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New triterpene and triterpenoid glycosides from Ilex brevicuspis
Taketa, Alexandre T. Cardoso; Gondorf, Manfred; Breitmaier, Eberhard; Schenkel, Eloir Paulo.
  • Taketa, Alexandre T. Cardoso; Universität Bonn. Kekulé-Institut für Organische und Biochemie. DE
  • Gondorf, Manfred; Universität Bonn. Kekulé-Institut für Organische und Biochemie. DE
  • Breitmaier, Eberhard; Universität Bonn. Kekulé-Institut für Organische und Biochemie. DE
  • Schenkel, Eloir Paulo; Universidade Federal de Santa Catarina. Centro de Ciências da Saúde. Departamento de Ciências Farmacêuticas.
RBCF, Rev. bras. ciênc. farm. (Impr.) ; 38(2): 155-161, abr.-jun. 2002. ilus, tab
Article in English | LILACS | ID: lil-333579
ABSTRACT
From the leaves of Ilex brevicuspis were isolated a new triterpene, 20(S)-3"BETA", 19"ALFA"-dihydroxyurs-12-en-23,28-dioic acid, named here brevicuspic acid, and two new triterpenoid glycosides, 3-O-"ALFA"-L-arabinopyranosyl-20(S)-pomolic acid-28-O-"BETA"-D-glucopyranosyl ester; named brevicuspisaponin 3, and the 23-sodium salt of (20S)- 3"BETA", 19"ALFA", 24-trihydroxyurs-12-en-23,28-dioic acid-28"BETA"-O-"BETA"-D-glucopyranosyl ester; along with the known compound 3-O-"ALFA"-L-arabinopyranosyl-20(S)-19"ALFA",24-dihydroxyursolic acid- 28-O-"BETA"-D-glucopyranosyl ester; already described for Ilex argentina. Their structures were established on the basis of chemical and spectroscopic methods...
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Full text: Available Index: LILACS (Americas) Main subject: Plants, Medicinal / Saponins / Triterpenes / Ilex paraguariensis Language: English Journal: RBCF, Rev. bras. ciênc. farm. (Impr.) Journal subject: Biochemistry / Pharmacy / Pharmacology Year: 2002 Type: Article Affiliation country: Brazil / Germany Institution/Affiliation country: Universität Bonn/DE

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Full text: Available Index: LILACS (Americas) Main subject: Plants, Medicinal / Saponins / Triterpenes / Ilex paraguariensis Language: English Journal: RBCF, Rev. bras. ciênc. farm. (Impr.) Journal subject: Biochemistry / Pharmacy / Pharmacology Year: 2002 Type: Article Affiliation country: Brazil / Germany Institution/Affiliation country: Universität Bonn/DE