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Structural revision of aspernigrin A, reisolated from Cladosporium herbarum IFB-E002.
J Nat Prod. 2005 Jul; 68(7):1106-8.JN

Abstract

Aspernigrin A was reisolated as a secondary metabolite of the Cynodon dactylon-associated endophytic fungus Cladosporium herbarum IFB-E002 coproducing rubrofusarin B, fonsecinone A, 7-hydroxy-4-methoxy-5-methylcoumarin, orlandin, kotanin, and 3beta,5alpha,6beta-trihydroxyergosta-7,22-diene. The structure of aspernigrin A, previously elucidated to be 4-benzyl-6-oxo-1,6-dihydropyridine-3-carboxamide (1), was revised as 6-benzyl-4-oxo-1,4-dihydropyridine-3-carboxamide (2) on the basis of its additional NMR spectroscopic data and the X-ray crystallographic analysis.

Authors+Show Affiliations

Ye YH
Institute of Functional Biomolecules, State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210093, People's Republic of China.
Zhu HL
No affiliation info available
Song YC
No affiliation info available
Liu JY
No affiliation info available
Tan RX
No affiliation info available

MeSH

CladosporiumCrystallography, X-RayDihydropyridinesMolecular ConformationNuclear Magnetic Resonance, Biomolecular

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16038560

Citation

Ye, Yong H., et al. "Structural Revision of Aspernigrin A, Reisolated From Cladosporium Herbarum IFB-E002." Journal of Natural Products, vol. 68, no. 7, 2005, pp. 1106-8.
Ye YH, Zhu HL, Song YC, et al. Structural revision of aspernigrin A, reisolated from Cladosporium herbarum IFB-E002. J Nat Prod. 2005;68(7):1106-8.
Ye, Y. H., Zhu, H. L., Song, Y. C., Liu, J. Y., & Tan, R. X. (2005). Structural revision of aspernigrin A, reisolated from Cladosporium herbarum IFB-E002. Journal of Natural Products, 68(7), 1106-8.
Ye YH, et al. Structural Revision of Aspernigrin A, Reisolated From Cladosporium Herbarum IFB-E002. J Nat Prod. 2005;68(7):1106-8. PubMed PMID: 16038560.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Structural revision of aspernigrin A, reisolated from Cladosporium herbarum IFB-E002. AU - Ye,Yong H, AU - Zhu,Hai L, AU - Song,Yong C, AU - Liu,Jun Y, AU - Tan,Ren X, PY - 2005/7/26/pubmed PY - 2005/8/27/medline PY - 2005/7/26/entrez SP - 1106 EP - 8 JF - Journal of natural products JO - J Nat Prod VL - 68 IS - 7 N2 - Aspernigrin A was reisolated as a secondary metabolite of the Cynodon dactylon-associated endophytic fungus Cladosporium herbarum IFB-E002 coproducing rubrofusarin B, fonsecinone A, 7-hydroxy-4-methoxy-5-methylcoumarin, orlandin, kotanin, and 3beta,5alpha,6beta-trihydroxyergosta-7,22-diene. The structure of aspernigrin A, previously elucidated to be 4-benzyl-6-oxo-1,6-dihydropyridine-3-carboxamide (1), was revised as 6-benzyl-4-oxo-1,4-dihydropyridine-3-carboxamide (2) on the basis of its additional NMR spectroscopic data and the X-ray crystallographic analysis. SN - 0163-3864 UR - https://www.unboundmedicine.com/medline/citation/16038560/Structural_revision_of_aspernigrin_A_reisolated_from_Cladosporium_herbarum_IFB_E002_ DB - PRIME DP - Unbound Medicine ER -