| Popis: |
(S)-8a-Methyl-3,4,8,8a-Tetrahydro-1,6(2H, 7H)-Naphthalenedione product: (S)-8a-Methyl-3,4,8,8a-Tetrahydro-1,6(2H, 7H)-Naphthalenedione intermediate: 2-methyl-2-(3-oxobutyl)-1,3-cyclohexanedione reactant: 2-Methyl-1,3-cyclohexanedione reactant: Methyl vinyl ketone, bp 34°C/120 mm Keywords: addition, to CC–CO and CC–CN; annulation, carbocyclic-[6]; cyclization, condensation; assay methods, of enantiomeric purity of wieland-miescher ketone by NMR analysis with shift reagent; dimethyl sulfoxide; shift reagents, chiral; methyl vinyl ketone |
