Journal of the American Chemical Society, Vol.118, No.39, 9456-9457, 1996
Formation of Highly Oxygenated (4.4)Spirononenes via Lewis Acid-Catalyzed Isomerization of Adducts to Squarate Esters - Total Synthesis of Dimethyl Gloiosiphone-A
Keywords:RING EXPANSION;ENE REACTION;ROUTE;POLYQUINANES;CONVERSION;4-ALKYNYLCYCLOBUTENONES;CYCLOPENTENONES;REARRANGEMENTS;ELABORATION;PRECURSORS