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Structure–property relationships in a series of photochromic thiophene-substituted 3H-naphtho [2,1-b]pyrans

✍ Scribed by N. Rebiere; C. Moustrou; M. Meyer; A. Samat; R. Guglielmetti; J.-C. Micheau; J. Aubard

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 113 KB
Volume: 13
Category: Article
ISSN: 0894-3230
DOI: 10.1002/1099-1395(200009)13:9<523::aid-poc289>3.0.co;2-k

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✦ Synopsis

The photochromic parameters of a set of 26 thiophene-substituted [3H]-naphtho[2,1-b]pyrans were studied by flash photolysis. The experimental results obtained along with molecular modelling approaches (molecular mechanics and quantum calculations) allowed us to propose structure-property relationships. From this approach, the main structural modifications able to induce large variations in electronic absorption, fading rates and coloration ability are discussed.

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✍ Michel Frigoli; Corinne Moustrou; André Samat; Robert Guglielmetti 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 German ⚖ 126 KB