200571-97-7Relevant academic research and scientific papers
An intramolecular Diels-Alder approach to the spirotetronic acid subunits of the quartromicins
Roush, William R.,Barda, David A.
, p. 8781 - 8784 (2007/10/03)
Three of the four diastereomeric spirotetronates (2, 19 and 24) corresponding to the quartromicins were synthesized by a sequence featuring the intramolecular Diels-Alder reaction of 3. An olefin isomerization pathway accounts for fonmation of the second most abundant cycloadduct, 16.
