Phytochemistry p. 2065 - 2068 (1982)
Update date:2022-08-04
Topics:
Dantanarayana, Anura P.
Kumar, N. Savitr
Muthukuda, P. Mangala
Wazeer, Mohamed I. M.
A new lupane derivative isolated from Pleurostylia opposita has been assigned the structure 6β-hydroxy-lup-20(29)-en-3-one, using spectral evidence and chemical interconversions.The 13C NMR spectral assignments of 20-hydroxy-lupan-3-one, 6β,20-dihydroxy-lupan-3-one, 6β,28-dihydroxy-lup-20(29)-en-3-one and 20-hydroxy-lupane-3,6-dione previously isolated from the same plant are also reported.Key Word Index - Pleurostylis opposita; Celastraceae; triterpenes; new lupane derivatives; 13C NMR chemical shifts.
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