Summary
The second order polarizabilities, βxxx, of six linear oligopyrroles of the arylalkylidene-dipyrrinone type (the synthesis of two of them is reported) were estimated from their solvatochromic shifts. A dimethylaminophenylmethylene and a benzodithioleylidenemethylene derivative (2,6) were found to exhibit rather high βxxx values.
Zusammenfassung
Die Polarisierbarkeiten zweiter Ordnung, βxxx, von sechs linearen Oligopyrrolen des Arylalkyliden-pyrrolinon-Typs (die Synthese zweier solcher Derivate wird mitgeteilt) wurden aus ihrem solvatochromen Verhalten abgeschätzt. Ein Dimethylaminophenylmethylen-und ein Benzodithiolylidenmethylen-Derivat (2,6) zeigen bemerkenswert hohe βxxx-Werte.
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References
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Falk, H., Hemmer, D. On the chemistry of pyrrole pigments, LXXXVIII: Nonlinear optical properties of linear oligopyrroles. Monatsh Chem 123, 779–783 (1992). https://doi.org/10.1007/BF00812327
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DOI: https://doi.org/10.1007/BF00812327