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CAS No.: | 638-95-9 |
---|---|
Name: | alpha-Amyrin |
Article Data: | 25 |
Molecular Structure: | |
Formula: | C30H50 O |
Molecular Weight: | 426.726 |
Synonyms: | Urs-12-en-3b-ol (6CI,8CI); Viminalol (7CI); 3b-Hydroxyurs-12-ene; NSC 114787; a-Amirin; a-Amyrenol; a-Amyrin; a-Amyrine |
EINECS: | 211-352-1 |
Density: | 0.9600 (rough estimate) |
Melting Point: | 188 C |
Boiling Point: | 243 C |
Flash Point: | 218.6oC |
Solubility: | SOLVENT < Soluble in ether, benzene, chloroform, glacial acetic acid |
Appearance: | white crystalline powder |
Hazard Symbols: | UN NO. |
Transport Information: | HAZARD |
PSA: | 20.23000 |
LogP: | 8.02480 |
urs-12-en-3β-yl acetate
α-amyrin
Conditions | Yield |
---|---|
With potassium hydroxide In methanol Reflux; | 99% |
Stage #1: urs-12-en-3β-yl acetate With methanol; sodium methylate at 20℃; for 2h; Stage #2: | 92% |
With methanol; sodium methylate at 20℃; for 2h; | 88% |
With potassium hydroxide In methanol | |
With potassium hydroxide In ethanol for 3h; Deacetylation; Heating; |
α-amyrin
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 14h; Reagent/catalyst; Solvent; | 94% |
Conditions | Yield |
---|---|
With isopropyl alcohol |
Conditions | Yield |
---|---|
With nickel Hydrogenation; |
Conditions | Yield |
---|---|
at 200℃; |
Conditions | Yield |
---|---|
at 200℃; |
urs-12-en-3-one
aluminum isopropoxide
isopropyl alcohol
A
α-amyrin
B
3α-hydroxyurs-12-ene
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride |
α-amyrin
Conditions | Yield |
---|---|
With sulfuric acid In ethanol |
α-amyrin
Conditions | Yield |
---|---|
With nitric acid; sodium chloride In pyridine at 0℃; for 0.2h; | 2.9 g |
Molecular Structure of alpha-Amyrin (CAS NO.638-95-9):
IUPAC Name: (3S,4alphaR,6alphaR,6betaS,8alphaR,11R,12S,12alphaR,14alphaR,14betaR)-4,4,6alpha,6beta,8alpha,11,12,14beta-Octamethyl-2,3,4alpha,5,6,7,8,9,10,11,12,12alpha,14,14alpha-tetradecahydro-1H-picen-3-ol
Molecular Formula: C30H50O
Molecular Weight: 426.72
EINECS: 211-352-1
Index of Refraction: 1.537
Molar Refractivity: 131.86 cm3
Molar Volume: 421.6 cm3
Surface Tension: 39.1 dyne/cm
Density: 1.01 g/cm3
Melting Point: 186 °C
Flash Point: 218.6 °C
Enthalpy of Vaporization: 87.66 kJ/mol
Boiling Point: 493.8 °C at 760 mmHg
Vapour Pressure: 8.06E-12 mmHg at 25 °C
Product Categories: Tri-Terpenoids
SMILES: O[C@H]2CC[C@@]1([C@@H]3[C@](CC[C@H]1C2(C)C)(C)[C@]5(C(=C/C3)\[C@@H]4[C@@H](C)[C@H](C)CC[C@]4(C)CC5)C)C
InChI: InChI=1/C30H50O/c1-19-11-14-27(5)17-18-29(7)21(25(27)20(19)2)9-10-23-28(6)15-13-24(31)26(3,4)22(28)12-16-30(23,29)8/h9,19-20,22-25,31H,10-18H2,1-8H3/t19-,20+,22+,23-,24+,25+,27-,28+,29-,30-/m1/s1
Safety Information of alpha-Amyrin (CAS NO.638-95-9):
Hazard Codes: Xi
alpha-Amyrin (CAS NO.638-95-9), its Synonyms are Viminalol ; alpha-Amyrenol ; alpha-Amyrine ; Urs-12-en-3-ol, (3beta)- (9CI) ; Urs-12-en-3beta-ol ; 3beta-Hydroxyurs-12-ene .