Enoxolone

The Enoxolone, with the CAS registry number 471-53-4, is also known as 18-beta-Glycyrrhetinic acid. It belongs to the product categories of Pentacyclic Triterpenes; Tri-Terpenoids; Miscellaneous; Biochemistry; Terpenes; Terpenes (Others); Natural Plant Extract; Cosmetic Ingredients & Chemicals; Chiral Reagents; Heterocycles; Intermediates & Fine Chemicals; Pharmaceuticals. Its EINECS number is 207-444-6. This chemical's molecular formula is C₃₀H₄₆O₄ and molecular weight is 470.68. What's more, its systematic name is (3β)-3-hydroxy-11-oxoolean-12-en-30-oic acid. Its classification code is Anti-Inflammatory Agents. It can be used as edible flavoring and sauces. It should be sealed and stored in a cool, ventilated and dry place. Moreover, it should be protected from oxides. It is a pentacyclic triterpenoid derivative of the beta-amyrin type obtained from the hydrolysis of glycyrrhizic acid, which was obtained from the herb liquorice. It is used in flavoring and it masks the bitter taste of drugs like aloe and quinine. It is effective in the treatment of peptic ulcer and also has expectorant (antitussive) properties.

Physical properties of Enoxolone are: (1)ACD/LogP: 6.57; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.73; (4)ACD/LogD (pH 7.4): 3.93; (5)ACD/BCF (pH 5.5): 8289; (6)ACD/BCF (pH 7.4): 131.57; (7)ACD/KOC (pH 5.5): 12748.06; (8)ACD/KOC (pH 7.4): 202.35; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 52.6 Å²; (13)Index of Refraction: 1.562; (14)Molar Refractivity: 133.69 cm³; (15)Molar Volume: 411.6 cm³; (16)Polarizability: 52.99×10^-24cm³; (17)Surface Tension: 47.7 dyne/cm; (18)Density: 1.14 g/cm³; (19)Flash Point: 323.7 °C; (20)Enthalpy of Vaporization: 100.81 kJ/mol; (21)Boiling Point: 588.3 °C at 760 mmHg; (22)Vapour Pressure: 2.71E-16 mmHg at 25°C.

Preparation: this chemical can be prepared by b-glycyrrhizic acid monopotassium salt at the temperature of 100 °C. This reaction will need reagent H₂SO₄ and solvent H₂O with the reaction time of 8 hours. The yield is about 68.3%.

Uses of Enoxolone: it can be used to produce 3,11-dioxo-olean-12-en-30-oic acid at the temperature of 0 °C. It will need reagents CrO₃, H₂SO₄ and solvent acetone with the reaction time of 1 hour. The yield is about 98%.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful if swallowed and is irritating to eyes. You should not breathe dust. When using it, you must avoid contact with eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@]5(C)C[C@H]4/C3=C/C(=O)[C@H]1[C@](CC[C@@H]2[C@]1(C)CC[C@H](O)C2(C)C)(C)[C@]3(C)CC[C@@]4(C)CC5
(2)Std. InChI: InChI=1S/C30H46O4/c1-25(2)21-8-11-30(7)23(28(21,5)10-9-22(25)32)20(31)16-18-19-17-27(4,24(33)34)13-12-26(19,3)14-15-29(18,30)6/h16,19,21-23,32H,8-15,17H2,1-7H3,
(H,33,34)/t19-,21-,22-,23+,26+,27-,28-,29+,30+/m0/s1
(3)Std. InChIKey: MPDGHEJMBKOTSU-YKLVYJNSSA-N

The toxicity data is as follows: