Tetrahedron Letters p. 3879 - 3882 (1997)
Update date:2022-07-30
Topics:
Arndt, Hans-Dieter
Polborn, Kurt
Koert, Ulrich
The first stereoselective synthesis of a trans-threo-trans-threo-trans terpyrrolidine was achieved. A bidirectional strategy involving double acetylide coupling of two trans-N-BOC-pyrrolidine-aldehydes 3, epimerisation-free hydrogenation and ring closure via a seven-membered cyclic sulfate gives access to the terpyrrolidine scaffold.
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