Remarkable catalysis of intersystem crossing of singlet (pentafluorophenyl) nitrene

R Poe, J Grayzar, MJT Young, E Leyva…

文献索引：Poe, Russell; Grayzar, Jennifer; Young, M. Jennifer T.; Leyva, Elisa; Schnapp, Karlyn A.; Platz, Matthew S. Journal of the American Chemical Society, 1991 , vol. 113, # 8 p. 3209 - 3211

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被引用次数: 56

摘要

6 that 'PN is 4.3 kcal/mol higher in energy than 3PN. 7 The energy gap in PC is not known but must be very small as the two states rapidly interconvert. s Although'PC is readily intercepted by external trapping reagent^,^'PN is not, s apparently due to the ease of ring expansion of the latter species to form a ketenimine (KET), in solution at ambient temperat~ re.~ fp-0