Chirochromism-photochromism by epimerization: search for a liquid crystal phototrigger

M Zhang, GB Schuster

Index: Zhang, Mingbao; Schuster, Gary B. Journal of the American Chemical Society, 1994 , vol. 116, # 11 p. 4852 - 4857

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Citation Number: 56

Abstract

Abstract: A new class of photochromic reactions was investigated as a possible trigger for phase transitions in liquid crystals. Chirochromic compounds have two chiral units. One unit is fixed, and the other can be switched with light. A series of diastereomeric compour.\ ds based on ketals and acetals of l, l'-bi-2-naphthol was prepared. In some cases, the absorption spectra of the diastereomers are measurably different. The ketals do not ...