[EN] COMPOUNDS, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS DYES AND PIGMENTS [FR] NOUVEAUX COMPOSES, LEUR PROCEDE DE PREPARATION ET LEUR UTILISATION EN TANT QUE COLORANTS ET PIGMENTS
[EN] COMPOUNDS, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS DYES AND PIGMENTS [FR] NOUVEAUX COMPOSES, LEUR PROCEDE DE PREPARATION ET LEUR UTILISATION EN TANT QUE COLORANTS ET PIGMENTS
[EN] COMPOUNDS, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS DYES AND PIGMENTS<br/>[FR] NOUVEAUX COMPOSES, LEUR PROCEDE DE PREPARATION ET LEUR UTILISATION EN TANT QUE COLORANTS ET PIGMENTS
申请人:CIBA SC HOLDING AG
公开号:WO2004083170A3
公开(公告)日:2005-04-28
Electronic absorption spectra of arylmethylene, ethylidene, and allylidene 3H-furan-2-one derivatives
作者:A. Yu. Egorova、I. E. Kamneva
DOI:10.1134/s1070363207080130
日期:2007.8
The electronic absorption spectra of 3H-furan-2-ones containing substituents with varied length of the conjugation chain in position C-3 of the heteroring are examined. The conclusions are made about the direction of the band shift depending on the structure and size of the conjugation system of the substituents.