作者:Takashi Sakai、Kohji Iwata、Masanori Utaka、Akira Takeda
DOI:10.1246/bcsj.60.1161
日期:1987.3
(±)-Oudenone, 2-(tetrahydro-5-propyl-2-furylidene)-1,3-cyclopentanedione, was conveniently synthesized by BF3-catalyzed acylation of 1,3-cyclopentanedione with 4-chloroheptanoic anhydride and subsequent cyclization with triethylamine in a 36% overall yield.
(±)-Oudenone, 2-(tetrahydro-5-propyl-2-furylidene)-1,3-cyclopentanedione,通过 BF3 催化 1,3-环戊二酮与 4-氯庚酸酐的酰化和随后与三乙胺的环化反应方便地合成总产率为 36%。