• Name

  (+)-Dehydroabietic acid

• EINECS
• CAS No. 1231-75-0
• Article Data14
• CAS DataBase
• Density 1.059 g/cm³
• Solubility
• Melting Point 166-168 °C
• Formula C₂₀H₂₈O₂
• Boiling Point 425.085 °C at 760 mmHg
• Molecular Weight 300.441
• Flash Point 202.504 °C
• Transport Information
• Appearance
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 5b-Podocarpa-8,11,13-trien-15-oicacid, 13-isopropyl- (7CI,8CI);1-Phenanthrenecarboxylicacid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1R-(1a,4ab,10ab)]- (9CI);
• PSA 37.30000
• LogP 4.90490

Synthetic route

74383-48-5

Δ6-6-hydroxy-5βH-dehydroabietic acid (18-6)-lactone

A

1231-75-0

6-hydroxy-5βH-abieta-6,8,11,13-tetraen-18-oic acid

B

74430-73-2

6β-hydroxy-5βH-abieta-8,11,13-trien-18-oic acid 18,6β-lactone

C

74383-49-6

6α-hydroxy-5βH-abieta-8,11,13-trien-18-oic acid 18,6α-lactone

Conditions

Conditions	Yield
With hydrogen; platinum(IV) oxide In acetic acid under 760 Torr; for 1.66667h; Ambient temperature; Title compound not separated from byproducts;	A n/a B 0.5% C 30%
With hydrogen; platinum(IV) oxide In acetic acid under 760 Torr; for 1.66667h; Ambient temperature;	A n/a B 0.5% C 30%

...Expand

18492-76-7

methyl (1R,4aS,10aR)-1,2,3,4,4a,10a-hexahydro-1,4a-dimethyl-7-(1-methylethyl)phenanthrene-1-carboxylate

1231-75-0

6-hydroxy-5βH-abieta-6,8,11,13-tetraen-18-oic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 1.) perbenzoic acid, 2.) p-TsOH / 1.) CHCl3, RT, 24 h, 2.) toluene, reflux, 3 h 2: H2 / PtO2 / acetic acid / 1.67 h / 760 Torr / Ambient temperature View Scheme

1231-75-0

6-hydroxy-5βH-abieta-6,8,11,13-tetraen-18-oic acid

Δ1-exo-Dehydroabietan

Conditions

Conditions	Yield
With pyridine; lead(IV) acetate In benzene

(+)-Dehydroabietic acid Specification