Asymmetric Synthesis of Substituted Tropinones Using the Intramolecular Mannich Cyclization Reaction and Acyclic <i>N</i>-Sulfinyl β-Amino Ketone Ketals
作者:Franklin A. Davis、Naresh Theddu、Paul M. Gaspari
DOI:10.1021/ol9002948
日期:2009.4.2
Sulfinimine-derived, enantiopure N-sulfinyl β-amino ketone ketals on hydrolysis give dehydropyrrolidine ketones that on treatment with (Boc)2O/DMAP afford substituted tropinones in good yield.