Lyonia

On the other hand, biosynthetic pathways that do not involve the conversion from coniferyl alcohol to matairesinol have been proposed for lignans composed of two syringyl (3,5-dimethoxy-4-hydroxyphenyl) groups (+)-syringaresinol formation in Liriodendron tulipifera [50] and (H-)-lyoniresinol biosynthesis in Lyonia ovalifolia var. elliptica [51]. Enantioselective coupling of two sinapyl alcohol units was proposed for the selective formation of (H-)-syringaresinol [50], On the other hand, a non-enantioselective dimerization of sinapyl alcohol was proposed for (+)-lyoniresinol biosynthesis and the enantioselectivity in the biosynthesis was ascribed... [Pg.185]

Hollis and associates (TD investigated the allelopathic effect of nine of the most abundant herbaceous and shrubby understory associates in Lower Coastal Plain flatwoods pine stands on germination, radicle extension, and shoot growth of slash and loblolly pine. They identified lyonia (Lyonia lucida) as a strong inhibitor of both pine species. Subsequent field studies confirmed that lyonia reduced the growth of planted slash pine. Few studies have followed lab or greenhouse results with corroboration from field studies. Fewer yet have adequately traced the path of allelochemicals in the environment. [Pg.180]

Lyonia ovalifolia (Wall.) Drade. Nan Zhu (leaf, fruit) Andromedotoxin, lyoniols.60 This herb is highly toxic. A tonic. [Pg.106]

Kadsura japonica (L.) Dunal Lyonia ovalifolia (Wall.) Drude. [Pg.359]

Chimaphila umbellata, Lyonia ovalifolia, Rhododendron sinensis... [Pg.388]

Clivia miniata, Hippeastrum hybridum, Lycoris radiata, L. longituba, L. aura, Narcissus tazetta, Zephyranthes Candida Lyonia ovalifolia... [Pg.450]

The natural occurrence of cycloartane triterpenoids has been reviewed.25 Acid hydrolysis of lyofolic acid, a glucoside from the leaves of Lyonia ovalifolia, afforded lyofoligenic acid (19) whose structure was established by X-ray analysis of the 3a-O-p-bromobenzoate methyl ester.26 The constitution of the genuine aglycone, protolyofoligenic acid (20), was confirmed by interrelation with cycloartenol.27... [Pg.121]

A biosynthetic scheme for lyoniresinol, a syringyl lignan from Lyonia ovalifolia var. elliptica, has been proposed after feeding experiments with radioactively labelled precursors. Two moieties of sinapyl alcohol were... [Pg.222]

Rahman, M. A., Katayama, T., Suzuki, T., Yoshihara, Y. and Nakagawa, T. (2007) Stereochemistry and biosynthesis of (-1-)—lyoniresinol, a syringyl tetrahydronaphthalene lignan in Lyonia ovalifolia var. elliptica It feeding experiments with C labeled precursors. /. INood Set, 53,114—20. [Pg.249]

Lyonia ovalifolia Anyar Ericaceae Tree Buds Itching... [Pg.212]

Lyonia ovalifolia Drude var elliptica Hand.-Mazz. [Pg.107]

Taxonomy Cycloartane Glycosides Lyonia ovalifolia (Drude) var. elliptica (Hand-Mazz) Ericaceae) [1,2]. [Pg.320]

Toxic agent from Rhododendron, Kalmin, Leucothoe and Lyonia spp. Cryst. (EtOAc/pentane). Mp 267-270°. [a] -8.8° (c, 2.3 in EtOH). [Pg.206]

Corn Eric Eric Lyonia ovatifolia var. elliptica EriLyoova... [Pg.446]

Kato Y, Kato N, Baba M 1984 Phenolic constituents of Lyonia ovalifolia. Pharmazie 39 425-426... [Pg.1140]

Kato Y, Yasue M 1984 Studies on the constituents of Lyonia ovalifolia Drude van elliptica Hand.-Mazz. XXL The difference of flavonoid glycosides between individuals. Shoyakugaku Zasshi 37 412-417... [Pg.1140]

Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...