Tetrahedron Letters p. 6085 - 6088 (1985)
Update date:2022-08-05
Topics:
Tokuda, Masao
Yamada, Yasufumi
Takagi, Toshiya
Suginome, Hiroshi
Furusaki, Akio
Neutral aminyl radicals generated by anodic oxidation of lithium alkenylamides 2 undergo a stereoselective cyclization to give cis-1-methyl-2,5-disubstituted pyrrolidines 4.Their cis stereochemistry was confirmed by a comparison with trans-1,2-dimethyl-5-phenylpyrrolidine, the structure of which was established by X-ray crystallographic analysis of its quarternary ammonium bromide 6.
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