TOTAL SYNTHESIS OF OPTICALLY ACTIVE INTEGERRIMINE, A TWELVE-MEMBERED DILACTONIC PYRROLIZIDINE ALKALOID OF RETRONECINE TYPE. II. ENANTIOSELECTIVE SYNTHESIS OF (+)-RETRONECINE

Article abstract of DOI:10.1016/S0040-4039(00)85016-9

For the total synthesis of optically active integerrimine, the twelve-membered dilactonic pyrrolizidine alkaloid, the necine base component (+)-retronecine has been synthesized enantioselectively.