title: Neue, lipophile Benzofuranderivate aus Ratanhiawurzel.
abstract: Two phenols have been isolated from the petroleum-ether extract of Ratanhiae radix Ph. Eur.; structure elucidation has been made by means of the following chemico-physical methods: UV, IR, (1)H-NMR, (13)C-NMR-spectroscopy and mass spectrometry, microhydrogenation and thermofractography. Structures are: 2-(p-methoxy-o-hydroxyphenyl) -5-propenyl (trans)-benzofurane; 2-(p-hydroxyphenyl)-3-methyl-5-propenyl-(trans)-benzofurane. Both compounds - newly discovered in Ratanhiae radix - proved to be effective UV-light filters. They could be useful in sun protection preparations.
authors.affiliation: Pharmakognosie und Analytische Phytochemie der Universität des Saarlandes, D-6600 Saarbrücken, Bundesrepublik Deutschland.
authors.forename: E
authors.initials: E
authors.lastname: Stahl
authors.forename: I
authors.initials: I
authors.lastname: Ittel