Lanopropic acid, a novel natural 2,3-secolanostane triterpenoid from Schisandra propinqua var. propinqua.
ABSTRACT A triterpenetricarboxylic acid with a novel 2,3-secolanostane-type framework named lanopropic acid ( 1) was isolated from the aerial parts of Schisandra propinqua var. propinqua. The structure of 1 was elucidated as 2,3-secolanost-9(11),24( Z)-diene-2,3,26-trioic acid on the basis of spectroscopic techniques and X-ray diffraction studies. This is the first report of natural occurrence of 2,3-secolanostane type triterpenoid.
Article: Triterpenoids[Show abstract] [Hide abstract]
ABSTRACT: This review covers the isolation and structure determination of triterpenoids including squalene derivatives, protostanes, lanostanes, holostanes, cycloartanes, dammaranes, euphanes, tirucallanes, tetranortriterpenoids, lupanes, oleananes, friedelanes, ursanes, hopanes, isomalabaricanes and saponins; 574 references are cited.Natural Product Reports 02/1994; 11(1):91-117. DOI:10.1039/b808530g · 10.72 Impact Factor
- [Show abstract] [Hide abstract]
ABSTRACT: Covering: February 2008 to May 2014. Previous review: Nat. Prod. Rep., 2008, 25, 871-891Several significant advances in the field of phytochemistry were made between 2008 and 2014 because of the high level of interest in Schisandraceae triterpenoids. In addition to a dramatic increase in the number of newly identified triterpenoids, the first complete synthesis of a schinortriterpenoid was accomplished. There has also been substantial progress in investigations of biological activity and mechanism of action. In this update, we review more than 250 new triterpenoids and describe their structures, classifications, biogenetic pathways, syntheses, and bioactivities.Natural Product Reports 11/2008; 25(5):871-91. DOI:10.1039/b719905h · 10.72 Impact Factor