Novel compounds of the general formula
are introduced, containing 5-arylidene-3,5-dihydro-4h-imidazol-4-one core. These compounds can be used for fluorescent staining of cell membranes, biomolecules' labeling in vivo and in vitro, a number of compounds also have photoacidic properties. This allows to use them, for example, as instruments to drastically change pH of a medium, and also as dynamic fluorescent probes for investigation of complex objects like proteins and micellae, as well as in studies of hydration dynamics and in photolithography.
Efficient Synthesis of New 4-Arylideneimidazolin-5-ones Related to the GFP Chromophore by 2+3 Cyclocondensation of Arylideneimines with Imidate Ylides
作者:Janusz Kowalik、Anthony Baldridge、Laren Tolbert
DOI:10.1055/s-0029-1218796
日期:2010.7
A 2+3 condensation of a wide assortment of Schiff bases, prepared from aromatic aldehydes and primary amines, with methyl 2-(1-ethoxyethylideneamino)acetate allows convenient access to an extensive family of substituted 4-arylideneimidazolin-5-one analogues of the green fluorescent protein (GFP) chromophore. 4-arylideneimidazolin-5-one - azomethine ylide - Schiff bases - heterocycle - 2+3 cycloaddition