Huang, Chong Asymmetric total synthesis of ent-heliespirones A & C. [electronic resource] - Chemical communications (Cambridge, England) Aug 2010 - 5280-2 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1364-548X Standard No.: 10.1039/c0cc00481b doi Subjects--Topical Terms: Benzoquinones--chemical synthesisCatalysisMolecular StructurePalladium--chemistrySesquiterpenes--chemical synthesisSpiro Compounds--chemistryStereoisomerism