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Demethylcephalotaxinone

CAS# 51020-45-2

Demethylcephalotaxinone

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Quality Control of Demethylcephalotaxinone

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Chemical structure

Demethylcephalotaxinone

3D structure

Chemical Properties of Demethylcephalotaxinone

Cas No. 51020-45-2 SDF Download SDF
PubChem ID 10086100 Appearance Powder
Formula C17H17NO4 M.Wt 299.32
Type of Compound Alkaloids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name (6S)-3-hydroxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,13,15(19)-tetraen-4-one
SMILES C1CC23CC(=O)C(=C2C4=CC5=C(C=C4CCN3C1)OCO5)O
Standard InChIKey FDWVASNYLQYPMN-KRWDZBQOSA-N
Standard InChI InChI=1S/C17H17NO4/c19-12-8-17-3-1-4-18(17)5-2-10-6-13-14(22-9-21-13)7-11(10)15(17)16(12)20/h6-7,20H,1-5,8-9H2/t17-/m0/s1
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.
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.
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.

Source of Demethylcephalotaxinone

The branches and leaves of Cephalotaxus sinensis

Biological Activity of Demethylcephalotaxinone

DescriptionDemethylcephalotaxinone is a natural product from Cephalotaxus fortunei.

Protocol of Demethylcephalotaxinone

Structure Identification
Acta Botanica Sinica,1980,22(2):56-60.

Studies on Alkaloids of Cephalotaxus sinensis (Rehd et Will.)Li[Reference: WebLink]


METHODS AND RESULTS:
Seven alkaloids were isolated from Cephalotaxus sinensis(Rehd.et Wils.)Li and were identified by elements analysis,melting point and spectral data.Six of them are known alkaloids:cephalotaxine(Ⅰ),Ⅱ-hydroxycephalotaxine(Ⅱ),drupacine(Ⅲ), Demethylcephalotaxinone(Ⅳ),c-3epi-wilsonine(Ⅴ)and wilsonine(Ⅵ).
CONCLUSIONS:
Cephalo- taxine is the major alkaloid of this plant.(Ⅰ-Ⅳ)are alkaloid of Cephalotaxus type and another two(Ⅴ-Ⅵ)are alkaloid of homoerythrina type.(Ⅶ)seems to be a new alkaloid.Its structure wiltbe studied further.

J Am Chem Soc. 1975 Apr 30;97(9):2507-16.

Total synthesis of the Cephalotaxus alkaloids. Cephalotaxine, cephalotaxinone, and demethylcephalotaxinone[Reference: WebLink]


METHODS AND RESULTS:
Cephalotaxine (1), the major alkaloid produced by several species of Cephalotaxus (plum-yews), has been synthesized as its racemate in eight steps from 1-prolinol (4) and 3,4-methylenedioxyphenylacetyl chloride (3).
CONCLUSIONS:
Cephalotaxinone (22) and Demethylcephalotaxinone (19), minor alkaloids which normally occur with cephalotaxine, have been prepared as intermediates in this synthesis.

Demethylcephalotaxinone Dilution Calculator

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Demethylcephalotaxinone Molarity Calculator

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Preparing Stock Solutions of Demethylcephalotaxinone

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.3409 mL 16.7045 mL 33.4091 mL 66.8181 mL 83.5227 mL
5 mM 0.6682 mL 3.3409 mL 6.6818 mL 13.3636 mL 16.7045 mL
10 mM 0.3341 mL 1.6705 mL 3.3409 mL 6.6818 mL 8.3523 mL
50 mM 0.0668 mL 0.3341 mL 0.6682 mL 1.3364 mL 1.6705 mL
100 mM 0.0334 mL 0.167 mL 0.3341 mL 0.6682 mL 0.8352 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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