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(Rac)-Dehydrovomifoliol (PBI 344)

Alias: Dehydrovomifoliol; (4S)-4-hydroxy-3,5,5-trimethyl-4-[(E)-3-oxobut-1-enyl]cyclohex-2-en-1-one; CHEBI:18429; (4S)-4-hydroxy-3,5,5-trimethyl-4-((E)-3-oxobut-1-enyl)cyclohex-2-en-1-one; ...; 15764-81-5;
(Rac)-Dehydrovomifoliol (PBI 344) is a bisquiterpene compound found in Euphorbia peplus.
(Rac)-Dehydrovomifoliol (PBI 344)
(Rac)-Dehydrovomifoliol (PBI 344) Chemical Structure CAS No.: 15764-81-5
Product category: Terpenoids
This product is for research use only, not for human use. We do not sell to patients.

Other Forms of (Rac)-Dehydrovomifoliol (PBI 344):

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Product Description
(Rac)-Dehydrovomifoliol (PBI 344) is a bisquiterpene compound found in Euphorbia peplus. (Rac)-Dehydrovomifoliol (also known as PBI 344, CAS No.: 15764-81-5) is a bisnorsesquiterpene compound found in plants such as Euphorbia peplus. This compound belongs to the megastigmane class of natural products, with the molecular formula C₁₃H₁₈O₃ and a molecular weight of 222.28 g/mol. Its chemical structure features a cyclohexenone core substituted with methyl groups at positions 3, 5, and 5, along with a hydroxy group and a 3-oxobut-1-en-1-yl side chain at position 4. As a racemic mixture, it contains both (6R)- and (6S)-enantiomers.
Biological Activity I Assay Protocols (From Reference)
Targets
Peroxisome Proliferator-Activated Receptor Alpha (PPARα): (+)-Dehydrovomifoliol, one enantiomer of the racemic mixture, regulates lipid metabolism by activating PPARα.
Acetylcholinesterase (AChE): Dehydrovomifoliol exhibits moderate acetylcholinesterase inhibitory activities.
E2F1/AKT/mTOR Signaling Pathway: An alternative mechanism suggests that the anti-NAFLD activity of dehydrovomifoliol may involve this signaling axis.
ln Vitro
Cytotoxic Activity: Dehydrovomifoliol shows significant cytotoxic activities against three human cancer cell lines, with IC₅₀ values ranging from 3.7-8.1 μM, including HONE-1 nasopharyngeal carcinoma cells, KB oral epidermoid carcinoma cells, and HT29 colorectal carcinoma cells. However, it should be noted that (±)-Dehydrovomifoliol itself shows no significant cytotoxic activity against various human cancer cell lines. One study demonstrated that this compound (1 nM-100 μM, 48 h) has no significant cytotoxicity against MCF-7, H460, HT-29, or CEM human cancer cell lines. Anti-angiogenic Activity: (±)-Dehydrovomifoliol shows no significant anti-angiogenic activity in the Matrigel endothelial cell tube formation assay, with an IC₅₀ value greater than 10 μM (1 nM-10 μM, 24 h). Lipid Metabolism Regulation: In hepatic cells, (+)-dehydrovomifoliol activates the PPARα signaling pathway, leading to increased expression of Fibroblast Growth Factor 21 (FGF21). Elevated FGF21 levels inhibit the expression of SREBP1, a master transcriptional regulator of lipogenesis, thereby reducing fatty acid and triglyceride synthesis and alleviating hepatic lipid accumulation. An alternative mechanism suggests that the anti-NAFLD activity of dehydrovomifoliol may involve the E2F1/AKT/mTOR signaling axis.
ln Vivo
Based on its in vitro mechanism of action, (±)-Dehydrovomifoliol may regulate hepatic lipid metabolism via the PPARα–FGF21 signaling pathway in animal experiments, thereby exerting anti-NAFLD effects. Its specific antitumor activity in vivo and other pharmacodynamic data still require further investigation.
Enzyme Assay
For assessing PPARα activation activity, a cell-free system using purified PPARα protein and a luciferase reporter system can be employed. Fluorescence signals are measured to evaluate the compound's activation of PPARα, with known PPARα agonists serving as positive controls.
Cell Assay
Cytotoxicity Assay: MCF-7, H460, HT-29, or CEM human cancer cell lines are seeded in appropriate culture plates and treated with various concentrations of (±)-Dehydrovomifoliol (1 nM-100 μM) for 48 hours. Cell viability is assessed by MTT or CCK-8 assays to calculate IC₅₀ values for cytotoxicity evaluation. Anti-angiogenic Assay: In the Matrigel endothelial cell tube formation assay, human umbilical vein endothelial cells are seeded on Matrigel-coated plates and treated with (±)-Dehydrovomifoliol (1 nM-10 μM) for 24 hours. Tube formation is observed and quantified under a microscope, with known anti-angiogenic inhibitors serving as positive controls. Lipid Metabolism Study: In hepatic cell lines such as HepG2, cells are treated with (+)-dehydrovomifoliol. mRNA expression levels of PPARα, FGF21, SREBP1, and other genes are detected by qPCR, protein expression changes are assessed by Western blot, and intracellular lipid accumulation is evaluated by Oil Red O staining.
References

[1]. Chemical constituents of Euphorbia peplus. Biochemical Systematics and Ecology. 2021, 98, 104307.

Additional Infomation
Dehydrovomifoliol is a fenane monoterpene with methyl groups at positions 3, 5, and 5, and a hydroxyl group and a 3-oxobut-1-en-1-yl group at position 4. It is a fenane monoterpene and also an enone.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Exact Mass
222.126
CAS #
15764-81-5
Related CAS #
Dehydrovomifoliol;39763-33-2
PubChem CID
5280662
Appearance
Typically exists as solid at room temperature
Density
1.125g/cm3
Boiling Point
367.4ºC at 760mmHg
Flash Point
190.2ºC
Vapour Pressure
6.84E-07mmHg at 25°C
Index of Refraction
1.554
LogP
1.808
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
2
Heavy Atom Count
16
Complexity
388
Defined Atom Stereocenter Count
0
InChi Key
JJRYPZMXNLLZFH-AATRIKPKSA-N
InChi Code
InChI=1S/C13H18O3/c1-9-7-11(15)8-12(3,4)13(9,16)6-5-10(2)14/h5-7,16H,8H2,1-4H3/b6-5+
Chemical Name
4-hydroxy-3,5,5-trimethyl-4-[(E)-3-oxobut-1-enyl]cyclohex-2-en-1-one
Synonyms
Dehydrovomifoliol; (4S)-4-hydroxy-3,5,5-trimethyl-4-[(E)-3-oxobut-1-enyl]cyclohex-2-en-1-one; CHEBI:18429; (4S)-4-hydroxy-3,5,5-trimethyl-4-((E)-3-oxobut-1-enyl)cyclohex-2-en-1-one; ...; 15764-81-5;
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Calculator

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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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