Methyl dehydroabietate
{{Chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid =
| ImageFile = Methyl dehydroabietate.svg
| ImageSize = 200px
| ImageName = Skeletal formula
| ImageFile1 =
| ImageName1 = Ball-and-stick model
| PIN = Methyl (4β)-abieta-9(11),8(14),12-trien-18-oate
| OtherNames =
|Section1={{Chembox Identifiers
| CASNo = 1235-74-1
| ChEBI = 228313
| ChEMBL = 12798
| PubChem = 14697
| ChemSpiderID = 13919
| UNII = 4P47O55S2W
| InChI = 1S/C21H30O2/c1-14(2)15-7-9-17-16(13-15)8-10-18-20(17,3)11-6-12-21(18,4)19(22)23-5/h7,9,13-14,18H,6,8,10-12H2,1-5H3/t18-,20-,21-/m1/s1
| InChIKey = PGZCJOPTDHWYES-HMXCVIKNSA-N
| SMILES = COC(=O)C1(C)CCCC2(C)c3ccc(C(C)C)cc3CCC12
}}
|Section2={{Chembox Properties
| Formula = C21H30O2
| MolarMass = 314.46 g/mol
| Appearance = White to off-white solid
| Density = 1.017 g/cm3
| BoilingPtC = 390.2
| BoilingPt_notes = at 760 mmHg
| Solubility = Practically insoluble in water; soluble in organic solvents
}}
|Section3={{Chembox Hazards
| MainHazards = Not extensively studied; handle with care
| FlashPt = 184.3°C
| AutoignitionPt = Not available
| GHSPictograms = {{GHS07}}
| GHSSignalWord = Warning
| HPhrases = H302, H315, H319, H335
| PPhrases = P261, P305+P351+P338
}}
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Methyl dehydroabietate is a methyl ester derivative of dehydroabietic acid, a naturally occurring resin acid found in coniferous trees. It is characterized by a tricyclic diterpenoid structure and is commonly used in the synthesis of various chemical derivatives.
Chemical structure and properties
Methyl dehydroabietate has the molecular formula C21H30O2 and a molecular weight of 314.46 g/mol. It appears as a white to off-white solid with a boiling point of 390.2 °C at 760 mmHg and a flash point of 184.3 °C. The compound is practically insoluble in water but soluble in organic solvents such as ethanol and DMSO.{{cite web |title=Methyl Dehydroabietate |url=https://pubchem.ncbi.nlm.nih.gov/compound/1235-74-1 |publisher=PubChem |access-date=2025-05-25}}
Synthesis and derivatives
It can be synthesized through the esterification of dehydroabietic acid. Various derivatives have been developed for research purposes. For instance, chalcone and pyrazole derivatives have been synthesized and characterized using NMR, MS, and X-ray crystallography. These studies help in understanding the steric and electronic effects of substituents on the compound's biological activity.{{cite journal |title=New Methyl Dehydroabietate Derivatives: Synthesis and Structural Characterization |journal=Chemistry of Natural Compounds |year=2000 |volume=36 |issue=6 |pages=560–563 |doi=10.1007/PL00010130 |last1=Silvestre |first1=Armando J. D. |last2=Monteiro |first2=Sílvia M. C. |last3=Silva |first3=Artur M. S. |last4=Cavaleiro |first4=José A. S. |last5=Félix |first5=Vítor M. S. |last6=Ferreira |first6=Paula |last7=Drew |first7=Michael G. B. }}
Biological activity
Research indicates that methyl dehydroabietate exhibits several biological activities:
- Antibacterial properties: It has shown activity against certain bacterial strains, suggesting potential as an antimicrobial agent.{{cite journal |last=Burčová |first=Z. |title=Antibacterial and antifungal activity of phytosterols and methyl dehydroabietate of Norway spruce bark extracts |journal=Journal of Biotechnology |year=2018 |volume=282 |pages=18–24 |doi=10.1016/j.jbiotec.2018.07.034|doi-access=free }}
- Antioxidant activity: Some studies suggest that methyl dehydroabietate may possess antioxidant properties, although further research is needed to confirm these findings.{{cite web |title=Methyl dehydroabietate |url=https://www.smolecule.com/products/s1524647 |publisher=Smolecule |access-date=2025-05-25}}
Applications and safety
Due to its chemical properties, methyl dehydroabietate is utilized in:
- Cosmetic industry: As an emollient and viscosity-controlling agent in skincare products.{{cite web |title=Methyl dehydroabietate |url=https://www.thegoodscentscompany.com/data/rw1359151.html |publisher=The Good Scents Company |access-date=2025-05-25}}
- Pharmaceutical research: As a starting material for synthesizing derivatives with potential therapeutic applications.
While specific toxicological data is limited, methyl dehydroabietate should be handled with standard laboratory precautions. It is classified under GHS as causing skin and eye irritation and may cause respiratory irritation. Appropriate personal protective equipment should be used when handling the compound.{{cite web |title=Methyl dehydroabietate Safety Data Sheet |url=https://file.medchemexpress.com/batch_PDF/HY-W109613/Methyl-dehydroabietate-SDS-MedChemExpress.pdf |publisher=MedChemExpress |access-date=2025-05-25}}
References
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