71950-67-9

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71950-67-9 Structure

Identification	Back Directory
[Name] thielavin B
[CAS] 71950-67-9
[Synonyms] thielavin B 4-[(2,4-Dihydroxy-3,6-dimethylbenzoyl)oxy]-2-methoxy-3,5,6-trimethylbenzoic acid 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester
[MDL Number] MFCD11111623
[MOL File] 71950-67-9.mol

Chemical Properties	Back Directory
[storage temp. ] -20°C
[solubility ] DMF: soluble; DMSO: soluble; Ethanol: soluble
[form ] White to off-white powder.

Hazard Information	Back Directory
[Description] Thielavin B is a fungal metabolite that contains O-substituted salicylic acid. It inhibits cyclooxygenase, blocking both the conversion of arachidonic acid to Prostaglandin H₂ (PGH₂) and the conversion of PGH₂ to PGE₂ (, IC₅₀s = 40 and 9 μM, respectively). Thielavin B also inhibits the reverse transcriptase of avian myeloblastosis virus, bacterial transglycosylases, and telomerase activity.
[Uses] Thielavin B is a fungal metabolite closely related to thielavin A but reported to have a slightly different biochemical profile. Thielavins inhibit glucose-6-phosphatase. Thielavin B is a potent inhibitor of phospholipase C, and inhibits peptidoglycan formation and prostaglandin biosynthesis.
[Uses] Thielavin B is a fungal metabolite of?Thielavia terricola that contains O-substituted salicylic acid. It is an inhibitor of viral reverse transcriptase and telomerase.
[General Description] Natural product derived from fungal source.
[References] [1] N MANI. Screening systems for detecting inhibitors of cell wall transglycosylation in Enterococcus. Cell wall transglycosylation inhibitors in Enterococcus.[J]. Journal of Antibiotics, 1998, 51 5: 471-479. DOI: 10.7164/antibiotics.51.471 [2] KEN-ICHI TOGASHI. Inhibition of Telomerase Activity by Fungus Metabolites, CRM646-A and Thielavin B[J]. Bioscience, Biotechnology, and Biochemistry, 2001, 65 1: 651-653. DOI: 10.1271/bbb.65.651

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