title: Organocatalytic asymmetric domino knoevenagel/diels-alder reactions: a bioorganic approach to the diastereospecific and enantioselective construction of highly substituted spiro[5,5]undecane-1,5,9-triones.
mesh_terms: D000447:Aldehydes / Q000737:chemistry; D000475:Alkenes / Q000737:chemistry; D000596:Amino Acids / Q000737:chemistry; D002384:Catalysis; D018360:Crystallography, X-Ray; D004146:Dioxanes / Q000737:chemistry; D008956:Models, Chemical; D008958:Models, Molecular; D015394:Molecular Structure; D013141:Spiro Compounds / Q000138:chemical synthesis*; D013237:Stereoisomerism
chemical_list: D000447:Aldehydes; D000475:Alkenes; D000596:Amino Acids; D004146:Dioxanes; D013141:Spiro Compounds; C076489:Meldrum's acid