Chemical and Pharmaceutical Bulletin p. 138 - 146 (1994)
Update date:2022-09-26
Topics:
Heymann
Tezuka
Kikuchi
Supriyatna
Investigation of the neutral fraction of the dried pods of Sindora sumatrana MIQ. has resulted in the isolation of three new sesquiterpenoids (2, 6 and 8) together with nine known ones (1, 3, 4, 5, 7, 9, 10, 11a and 12a), of which three (7, 10 and 12a) are reported for the first time from a natural source. One other compound, 4-stigmasten-3-one (13) (together with a sterol mixture; β-sitosterol, stigmasterol and campesterol) was also obtained. The structures of all the isolated sesquiterpenes were determined by means of spectroscopic methods, mainly two-dimensional NMR techniques, and the compounds were found to have the caryophyllane, humulane, clovane and caryolane skeletons. The NMR data of the isolated sesquiterpenes are also discussed.
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Doi:10.1246/bcsj.54.2223
(1981)Doi:10.1021/ma401010t
(2013)Doi:10.1246/cl.1981.1305
(1981)Doi:10.1021/jm00182a009
(1980)Doi:10.1021/ja00414a047
(1981)Doi:10.1246/cl.1981.839
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