Buechert, Marina; Steenbock, Torben; Lukaschek, Christian; Wolff, Marie C.; Herrmann, Carmen; Heck, Juergen published the artcile< 2,2'-Bipyridine-Based Dendritic Structured Compounds for Second Harmonic Generation>, Quality Control of 112-63-0, the main research area is dendritic bipyridine second harmonic generation; amino compounds; bipyridine ligand; dendrimers; hyper-Rayleigh scattering; nonlinear optics.
Parallel alignment of dipolar electron-donor-π-bridge-electron-acceptor entities can strongly enhance their nonlinear optical properties. This favorable arrangement can be in principle achieved by linking these units covalently or through metal coordination. Four dipolar single-strand chromophores decorated with a 5-electron-donor-5′-electron-acceptor-modified 2,2′-bipyridine functionality were synthesized. For two of these chromophores triple-stranded dendritic structures were successfully formed. All of the compounds were characterized with respect to their linear and nonlinear optical properties. For the aldehyde derivatives an enhancement of the first hyperpolarizability of 4.5 rather than 3 was obtained when going from single to triple strands. Theor. calculations with d. functional theory suggest that interstrand transitions contribute to the optical properties of the dendritic structures.
Chemistry – A European Journal published new progress about Crystal structure. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Quality Control of 112-63-0.
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