Tetrahedron Letters p. 6359 - 6362 (1992)
Update date:2022-09-26
Topics:
Fujita, Hirotake
Tokuda, Masao
Nitta, Makoto
Suginome, Hiroshi
Treatment of δ-alkenylamines (1a-1d) with a catalytic amount of butyllithium gave cis-N-methyl-2,5-disubstituted pyrrolidines (2a-2d) stereo selectively in good yields.
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(1991)
