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ChemInform Abstract: Synthesis of Bis‐spiropyrans Based on 6, 8‐Diformyl‐5, 7‐dihydroxy‐4‐methylcoumarin and Photochromic Properties Thereof. Issue 40 (October 2015)
Record Type:
Journal Article
Title:
ChemInform Abstract: Synthesis of Bis‐spiropyrans Based on 6, 8‐Diformyl‐5, 7‐dihydroxy‐4‐methylcoumarin and Photochromic Properties Thereof. Issue 40 (October 2015)
Main Title:
ChemInform Abstract: Synthesis of Bis‐spiropyrans Based on 6, 8‐Diformyl‐5, 7‐dihydroxy‐4‐methylcoumarin and Photochromic Properties Thereof.
<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>The reaction of coumarin derivative (I) with indolium perchlorates of type (II) or (IV) yields bis‐spiropyrans of type (III) or the corresponding merocyanine forms of type (V).</p> </abstract>