Abstract

(R)-Binaphthol-condensed benzofurylfulgide 3 was synthesized and its photochromic properties as well as the change in other properties associated with photochromism were investigated. Like its indole analogue 1, 3 showed diastereoselective photochromism. Change in CD spectra, on/off switching of fluorescence, and reversible change in pitch length of induced cholesteric liquid crystalline phase, were observed.

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