Tetrahedron Letters p. 7641 - 7644 (1997)
Update date:2022-08-03
Topics:
Martin, Stephen F.
Bur, Scott K.
Substituted furans 8a-d underwent cyclizations via vinylogous Mannich reactions to give the threo-adducts 9a-d as the major products (1.3 - 20:1); the effects of solvent, Lewis acid and temperature were examined.
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