乙酸酐 、 以
吡啶 为溶剂,
以20.8 mg的产率得到deacyl condurangogenin B 3,11,12-triacetate
参考文献:
名称:
Studies on the constituents of asclepiadaceae plants. LI. Oxidation at the 18-methyl group of C/D-cis-pregnane type steroids and 13C-nuclear magnetic resonance spectra of 18-oxygenated pregnanes and related compounds.
Studies on the constituents of asclepiadaceae plants. LI. Oxidation at the 18-methyl group of C/D-cis-pregnane type steroids and 13C-nuclear magnetic resonance spectra of 18-oxygenated pregnanes and related compounds.