Chemical and Pharmaceutical Bulletin p. 941 - 946 (1994)
Update date:2022-08-11
Topics:
Heymann
Tezuka
Kikuchi
Supriyatna
Further investigation of the neutral fraction of the methanolic extract of Sindora sumatrana MIQ. (Leguminosae) has yielded five new sesquiterpenoids: a new trans-isodaucane diol (1), two caryophyllane-type epoxydiols (2, 3), the diacetate of a caryophyllane-type trialcohol (4) and a caryolane-type hydroxy-ketone (5) which possesses an α-C-12 methano bridge. The structure elucidation of the compounds was based mainly on two-dimensional NMR techniques. The biosynthetic significance of the acid-catalyzed rearrangement of 5 to give a clovane-type hydroxyketone (10) is also discussed.
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Doi:10.1039/C1968000403b
(1968)Doi:10.1016/S0040-4039(98)00149-X
(1998)Doi:10.1021/ja309275q
(2012)Doi:10.1080/14786419.2015.1054283
(2016)Doi:10.1039/c6ob01495j
(2016)Doi:10.1021/acs.chemmater.6b03467
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