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Abhineeshbabu Thottiparambil Indu Purushothaman Susmita De Pattiyil Parameswaran P. Shifana Beegum P.K. Sudhadevi Antharjanam Lakshmi Chakkumkumarath 《Tetrahedron》2018,74(24):2999-3006
Differential reactivity of 3H-indole styrylcyanines leading to oxazabicyclo[3,3,1]nonanes or N-alkenyl spiropyrans is reported. Quantum mechanical calculations show that the isomerization of styrylcyanine to NH-spiropyran dictates the differential reactivity and the initial step for both reactions is a six-membered ring formation via six - electron pericyclic reactions. 相似文献
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