Activation Method of Propargylic Carboxylates by Using Metal-Catalyzed

摘要

The present invention relating to a method using a metal catalyst for activating propargylic carboxylate and the use thereof and, more specifically, to an annulene cyclic compound manufactured via reductive cyclization within a molecule by making propargylic carboxylate react with a metal catalyst; and the method using thereof for manufacturing a precursor compound of a tricyclic compound with seven cyclic cycles on the center thereof. The precursor compound of the tricyclic compound with the seven cyclic cycles on the center is used as a precursor compound of 6,7,n-tricyclic natural material or synthetic compound such as barbatusol, pisiferin, faveline, xochitlolone.