Electron-Transfer-Initiated Iminium Salt Photospirocyclization Methodologies. Model Studies for Harringtonine Alkaloid Synthesis
Conjugated iminium salts, derived by O-alkylation or O-acylation of N-allyl β-enaminones, undergo electron-transfer-initiated photocyclization reactions leading to the production of spirocyclic amines.The yields of these processes are exceptionally high w
Tiner-Harding, Tammy,Ullrich, John W.,Chiu, Fang-Ting,Chen, Shyh-fong,Mariano, Patric S.
Electron-Transfer-Initiated Photospirocyclization Reactions of β-Enaminone-Derived Allyliminium Salts
Model studies have been conducted to test several features of spirocyclization methodologies based upon excited-state reactions of allyliminium salts.Results from investigations of the photocyclization reactions of the β-enaminone-derived prenyliminium pe
Ullrich, John W.,Chiu, Fang-Ting,Tiner-Harding, Tammy,Mariano, Patrick S.
p. 220 - 228
(2007/10/02)
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