Allergenic Component of a Liverwort: A Sesquiterpene Lactone
- H. Knoche, G. Ourisson, G. W. Perold, J. Foussereau, J. Maleville
- Chemistry, Medicine
- 10 October 1969
Frullania spp. (Hepaticae, Jungermanniales) are agents of allergies. Extraction and fractionation of Frullania tamarisci has given, as the only allergenic component isolated, a levorotatory… Expand
Conocarpin, a leucodrin-type metabolite of Leucospermum conocarpodendron(L.) buek
Conocarpin, C15H16O8, obtained from leaves of Leucospermum conocarpodendron(L.) Buek., is shown to be a diastereoisomer of leucodrin. Its greater chemical lability is demonstrated.
[Photolysis of dihydro-1,2-(6 beta, ll alpha and ll beta)-santonins. A stereospecific intramolecular photosensitization].
Metabolites of proteaceae. 8. The occurrence of (+)-D-allose in nature: rubropilosin and pilorubrosin from Protea rubropilosa Beard.
Metabolites of Proteaceae. VII. Lacticolorin, a phenolic glucoside ester, and other metabolites of Protea lacticolor Salisb.
Lacticolorin, from the leaves of Protea lacticolor Salisb., is shown to be 2-hydroxy-4-hydroxymethylphenyl 6-O-benzoyl-β-D-glucopyranoside. It is accompanied in the plant by benzoic,… Expand
(S)‐2‐HYDROXYCUPARENE (P‐(1,2,2‐TRIMETHYLCYCLOPENTYL)‐O‐CRESOL) AND 3,4′‐ETHYLENEBISPHENOL FROM A LIVERWORT, MARCHANTIA POLYMORPHA LINN.
The oxidation of 2-arylpropane-1,1,3-tricarboxylic acids with selenium dioxide yields β-aryl-α-oxoglutaric acids (aryl = phenyl and p-methoxyphenyl), whose dimethyl esters display a high degree of… Expand