Журнал "Макрогетероциклы"

M. Salomé Rodríguez-Morgade,^a G. Dan Pantos,b Esmeralda Caballero,^a Jonathan L. Sessler,^b,@ and Tomás Torresa,^@

^aDepartamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco,28049 Madrid, Spain

^bDepartment of Chemistry and Biochemistry and Institute for Cellular and Molecular Biology 1 University Station - A5300, University of Texas at Austin, Austin, Texas 78712-0165, USA

^@Corresponding authors E-mail: sessler@mail.utexas.edu, tomas.torres@uam.es 

Macroheterocycles 2008 1(1) 40-43

Described in this report is the synthesis and optical spectroscopic characterization of two new dipyrrolylquinoxaline analogues. These new systems consist of novel hemipyrazinophyrazines that are functionalized on their respective peripheries with four pyrrole rings. The electronic features of these compounds are typical of those expected for hemiporphyrazines, although slight bathochromic shifts are observed for the absorption bands in the violet-blue region of the electromagnetic spectrum.