Functionalized bispyridoneannelated BODIPY – Bright long-wavelength fluorophores
2015
Abstract A simple approach to the modification of BODIPY nucleus has been developed. The method is based on the reaction of monofun≿tionalized acetaldehyde-substituted dye with primary amines or anilines followed by cyclization of enamine intermediates. This procedure allowed preparing a series of new stable intensive long-wavelength BODIPY derivatives ( λ em = 680–720 nm) with two functional substituents useful for various practical purposes, including bioconjugation and other biomedical applications.
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