Among 39 species of microbial strains,Rhodococcus sp.AS 4.1147 possessed the ability to selectively acetylate puerarin(1) at C-6 position of the glucosyl moiety.The structure of the acetylated product,6’’-O-acetyl...Among 39 species of microbial strains,Rhodococcus sp.AS 4.1147 possessed the ability to selectively acetylate puerarin(1) at C-6 position of the glucosyl moiety.The structure of the acetylated product,6’’-O-acetylpuerarin(2) was determined by the analysis of MS,NMR spectroscopic data.The isolated yield of 2 was 22.2%.展开更多
基金The Science & Technology Project of Guangdong Province (Grant No. 2011A080403020)the Program for New Century Excellent Talents in University (Grant No. NCET-06-0155)
文摘Among 39 species of microbial strains,Rhodococcus sp.AS 4.1147 possessed the ability to selectively acetylate puerarin(1) at C-6 position of the glucosyl moiety.The structure of the acetylated product,6’’-O-acetylpuerarin(2) was determined by the analysis of MS,NMR spectroscopic data.The isolated yield of 2 was 22.2%.