89116-26-7Relevant academic research and scientific papers
SESQUITERPENE LACTONES. A TOTAL SYNTHESIS OF (+/-) QUADRONE
Dewanckele, J. M.,Zutterman, F.,Vandewalle, M.
, p. 3235 - 3244 (1983)
Two routes towards (+/-) quadrone (1), via an intramolecular Diels-Alder reaction have been studied.The cycloaddition of 5 failed, probably because of prohibitive strain.In the alternative approach, the key step afforded a mixture of endo- and exo-adducts
