the NRF Investigatorship Award(A-0004067-00-02);the Ministry of Education(MOE)of Singapore(A-0008481-00-00)for generous financial support.
Asymmetric dearomatization reactions of various electron-deficient heteroarenes,including benzofurans,benzothiophenes,and indoles,have been described.Through a phosphine-catalyzed[3+2]annulation with vinylcyclopropane...