广州中医药大学中药学院,广东 广州510006
黎咏怡(1997年生),女;研究方向:中药学;E-mail:20211110952@gzucm.edu.cn
张翠仙(1975年生),女;研究方向:天然药物化学;E-mail:zhangcuixian@gzucm.edu.cn
纸质出版日期:2022-07-25,
网络出版日期:2021-07-14,
收稿日期:2020-07-20,
录用日期:2020-10-28
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黎咏怡,蔡金旋,方越等.南海软珊瑚共附生真菌Aspergillus sp.EGF15-0-3中色酮、蒽醌及其二聚体类化合物[J].中山大学学报(自然科学版),2022,61(04):70-78.
LI Yongyi,CAI Jinxuan,FANG Yue,et al.Xanthones, anthraquinone and their dimers from soft coral-associated symbiotic and epiphytic fungus Aspergillus sp.EGF15-0-3[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2022,61(04):70-78.
黎咏怡,蔡金旋,方越等.南海软珊瑚共附生真菌Aspergillus sp.EGF15-0-3中色酮、蒽醌及其二聚体类化合物[J].中山大学学报(自然科学版),2022,61(04):70-78. DOI: 10.13471/j.cnki.acta.snus.2020C015.
LI Yongyi,CAI Jinxuan,FANG Yue,et al.Xanthones, anthraquinone and their dimers from soft coral-associated symbiotic and epiphytic fungus Aspergillus sp.EGF15-0-3[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2022,61(04):70-78. DOI: 10.13471/j.cnki.acta.snus.2020C015.
在持续挖掘南海软珊瑚共附生真菌
Aspergillus
sp. EGF15-0-3结构新颖化合物的过程中,经多种柱色谱技术从其PDA培养基的乙酸乙酯部位分离得到9个色酮、蒽醌及其二聚体类化合物,通过波谱学方法:NMR、MS和ORD等并结合文献数据比对鉴定其结构分别为:eurorubrin (
1
)、anhydro flavomannin-quinone-6,6′-dimethyl ether (
2
)、asperflavin (
3
)、8-
O
-methyl ether-asperflavin (
4
)、emodin (
5
)、1-
O
-methyl emodin (
6
)、physcion (
7
)、rubrocristin (
8
)和3-
O
-(
α
-
D
-ribofuranosyl)-questin (
9
)。其中
1
由两分子
3
通过亚甲基桥链接而成,而
2
则是由torosachrysone与大黄素组成的杂合二聚体类化合物。化合物
2
为首次得到的天然产物,化合物
1
、
2、4
和
9
皆首次从
Aspergillus
属得到。
In order to research the novel compounds from the soft coral-associated symbiotic and epiphytic fungus
Aspergillus
sp.EGF15-0-3, the column chroma tography with SiO
2
, ODS, Sephdex LH-20, RP-HPLC, and etc. were carried out, and two xanthones, five anthraquinones and two dimers were isolated from PDA medium. According to the (HR)ESI-MS, 1D and 2D NMR, ORD, UV, and comparison with the literatures, their structures were determined as eurorubrin (
1
), anhydro flavomannin-quinone-6,6′-dimethyl ether (
2
), asperflavin (
3
), 8-
O
-methyl ether-asperflavin (
4
), emodin (
5
), 1-
O
-methyl emodin (
6
), physcion (
7
), rubrocristin (
8
), and 3-
O
-(
α
-
D
-ribofuranosyl)-questin (
9
).
1
consisted of two asperflavins, and
2
was a heterodimer of torosachrysone and emodin, and was a firstly natural product.
1
,
2
,
4
and
9
were obtained from genus of
Aspergillus
for the first time.
Aspergillus sp.EGF15-0-3色酮蒽醌(杂合)二聚体
Aspergillus sp.EGF15-0-3xanthonesanthraquinonedimers
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