Resveratrol-based natural products have received considerable attention as synthetic targets due to their versatile bioactivities and unique structures.Herein,we disclose our efforts toward the syntheses of polynapsti...Resveratrol-based natural products have received considerable attention as synthetic targets due to their versatile bioactivities and unique structures.Herein,we disclose our efforts toward the syntheses of polynapstilbenes A and B,which possess[C8-O-C-C-C7]-type dihydrobenzofuran skeleton that is distinctive compared with the other reported resveratrol-derived natural products.Our approach,featuring an acid-catalyzed conjugate addition followed by cyclization of para-quinone methides and phenols,affords two advanced intermediates that represents the dimethyl-protected aglycon of polynapstilbenes A and B.展开更多
基金Peking University Health Science Center(Grant No.BMU20130354)State Key Laboratory of Natural and Biomimetic Drugs,and the National Recruitment Program of Global Youth Experts(1000 Plan)
文摘Resveratrol-based natural products have received considerable attention as synthetic targets due to their versatile bioactivities and unique structures.Herein,we disclose our efforts toward the syntheses of polynapstilbenes A and B,which possess[C8-O-C-C-C7]-type dihydrobenzofuran skeleton that is distinctive compared with the other reported resveratrol-derived natural products.Our approach,featuring an acid-catalyzed conjugate addition followed by cyclization of para-quinone methides and phenols,affords two advanced intermediates that represents the dimethyl-protected aglycon of polynapstilbenes A and B.