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Updated: May 15, 2026
![Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F60786.jpg&w=3840&q=50)
Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions
Published on: July 17, 2020
A new perylenequinone from a halotolerant fungus, Alternaria sp. M6
Song-Ya Zhang1, Zhan-Lin Li, Jiao Bai
1Key Laboratory of Structure-Based Drug Design & Discovery (Shenyang Pharmaceutical University), Ministry of Education, Shenyang 110016, China.
Aim:
To study the metabolites of a halotolerant fungus Alternaria sp. M6.
Methods:
The metabolites were isolated and purified by various chromatographic techniques. Their structures were determined on the basis of physical properties and spectroscopic data.
Results:
Nine compounds were isolated and identified as 8β-chloro-3, 6aα, 7β, 9β, 10-pentahydroxy-9, 8, 7, 6a-tetrahydroperylen-4(6aH)-one (1), alterperylenol (2), dihydroalterperylenol (3), adenine (4), adenosine (5), deoxyadenosine (6), guanosine (7), tryptophan (8), and hexadecanoic acid (9).
Conclusion:
Compound 1 is a new perylenequinone.
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