130322-31-5Relevant academic research and scientific papers
Stereoselective synthesis of flavonoids. Part 7. Poly-oxygenated β- hydroxydihydrochalcone derivatives
Nel, Reinier J. J.,Van Rensburg, Hendrik,Van Heerden, Pieter S.,Coetzee, Johan,Ferreira, Daneel
, p. 9727 - 9736 (2007/10/03)
Epoxidation of a series of poly-oxygenated chalcones with urea-hydrogen peroxide complex in THF in the presence of DBU and poly-(L)- or -(D)-leucine, followed by TBTH/AIBN catalysed ring opening, afforded [β- hydroxydihydrochalcones in moderate to high en
Stereoselective synthesis of flavonoids. Part 4. Trans- and cis-dihydroflavonols
Van Rensburg, Hendrik,Van Heerden, Pieter S.,Bezuidenhoudt, Barend C.B.,Ferreira, Daneel
, p. 14141 - 14152 (2007/10/03)
Epoxidation of a series of poly-oxygenated chalcones with H2O2 in the presence of poly-α-aminoacids yielded chiral aromatic oxygenated oxiranes in moderate to high optical yields. Lewis acid-catalysed phenylmethanethiol ringopening o
The first enantioselective synthesis of trans- and cis-dihydroflavonols
Van Rensburg, Hendrik,Van Heerden, Pieter S.,Bezuidenhoudt, Barend C. B.,Ferreira, Daneel
, p. 2747 - 2748 (2007/10/03)
Epoxidation of a series of polyoxygenated chalcones with H2O2 in the presence of poly(α-amino acid) catalysts, followed by Lewis acid-catalysed phenylmethanethiol ring-opening and cyclization, afforded trans- and cis-dihydroflavonols
