Helvolic Acid Derivatives with Antibacterial Activities against <i>Streptococcus agalactiae</i> from the Marine-Derived Fungus <i>Aspergillus fumigatus</i> HNMF0047
作者:Fan-Dong Kong、Xiao-Long Huang、Qing-Yun Ma、Qing-Yi Xie、Pei Wang、Peng-Wei Chen、Li-Man Zhou、Jing-Zhe Yuan、Hao-Fu Dai、Du-Qiang Luo、You-Xing Zhao
DOI:10.1021/acs.jnatprod.8b00382
日期:2018.8.24
metabolite helvolic acid (10), seven new helvolic acid derivatives named 16-O-deacetylhelvolic acid 21,16-lactone (2), 6-O-propionyl-6,16-O-dideacetylhelvolic acid 21,16-lactone (3), 1,2-dihydro-6,16-O-dideacetylhelvolic acid 21,16-lactone (4), 1,2-dihydro-16-O-deacetylhelvolic acid 21,16-lactone (5), 16-O-propionyl-16-O-deacetylhelvolic acid (6), 6-O-propionyl-6-O-deacetylhelvolic acid (7), and 24-epi-6β
无乳链球菌是一种有害的病原体,可能对人类和鱼类造成巨大伤害。在本研究中,已知的真菌代谢物helvolic酸(10),命名为七个新helvolic酸衍生物16- ö -deacetylhelvolic酸21,16内酯(2),6- ø -丙酰基- 6,16- ö -dideacetylhelvolic酸21,16内酯(3),1,2-二氢- 6,16- ö -dideacetylhelvolic酸21,16内酯(4),1,2-二氢-16- ö -deacetylhelvolic酸21,16内酯(5),16- O-丙酰基-16- O-脱乙酰基庚酸(6),6-O-丙酰基-6- O-脱乙酰基庚酸(7)和24- Epi -6β,16β-diacetoxy-25-hydroxy-3,7-dioxo-29-nordammara-1,17(20)-diene-21,从海洋真菌烟曲霉HNMF0047中分离出24