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Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 mg | $540 | Backorder | |
1 mL x 10 mM (in DMSO) | $550 | Backorder |
Description | 2,4,7-Trihydroxy-9,10-dihydrophenanthrene showS the DPPH free radical scavenging activity with EC(50) from 8.8 to 55.9 microM. |
In vitro | Three new 9,10-dihydrophenanthrene derivatives named phoyunnanins A-C, together with six known 9,10-dihydrophenanthrene constituents, 4,4',7,7'-tetrahydroxy-2,2'-dimethoxy-9,9',10,10'-tetrahydro-1,1'-biphenanthrene (4), lusianthridin (5), eulophiol (6), 2,4,7-Trihydroxy-9,10-dihydrophenanthrene (7) and imbricatin (8), were isolated from the 60% ethanolic extract of air-dried whole plant of Pholidota yunnanensis Rolfe. The structures of phoyunnanins A-C were established as 6-[2'-(3',3''-dihydroxy-5'-methoxybibenzy)]-4,7-dihydroxy-2-methoxy-9,10-dihydrophenanthrene (1), 6-[6'-(trans-3',3''-dihydroxy-5'-methoxystilbeny)]-4,7-dihydroxy-2-methoxy-9,10-dihydrophenanthrene (2) and 4,4',7,7'-tetrahydroxy-2,2'-dimethoxy-9,9',10,10'-tetrahydro-1,6'-biphenanthrene (3), respectively, on the basis of the spectroscopic analysis. |
Molecular Weight | 228.247 |
Formula | C14H12O3 |
Cas No. | 70205-52-6 |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
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