Chemical structure of hosenkol-A, the first example of the natural baccharane triterpenoid of the missing intermediate to shionane and lupane
Abstract
From the seeds of Impatiens balsamina L., hosenkol-A(1) was isolated and characterized as (3S,4R,17R, 20S, 24S,25S)-3,17,26,28-tetrahydroxy-21,24-epoxybaccharane, which is the first baccharane triterpenoid from natural sources, on the basis of X-ray analysis