532423-91-9Relevant articles and documents
Synthesis of bioactive sesquiterpene heliannuol E involving a ring-expansion reaction of spirodienones
Doi, Fuminao,Ogamino, Takahisa,Sugai, Takeshi,Nishiyama, Shigeru
, p. 411 - 413 (2007/10/03)
A heliannane-type sesquiterpene, heliannuol E (1), has been successfully synthesized. The key step was conversion of the electrochemically produced spiro compounds (8, and 18) into the corresponding dihydrobenzopyrans (11, 12, 19, and 20) by a selective r