• Medientyp: E-Artikel
  • Titel: Efficient catalyst for tandem solvent free enantioselective Knoevenagel-formal [3+3] cycloaddition and Knoevenagel-hetero-Diels–Alder reactions
  • Beteiligte: Fernandes, Sylvia; Rajakannu, P.; Bhat, Sujata V.
  • Erschienen: Royal Society of Chemistry (RSC), 2015
  • Erschienen in: RSC Advances
  • Sprache: Englisch
  • DOI: 10.1039/c5ra09865c
  • ISSN: 2046-2069
  • Entstehung:
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  • Beschreibung: <p>Tandem Knoevenagel-cycloaddition reactions forming bicyclic tetrahydro-2<italic>H</italic>-chromen-5(6<italic>H</italic>)-ones and tricyclic octahydro-2<italic>H</italic>-benzo[<italic>c</italic>]-chromen-1(6<italic>H</italic>)-ones are achieved with up to 98.8% ee in the presence of chiral LBA and titanium-isopropoxy-(<italic>S</italic>)-BINOLate.</p>