Synthesis and Optical Properties of Novel Aryl-fused Pyran-containing Polycyclic Compounds

doi:10.7517/j.issn.1674-0475.2014.03.282

Imaging Science and Photochemistry ›› 2014, Vol. 32 ›› Issue (3): 282-288.DOI: 10.7517/j.issn.1674-0475.2014.03.282

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Synthesis and Optical Properties of Novel Aryl-fused Pyran-containing Polycyclic Compounds

PENG Jihua, QIU Feng, XUE Minzhao, ZHANG Fan

School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China

Received:2014-01-26 Revised:2014-04-11 Online:2014-05-15 Published:2014-05-15

Abstract

Abstract:

A series of functional small organic molecules based on electron-donating aryl-fused pyran functional motifs have been designed and synthesized by intramolecular carbon- carbon coupling reaction, including naphtho [2,1-b:6,5-b'] bisbenzopyran 4a, naphtho[2,1-b:6,5-b']bisnaphthopyran 4b, naphtho [2,1-b:6,5-b'] bis [2-(5-hexyl thienyl)] benzopyran 4c. Their UV-Vis spectra showed the maxima absorption at 370-400 nm, and their fluorescence spectra exhibited the maxima emission in the range of 417-462 nm. The increasing of conjugated plane or conjugated chain length in these compounds caused remarkable red shifts in both of their absorption and emission spectra, indicative of their rich optical properties.

Key words: small organic molecules, aryl-fused pyran, optical properties

PENG Jihua, QIU Feng, XUE Minzhao, ZHANG Fan. Synthesis and Optical Properties of Novel Aryl-fused Pyran-containing Polycyclic Compounds[J]. Imaging Science and Photochemistry, 2014, 32(3): 282-288.

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Synthesis and Optical Properties of Novel Aryl-fused Pyran-containing Polycyclic Compounds

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