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A new 1,4-benzoxazine derivative produced by endophytic Colletotrichum gloeosporioides B-142

Colletotrin A (1), a new 1,4-benzoxazine derivative, and eight known compounds, including two alkaloids (2-3), one acylamide (4), one benzaldehyde (5), and four sterols (6-9) were obtained from endophytic fungus Colletotrichum gloeosporioides B-142, which was isolated from Dracaena cochinchinensis....

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Published in:Natural product research 2024-04, Vol.38 (8), p.1341-1346
Main Authors: Zhang, Bing, Huang, Zhi-pu, Si, Yu, Zhang, Ke-tao, Xu, Xiao-rong, Chen, Jian-hong, Zhao, Qing, Zhang, Xiao-mei
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cited_by cdi_FETCH-LOGICAL-c441t-ce1dd108f10130aba46c6c275d1998d3d22d8e8575163b37c45ad2c1ecb913553
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container_title Natural product research
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creator Zhang, Bing
Huang, Zhi-pu
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Zhao, Qing
Zhang, Xiao-mei
description Colletotrin A (1), a new 1,4-benzoxazine derivative, and eight known compounds, including two alkaloids (2-3), one acylamide (4), one benzaldehyde (5), and four sterols (6-9) were obtained from endophytic fungus Colletotrichum gloeosporioides B-142, which was isolated from Dracaena cochinchinensis. Among them, 1,2,3,4-tetrahydroquinoline-4,8-diol (2) was reported for the first time as natural product. The structure of compound 1 was elucidated with help of spectroscopic data including IR, UV, electronic circular dichroism (ECD) calculation, HRESIMS, 1D and 2D NMR (COSY, HSQC and HMBC). The antimicrobial activities were evaluated by disc diffusion method.
doi_str_mv 10.1080/14786419.2022.2141735
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source Taylor and Francis Science and Technology Collection
subjects antimicrobial activities
Benzaldehyde
Benzoxazine
Benzoxazines
Circular dichroism
Colletotrichum gloeosporioides
colletotrin A
Dichroism
endophyte
Endophytes
Natural products
NMR
Nuclear magnetic resonance
Sterols
title A new 1,4-benzoxazine derivative produced by endophytic Colletotrichum gloeosporioides B-142
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