Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/21982

TitleUltrasonic mediated synthesis of new benzo[a]phenoxazinium chlorides and their photophysical studies
Author(s)Raju, B. Rama
Sampaio, Diogo
Coutinho, Paulo J. G.
Gonçalves, M. Sameiro T.
KeywordsBenzo[a]phenoxazines
Ultrasonic irradiation
NIR fluorescent probes
Nile blue derivatives
Issue dateNov-2012
Abstract(s)Ultrasonic irradiation was demonstrated to be an efficient technique for activating various organic transformations, allowing short reaction times, high yields and sometimes good selectivity. Three new benzo[a]phenoxazinium chlorides possessing isopentylamino, (2-cyclohexylethyl)amino and phenethylamino groups at 5-position of the heterocyclic systems were efficiently synthesized under ultrasound irradiation. Photophysical characterization in ethanol and water, as well as acid-base equilibrium studies of the probes were carried out.
TypeConference paper
URIhttp://hdl.handle.net/1822/21982
Publisher versionhttp://www.sciforum.net/conf/ecsoc-16
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CDQuim - Comunicações e Proceedings

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