undecane scaffold is used to hold oligo(phenylene ethynylene) units in a cofacially stacked arrangement along the entire length of the conjugated units. We study the impact that the resulting strong interchain interactions ha
Jagtap, Subodh P.,Mukhopadhyay, Sukrit,Coropceanu, Veaceslav,Brizius, Glen L.,Bredas, Jean-Luc,Collard, David M.
A rhodium complex of N-heterocyclic carbene (NHC) has been developed for intra- and intermolecular [4 + 2] and intramolecular [5 + 2] cycloaddition reactions. This is the first use of a transition-metal NHC complex in a Diels-Alder-type reaction. For the
Lee, Sang Ick,Park, Se Yeoun,Park, Ji Hoon,Jung, Il Gu,Choi, Soo Young,Chung, Young Keun,Lee, Bun Yeoul
p. 91 - 96
(2007/10/03)
Efficient synthesis of substituted benzenes from 1,3-dienes or 1,4 cyclohexadienes with KMnO4 under mild conditions
Potassium permanganate absorbed on alumina is used to oxidize 1,4- cyclohexadienes to the corresponding aromatic compounds. Intermolecular Diels-Alder reactions followed by dehydrogenation of the products with potassium permanganate supported on alumina gives an efficient two step synthesis of highly substituted aromatic compounds from acyclic precursors.
McBride, Christopher M.,Chrisman, Will,Harris, Clifford E.,Singaram, Bakthan
p. 45 - 48
(2007/10/03)
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