Terretonin

1. Core Information[1]
English Name: Terretonin
CAS No.: 71911-90-5
Molecular Formula: C26H32O9
Molecular Weight: 488.5 g/mol
SMILE:CC1(C(=O)CCC2(C1=C(C(=O)C3(C2(CC(=C)C4(C3C(=O)OC(C4=O)(C)C(=O)OC)C)O)C)O)C)C
2. International Nomenclature & Identifiers
2.1 IUPAC Name
methyl (2S,4aS,4bR,10aR,10bR,12aS)-6,10b-dihydroxy-2,4b,7,7,10a,12a-hexamethyl-12-methylidene-1,4,5,8-tetraoxo-4a,9,10,11-tetrahydronaphtho[1,2-h]isochromene-2-carboxylate
2.2 InChI
InChI=1S/C26H32O9/c1-12-11-26(33)22(4)10-9-13(27)21(2,3)15(22)14(28)17(29)24(26,6)16-18(30)35-25(7,20(32)34-8)19(31)23(12,16)5/h16,28,33H,1,9-11H2,2-8H3/t16-,22+,23+,24-,25-,26+/m0/s1
2.3 InChlKey
CYHGEJACRPDZDP-RSQIKLETSA-N
2.4 Canonical SMILES
CC1(C(=O)CCC2(C1=C(C(=O)C3(C2(CC(=C)C4(C3C(=O)OC(C4=O)(C)C(=O)OC)C)O)C)O)C)C
2.5 Isomeric SMILES
C[C@@]12CCC(=O)C(C1=C(C(=O)[C@]3([C@]2(CC(=C)[C@@]4([C@@H]3C(=O)O[C@](C4=O)(C)C(=O)OC)C)O)C)O)(C)C
3. Spectroscopic Data
3.1 13C Nuclear Magnetic Resonance (13C NMR)
3.2 1H Nuclear Magnetic Resonance (1H NMR)
4. Research Progress on Terretonin
Terretonin is a fungal meroterpenoid derived from Aspergillus terreus with growing relevance in medicine. Key findings include:
4.1 Antibacterial Activity
Terretonin N—a derivative—exhibits notable activity against Gram-positive bacteria, surpassing gentamicin in assays against S. warneri.[2] This positions Terretonin scaffolds as promising antibiotic leads.
4.2 Antitumor Potential
Terretonin analogues such as those isolated from Aspergillus ustus demonstrate antiproliferative effects.[3] These meroterpenoids may serve as starting points for anticancer drug discovery.

4.3 Anti-inflammatory Prospects
Although detailed studies are limited, the structural class suggests anti-inflammatory potential, aligning with activities observed for related terpenoids.
4.4 Drug Development
Terretonin’s unique framework and bioactivity profile make it an attractive lead for medicinal chemistry programs aimed at optimizing pharmacological efficacy and pharmacokinetics.

4.5 Scientific Utility
Terretonin also functions as a probe for studying fungal metabolism, biosynthetic machinery, and mechanistic pharmacology. Overall, its antibacterial, anticancer, and anti-inflammatory profiles—combined with its structural novelty—underscore broad translational potential.
References
- [1] http://www.kehuaai.com/productInfo/174962
- [2] Hamed A, Abdel-Razek AS, Frese M, Stammler HG, El-Haddad AF, Ibrahim TMA, Sewald N, Shaaban M. Terretonin N: A New Meroterpenoid from Nocardiopsis sp. Molecules. 2018 Jan 31;23(2):299.
- [3] Khedr I A ,Mohamed A G ,Kamal M H , et al.Terretonins from Aspergillus Genus: Structures, Biosynthesis, Bioactivities,and Structural Elucidation[J].Mini-Reviews in Organic Chemistry,2022,19(2):257-269.