Abstract
AbstractThe synthesis of photochromic optically active copolymers from trans‐4‐(phenylazo)‐1‐naphthyl acrylate (PANA), or trans‐4‐(1‐naphthylazo)‐phenyl acrylate (NAPA), and (−)‐menthyl acrylate (MtA) is described. The copolymers prepared, having different contents of trans‐phenylazonaphthalene moieties, have been characterized by IR, 1H‐NMR, UV, and GPC techniques. The chiroptical properties have been investigated by circular dichroism (CD) and the induced optical activity on the side‐chain trans‐phenylazonaphthalene chromophores discussed in terms of different conformational situations of the macromolecules in both the copolymer series. © 1994 John Wiley & Sons, Inc.
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