RosmaquinoneCAS# 121927-71-7 |
Quality Control & MSDS
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Number of papers citing our products
| Cas No. | 121927-71-7 | SDF | Download SDF |
| PubChem ID | N/A | Appearance | Powder |
| Formula | C20H24O5 | M.Wt | 344.4 |
| Type of Compound | Diterpenoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
Rosmaquinone Dilution Calculator
Rosmaquinone Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.9036 mL | 14.518 mL | 29.036 mL | 58.072 mL | 72.59 mL |
| 5 mM | 0.5807 mL | 2.9036 mL | 5.8072 mL | 11.6144 mL | 14.518 mL |
| 10 mM | 0.2904 mL | 1.4518 mL | 2.9036 mL | 5.8072 mL | 7.259 mL |
| 50 mM | 0.0581 mL | 0.2904 mL | 0.5807 mL | 1.1614 mL | 1.4518 mL |
| 100 mM | 0.029 mL | 0.1452 mL | 0.2904 mL | 0.5807 mL | 0.7259 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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Semisynthesis and biological evaluation of abietane-type diterpenes. Revision of the structure of rosmaquinone.[Pubmed:19711987]
J Nat Prod. 2009 Aug;72(8):1385-9.
The new aromatic diterpenes 7beta-O-benzylrosmanol (3), 7beta-O-benzyl-11,12-di-O-methylrosmanol (4), and 7alpha-thiophenylcarnosic acid (5) have been obtained by partial synthesis from carnosol (1), an abundant natural diterpene present in Salvia species. The structures of these compounds were established from their physical and spectroscopic data. The known diterpenes sagequinone methide A (6), 7beta-O-methylrosmanol (7), 7-O-methylrosmanol (8), and Rosmaquinone B (9) were obtained from rosmanol (2). The spectroscopic data of these semisynthetic diterpenes were identical to data reported in the literature. In addition, the new semisynthetic isoRosmaquinone (10) was obtained from isorosmanol (12). The proton resonances of Rosmaquinone (11) are reassigned based on 2D NMR spectroscopy. These compounds, as well as eight known analogues, were evaluated for cytotoxic and antimicrobial activities.
Diterpenoid quinones from rosemary (Rosmarinus officinalis L.).[Pubmed:15950250]
Phytochemistry. 2005 Jul;66(14):1685-90.
Two new abietane-type diterpenoid o-quinones, 7beta-methoxyabieta-8,13-diene-11,12-dione-(20,6beta)-olide (Rosmaquinone A) (1) and 7alpha-methoxyabieta-8,13-diene-11,12-dione-(20,6beta)-olide (Rosmaquinone B) (2), together with six known compounds were isolated from the aerial parts of Rosmarinus officinalis L. The structures of the new compounds were determined by extensive spectroscopic analysis, including IR, UV, HR-EIMS, 1D and 2D 400 MHz NMR data (1H, 13C NMR, DEPT, 1H-1H COSY, HMQC, HMBC and NOEs).
Semisynthesis of rosmanol and its derivatives. Easy access to abietatriene diterpenes isolated from the genus Salvia with biological activities.[Pubmed:12141857]
J Nat Prod. 2002 Jul;65(7):986-9.
The known diterpenes rosmanol (3), Rosmaquinone (4), 7-methoxyrosmanol (5), 7-ethoxyrosmanol (6), galdosol (7), and epirosmanol (8) have been obtained by partial synthesis from carnosol (2), an abundant natural product present in Salvia species. The physical and spectroscopic data of these semisynthetic diterpenes were identical to those of authentic natural samples and with data reported in the literature. These abietane diterpenes have very interesting biological activities and are present in the genus Salviain low quantities; thus, the semisynthetic approach described here represents an efficient alternative method to obtain these compounds. Additionally, the known diterpene 16-hydroxyrosmanol (10) and a new aromatic diterpene 11 were obtained from 16-hydroxycarnosol (9) by reaction with Ph3P/NBS in CH2Cl2. The structure of the new compound 11 was established from its spectroscopic data as 12,16-epoxycarnosol.
