Structure-property relationships in a series of photochromic thiophene-substituted 3H-naphtho [2,1-b]pyrans
                                
                                    
                                        作者:N. Rebiere、C. Moustrou、M. Meyer、A. Samat、R. Guglielmetti、J.-C. Micheau、J. Aubard                                    
                                    
                                        DOI:10.1002/1099-1395(200009)13:9<523::aid-poc289>3.0.co;2-k
                                    
                                    
                                        日期:2000.9
                                    
                                    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. Copyright (C) 2000 John Wiley & Sons, Ltd.