TOTAL SYNTHESIS OF OPTICALLY ACTIVE INTEGERRIMINE, A TWELVE-MEMBERED DILACTONIC PYRROLIZIDINE ALKALOID OF RETRONECINE TYPE. I. ENANTIOSELECTIVE SYNTHESIS OF THE PROTECTED (+)-INTEGERRINECIC ACID

Article abstract of DOI:10.1016/S0040-4039(00)85015-7

For the total synthesis of optically active integerrimine, the twelve-membered dilactonic pyrrolizidine alkaloid, the necic acid component (+)-integerrinenic acid has been enantioselectively synthesized in the protected form.