INTRAMOLECULAR ENERGY TRANSFER BETWEEN INDOLE AND 9,10-DIMETHOXYANTHARCENE SEPARATED BY RIGID SPACERS

doi:10.7517/j.issn.1674-0475.1993.01.20

Imaging Science and Photochemistry ›› 1993, Vol. 11 ›› Issue (1): 20-27.DOI: 10.7517/j.issn.1674-0475.1993.01.20

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INTRAMOLECULAR ENERGY TRANSFER BETWEEN INDOLE AND 9,10-DIMETHOXYANTHARCENE SEPARATED BY RIGID SPACERS

ZHOU SHENG-ZE, ZHOU QING-FU, XU HUI-JUN

Institute of Photographic Chemistry, Beijing 100101, P. R. China

Received:1991-11-20 Revised:1992-07-01 Online:1993-02-20 Published:1993-02-20

Abstract

Abstract: Two energy donor-acceptor systems have been synthesized by linking indole and 9,10-dime-thoxyanthracene with methylene and β-estradiol spacers. Intramolecular energy transfer between indole and 9, 10-dimethoxyanthracene and its relation to distance and solvent polarity have been studied. Efficient singlet energy transfer can take place in two systems. When energy donor and acceptor are separated by long rigid β-estradiol the mechanism of energy transfer is dopole-dipole interaction. The distance between donor and acceptor calculated by Forster theory agrees with that obtained from Corey-Pauling-Koltun (CPK) model of molecule and the effect of solvent polarity on energy transfer has also been investigated.

Key words: intramolecular energy, rigid spacer, indole, 9,10-dimethoxyantharcene

ZHOU SHENG-ZE, ZHOU QING-FU, XU HUI-JUN. INTRAMOLECULAR ENERGY TRANSFER BETWEEN INDOLE AND 9,10-DIMETHOXYANTHARCENE SEPARATED BY RIGID SPACERS[J]. Imaging Science and Photochemistry, 1993, 11(1): 20-27.

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INTRAMOLECULAR ENERGY TRANSFER BETWEEN INDOLE AND 9,10-DIMETHOXYANTHARCENE SEPARATED BY RIGID SPACERS

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