Abstract
From the roots ofRandia siamensis (Rubiaceae), 3β, 30-dihydroxy-urs-12-en-Z8-oic acid (30-hydroxy ursolic acid) was isolated and characterized by spectral data.
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Lapikanon, P., Tovivich, P., Woo, W.S. and Choi, J.S.: Phytochemical study onRandia siamensis.Arch. Pharm. Res. 6, 29 (1983).
Budzikiewicz, H., Wilson, J. M. and Djerassi, C.: Mass spectrometry in structural and stereochemical problems. XXXII. Pentacyclic triterpenes.J. Am. Chem. Soc. 85, 3688 (1963).
Cheung, H.T. and Yan, T.C., Constituents of Dipterocarpaceae resins. IV. Triterpenes ofShorea acuminata andS. resina-nigra.Aust. J. Chem. 25, 2003 (1972).
Seo, S., Tomita, Y. and Tori, K.: Carbon-13 NMR spectra of urs-12-enes and application to structural assignments of components ofIsodon japonicus tissue cultures.Tetrahedron Lett. 1975, 7.
Seo, S., Tomita, Y. and Tori, K.: Biosynthesis of ursene-type triterpenes from sodium [1,2-13C] acetate in tissue cultures ofIsodon japonicus Hara and re-assignments of13C nmr signals in urs-12-enes.JCS (Chem. Comm.)1975, 954.
Tori, K., Seo, S., Shimaoka, A. and Tomita, Y.: Carbon-13 NMR spectra of olean-12-enes. Full signal assignments including quaternary carbon signals assigned by use of indirect13C,1H spin couplings.Tetrahedron Lett. 1974, 4277.
Patt, S.L., and Shoolery, J.N.: Attached proton test for carbon-13 NMR.J. Mag. Res. 46, 535 (1982).
Talapatra, S.K., Sarkar, A.C. and Talapatra, B.: Two pentacylic triterpenes fromRubia cordifolia.Phytochemistry 20, 1923 (1981).
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Woo, W.S., Choi, J.S. & Tovivich, P. A sapogenin ofRandia siamensis . Arch. Pharm. Res. 7, 57–60 (1984). https://doi.org/10.1007/BF02856923
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DOI: https://doi.org/10.1007/BF02856923