Synthesis of Spiro Dihydrofurans and 1,8-Dioxo-xanthenes via DABCO Catalyzed Tandem Reaction of Aldehyde with Cyclohexane-1,3-dione and Dimedone

CHEN Jiao, SHI Jian and YAN Chao-guo*

Chemical Research in Chinese Universities . 2011, (1): 49 -53 .