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| STUDIES ON MECHANIS OF PHOTOSENSITIZED ISOMERIZATION OF NORBORNADIENE DERIVATIVES | |
| 基金项目： | the authors thank the help of professor Liang Xiao-guang，Zhang Bao-wen and Tung Chen-ho of our Institute |
| 摘 要： | Using acridine dyes as sensitizers,the photoisomerization of threenorbornadiene derivatives was investigated.The valence isomerization of nor-bornadiene derivatives(Ⅰ_a,Ⅰ_b,Ⅰ_c)gave their corresponding isomers of quadri-cyclane(Ⅱ_a,Ⅱ_b,Ⅱ_c)operating with relatively high efficiency in an electrontransfer mode.Their quantum yields of isomerization were determined and thereaction mechanism was discussed. |
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