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Chem Commun (Camb). 2005 Feb 14;(6):737-9. doi: 10.1039/b417393g. Epub 2005 Jan 17.

A new class of organic donor-acceptor molecules with large third-order optical nonlinearities.

Chemical communications (Cambridge, England)

Tsuyoshi Michinobu, Joshua C May, Jin H Lim, Corinne Boudon, Jean-Paul Gisselbrecht, Paul Seiler, Maurice Gross, Ivan Biaggio, François Diederich

Affiliations

  1. Laboratorium für Organische Chemie, ETH-Hönggerberg, CH-8093 Zürich, Zwitzerland.

PMID: 15685321 DOI: 10.1039/b417393g

Abstract

Donor-acceptor molecules with 4-(dimethylamino)phenyl donor and 1,1,4,4-tetracyanobuta-1,3-diene acceptor moieties are readily prepared by short, high-yielding routes. The quite small chromophores are characterised by X-ray crystallography and feature intense intramolecular charge-transfer bands, substantial quinoid character in the donor rings, reversible electrochemical reductions and oxidations and powerful third-order optical nonlinearities.

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