92632-95-6Relevant articles and documents
A Mixed-Ligand Chiral Rhodium(II) Catalyst Enables the Enantioselective Total Synthesis of Piperarborenine B
Panish, Robert A.,Chintala, Srinivasa R.,Fox, Joseph M.
, p. 4983 - 4987 (2016/04/26)
A novel, mixed-ligand chiral rhodium(II) catalyst, Rh2(S-NTTL)3(dCPA), has enabled the first enantioselective total synthesis of the natural product piperarborenine B. A crystal structure of Rh2(S-NTTL)3(dCPA) r
ISOLATION OF HYPOXOSIDE FROM HYPOXIS ROOPERI AND SYNTHESIS OF (E)-1,5-BIS(3',4'-DIMETHOXYPHENYL)PENT-4-EN-1-YNE
Drewes, Siegfried E.,Hall, Alida J.,Learmonth, Robin A.,Upfold, Ursula J.
, p. 1313 - 1316 (2007/10/02)
Isolation of the known diglucoside of (E)-1,5-bis(3',4'-dihydroxyphenyl)pent-4-en-1-yne (hypoxoside) from Hypoxis rooperi is described.In vivo tests indicate low toxic properties.A general synthesis for the introduction of the pentenyne link between two aromatic rings is described.Key words: Hypoxis rooperi; Hypoxidaceae; corms; hypoxoside; 1,5-diphenylpent-4-en-1-yne; rooperol; synthesis.