Tetrahedron Letters p. 3379 - 3382 (1996)
Update date:2022-08-11
Topics:
Carretero, Juan Carlos
Arrayas, Ramon Gomez
De Gracia, Isabel Storch
cis and trans 2,3-disubstituted pyrrolidines and piperidines have been prepared stereoselectively by intramolecular conjugate addition of N-substituted γ-oxygenated-α,β-unsaturated phenyl sulfones. The best cis-selectivities were obtained from the alcohols and the best trans-selectivities from the OTIPS derivatives.
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(1980)
