A novel butanolide, named virginaebutanolide F （1）, was isolated from the lyophilized culture broth of Streptomyces sp., along with a known compound virginaebutanolide C （2）. Their structures including the stereoc...A novel butanolide, named virginaebutanolide F （1）, was isolated from the lyophilized culture broth of Streptomyces sp., along with a known compound virginaebutanolide C （2）. Their structures including the stereochemistry were elucidated on the basis of extensive 1D and 2D NMR as well as HRESI-MS and CD spectroscopic analysis.展开更多
文摘A novel butanolide, named virginaebutanolide F （1）, was isolated from the lyophilized culture broth of Streptomyces sp., along with a known compound virginaebutanolide C （2）. Their structures including the stereochemistry were elucidated on the basis of extensive 1D and 2D NMR as well as HRESI-MS and CD spectroscopic analysis.
