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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 4
BKCSDE 28(4)
April 20, 2007 

Single Electron Transfer Induced Photoaddition Reactions of Silyl Enol Ether to N-Methylphthalimide
Sun Wha Oh, Jin Young Kim, Dae Won Cho, Jung Hei Choi, Ung Chan Yoon*
N-Methylphthalimide, Silyl enol ethers, Single electron transfer, Oxetane, Photocycloaddition
Photochemical reactions of N-methylphthalimide with silyl enol ethers have been explored. Irradiations of phthalimide (1) and cyclic silyl enol ethers (5a-b) are observed to promote formation of photoreduced phthalimides and photoaddition products by sequential SET-desilylation pathways. The photoreaction of phthalimide (1) and acyclic silyl enol ethers (5c-d) leads to produce oxetanes which arise by competitive single electron transfer (SET) and classical 2+2 photocycloaddition (Parteno-Buchi reaction) pathways.
629 - 634
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