herbarin
3,4-dihydro-3-hydroxy-7,9-dimethoxy-3-methyl-1H-naphtho(2,3-c)pyran-5,10-dione
Identification
| Name | herbarin |
| IUPAC | 3-hydroxy-7,9-dimethoxy-3-methyl-1,4-dihydrobenzo[g]isochromene-5,10-dione |
| CAS Number | 36379-67-6 |
| FDA UNII | Search |
| Molecular Formula | C16 H16 O6 |
| Molecular Weight | 304.29872000 |
| Nikkaji Number | J17.614A |
Regulatory
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Boiling Point | 548.47 °C. @ 760.00 mm Hg (est) |
| Flash Point | 404.00 °F. TCC ( 206.80 °C. ) (est) |
| logP (o/w) | 2.120 (est) |
| Soluble in | water, 1436 mg/L @ 25 °C (est) |
No sensory data available
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | natural substances and extractives |
| Recommendation for herbarin usage levels up to | not for fragrance use. |
| Recommendation for herbarin flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
3,4-
dihydro-3-hydroxy-7,9-dimethoxy-3-methyl-1H-naphtho(2,3-c)pyran-5,10-dione
3-
hydroxy-7,9-dimethoxy-3-methyl-1,4-dihydrobenzo[g]isochromene-5,10-dione
1H-
naphtho(2,3-c)pyran-5,10-dione, 3,4-dihydro-3-hydroxy-7,9-dimethoxy-3-methyl-
PubMed:
The synthesis of the pyranonaphthoquinones dehydroherbarin and anhydrofusarubin using Wacker oxidation methodology as a key step and other unexpected oxidation reactions with ceric ammonium nitrate and salcomine.
PubMed:
Maximizing chemical diversity of fungal metabolites: biogenetically related Heptaketides of the endolichenic fungus Corynespora sp. (1).
PubMed:
New naphthoquinone derivatives from the ascomycete IBWF79B-90A.
PubMed:
Biosynthesis of scorpinone, a 2-azaanthraquinone from Amorosia littoralis, a fungus from marine sediment.
PubMed:
Heptaketides from Corynespora sp. inhabiting the cavern beard lichen, Usnea cavernosa: first report of metabolites of an endolichenic fungus.
PubMed:
New metabolites from sponge-derived fungi Curvularia lunata and Cladosporium herbarum.
PubMed:
Synthesis of two naphthoquinone antibiotics, dehydroherbarin and 6-deoxybostrycoidin.
PubMed:
Microbiological aspects of herbarin production.
PubMed:
Structure of herbarin.
PubMed:
Isolation and characterization of naphthaquinone pigments from Torula herbarum (Pers.). Herbarin and dehydroherbarin.