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organic compounds
The determination of the crystal structure of the title compound, C24H32O5, allowed indirect elucidation of the absolute configuration of 7-methoxy1-desmethyl-calamenene (calamenene: 1,2,3,4-tetrahydro-4-isopropyl-1,6-dimethylnaphthalene), a natural norsesquiterpene of the calamenene group, which was synthesized by an enantioselective silane-terminated Heck reaction.