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Synthesis of 1-ethyl-2-methyl-3-arylindanes. Stereochemistry of five-membered ring formation
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2003
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Medicinal ChemistryHeterocyclicNatural SciencesFive-membered Ring FormationNatural DimerOrganic ChemistryAcid-catalysed CyclodimerisationSeveral AnaloguesStereoselective SynthesisChemistryHeterocycle ChemistryPharmacologyChemical DerivativeSynthetic ChemistryEnantioselective Synthesis
A natural dimer of asarone and several analogues were obtained by acid-catalysed cyclodimerisation of styrenes and by formal [3+2] cycloaddition.A study of the influence of the aromatic ring substitution pattern on the stereochemistry of the reactions was carried out.