Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (2): 106-108.

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Synthesis and Properties of Indolinospirobenzopyrans Bearing Crown Moiety

Wu Xinyan, Wu Chengtai   

  1. Department of Chemistry, Wuhan University, Wuhan 430072
  • Received:1997-06-05 Revised:1997-12-08 Published:1998-04-10 Online:1998-04-10

Abstract: Two indolinospirobenzopyrans bearing monoaza benzo-15-C-5 at the 1' position were prepared, and their structures were determined by IR,  1H NMR and MS measurements. Their photochromic and cation induced photochromic properties have been investigated.

Key words: azacrown ether, spiropyran, synthesis, photochromism