Synthesis of (+)-goniopypyrone and (+)-goniotriol using Pd-catalyzed carbonylation
摘要:
Syntheses of (+)-goniopypyrone and (+)-goniotriol isolated from Goniothalamus giganteus were achieved. The key steps involve Pd-catalyzed carbonylation for lactone ring formation and diastereoselective reduction of ynone using the (R)-CBS catalyst and borane dimethyl sulfide complex. (C) 2019 Elsevier Ltd. All rights reserved.