Journal of the American Chemical Society, Vol.116, No.18, 8420-8421, 1994
Piperidines via Ammonium Ylide (1,2)-Shifts - A Concise, Enantioselective Route to (-)-Epilupinine from Proline Ester
Keywords:ACYLIMINIUM ION CYCLIZATIONS;QUINOLIZIDINE RING-SYSTEMS;DIELS-ALDER REACTION;STEVENS (1;2)-SHIFT;INDOLIZIDINE;(+/-)-EPILUPININE;ALKALOIDS;LUPININE;(+/-)-LUPININE;EPILUPININE