University of Massachusetts Medical School
Recent studies into oxazine derivative dyes have shown promising shifts in excitation and emission properties. For this MQP, the synthesis and spectral properties of two oxazine derivatives: 4-Ethyl-3,8,9,10-tetrahydro-2H-1,6,11-trioxa-8,13-diaza-4-azonia-pentacene; chloride (7) and 8-(3-Ethoxycarbonyl-propyl)-4-ethyl-3,8,9,10-tetrahydro-2H-1,6,11-trioxa-8,13-diaza-4-azonia-pentacene; chloride (8, 9) were studied. The electronic excitation and emission properties of compound 9 were examined in incremental pH solutions ranging from 1 to 11. In methanol maximum excitation of compound 9 was observed at 648.0 nm while maximum emission occurred at 674.26 nm. Consistency in the excitation and emission spectra show that compound 9 has strong pH stability.
Worcester Polytechnic Institute
Major Qualifying Project
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Chemistry and Biochemistry