Popis: |
3-Trimethylsilyl-3-buten-2-one as michael acceptor for conjugate addition-annelation: cis-4,4a,5,6,7,8-hexahydro-4a,5-dimethyl-2(3H)-naphthalenone product: cis-4,4a,5,6,7,8-HEXAHYDRO-4a,5-DIMETHYL-2(3H)-NAPHTHALENONE Keywords: addition, to CC–CO and CC–CN; annulation, carbocyclic-[6]; cyclization, condensation; assay methods, for methyllithium with 2-butanol, 1,10-phenanthroline or 2,2′-bipydridyl or 2,2′-biquinoline indicator; buffer solutions, ammonium chloride-ammonium hydroxide; copper(I) iodide; distillation, apparatus, Kugelrohr distillation oven |