Intramolecular Amidoselenation of N-Alkenyl Imidates to N-Heterocycles
The reactions of N-alkenyl imidates with benzeneselenenyl chloride and bromide in chloroform at ambient temperature afford pyrrolidine and piperidine derivatives having a phenylseleno moiety in good to excellent yields under neutral conditions.The key step of this new reaction consists of an intramolecular carbon-nitrogen bond formation and a simultaneous carbon-oxygen bond fission.
Terao, Keiji,Toshimitsu, Akio,Uemura, Sakae
p. 1837 - 1844
(2007/10/02)
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