9 resultados
Three new quassinoid glucosides, bruceosides D [1], E [2], and F [3], were isolated from Brucea javanica, and their structures were elucidated by spectral evidence and chemical transformation to known compounds. Compounds 1-3 show selective cytotoxicity in the leukemia and non-small cell lung,
Bruceoside C [5], a new quassinoid glucoside, and related compounds were isolated from Brucea javanica, and their structures were elucidated by spectral data. Bruceoside C showed potent cytotoxicities against KB, A-549, RPMI, and TE-671 tumor cells.
Quassinoid glucosides, javanicosides I, J, K and L, were isolated from the seeds of Brucea amarissima (Lour.) Desv. ex B. A. Gomes (Simaroubaceae), along with two known quassinoids, i.e. bruceins D and E, and seven known quassinoid glucosides, yadanziosides B, C, E, I and K, bruceoside B and
A new triterpenoid, bruceajavanin C (1), together with bruceosides A and B (2 and 3), bruceines D and E (4 and 5), yadanziosides A and G (6 and 7), (20R)-O-(3)-alpha-L-arabinopyranosylpregn-5-ene-3beta,20-diol (8), and alpha-D-glucopyranoside, (3beta, 20R)-3-hydroxypregn-5-en-20-yl (9) were isolated
A new quassinoid, yadanziolide S (1), was isolated from the seeds of the traditional Chinese medicinal herb, Brucea javanica, along with ten known compounds, flazin, bruceine D, yadanziolide B, bruceoside A, yadanziolide S, yadanzigan, glycerol 1,3-bisoleate, azelaic acid,
During our screening of pharmacologically active principles from Indonesian medicinal plants by a hypothermic effect the methanol-extract of Brucea javanica (L.) Merr. has been found to exhibit a lethal toxicity to mice. The toxic components were isolated and identified with bruceoside A and B and
Two new quassinoids, javanicolides C and D, and five new quassinoid glucosides, javanicosides B-F, were isolated from the seeds of Brucea javanica, along with eight known quassinoids, i.e., yadanziolides A, C, D, and S, bruceins D and E, brusatol, and the aglycone of yadanzioside D, and 19 known
A novel lignan, guaiacylglycerol-beta-O-6'-(2-methoxy)cinnamyl alcohol either, three known simaroubolides, brusatol, dehydrobrusatol, yadanziolide C, and the known terpenoid, blumenol A, were obtained as active compounds from an ethyl acetate-soluble extract of Brucea javanica, using a bioassay
Two new quassinoids, javanicolide E (1) and javanicolide F (2), along with fifteen known C-20 quassinoids were isolated from the seeds of Brucea javanica (L.) Merr. The antitobacco mosaic virus (TMV) activity of these quassinoids was screened by the conventional half-leaf and leaf-disk method along