Description
Abietic acid isolated from the herbs of Pinus massoniana.
Synonyms
(1R,4AR,4BR,10AR)-7-ISOPROPYL-1,4A-DIMETHYL-1,2,3,4,4A,4B,5,6,10,10A-DECAHYDRO-PHENANTHRENE-1-CARBOXYLIC ACID;
IUPAC Name
(1R,4aR,4bR,10aR)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid
Molecular Formula
C20H30O2
Canonical SMILES
CC(C)C1=CC2=CCC3C(C2CC1)(CCCC3(C)C(=O)O)C
InChI
InChI=1S/C20H30O2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22/h7,12-13,16-17H,5-6,8-11H2,1-4H3,(H,21,22)/t16-,17+,19+,20+/m0/s1
InChIKey
RSWGJHLUYNHPMX-ONCXSQPRSA-N
Melting Point
139-142 °C (lit.)
150-165 °C
Solubility
Soluble in alcohols, acetone and ethers
Application
anti-inflammation;
Alpha
D24 -106° (c = 1 in abs alc)
Chemical Properties
yellow resinous powder, crystals or chunks
Definition
ChEBI: An abietane diterpenoid that is abieta-7,13-diene substituted by a carboxy group at position 18.
Purification Methods
Filter, dry it in a vacuum (over KOH or CaSO4) and store it in an O2-free atmosphere. It can also be purified via the anhydride, tritylabietate and the potassium, piperidine and brucine salts.
Refractive Index
1.4800 (estimate)
Risk Statements
36/37/38-50-50/53
Stability
Stable. Combustible. Incompatible with strong oxidizing agents.
Toxicity
LD50 ivn-mus: 180 mg/kg
Uses
Abietic Acid is the primary component of resin acid found commonly in rosin. Abietic Acid exhibited potent testosterone 5α-reductase inhibitory activity in vitro.
Water Solubility
Soluble in acetone, petroleum ether, diethyl ether and ethanol. Insoluble in water.