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Synthesis and Spectroscopic and NLO Properties of “Push-Pull” Structures Incorporating the Inductive Electron-Withdrawing Pentafluorophenyl Group

2002; Wiley; Volume: 2002; Issue: 8 Linguagem: Inglês

10.1002/1099-0690(200204)2002

1434-193X

Antonio Papagni, Stefano Maiorana, Paola Del Buttero, Dario Perdicchia, F. Cariati, Elena Cariati, W. Marcolli,

Chemical synthesis and pharmacological studies

A series of “push-pull” molecules, each incorporating a pentafluorophenyl ring as an inductive accepting group, has been synthesised. The NLO properties of these compounds were measured in solution by EFISH (operating at 1907 nm) and in the solid state by the Kurtz powder technique (at 1907 nm). Values of μβ, the product of the molecule dipole moment and its first-order hyperpolarizability, of up to 200 × 10−48 esu were obtained. (© Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002)