CHOLIC ACID METHYL ESTER

CHOLIC ACID METHYL ESTER Property

Melting point:

155-156°C

Boiling point:

541.6±50.0 °C(Predicted)

Density 

1.141±0.06 g/cm3(Predicted)

storage temp. 

Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)

form 

Solid

pka

14?+-.0.70(Predicted)

color 

White to Off-White

Water Solubility 

Insoluble in water. Soluble in medium polarity organic solvents.

Merck 

14,2203

BRN 

2226989

CAS DataBase Reference

1448-36-8(CAS DataBase Reference)

Safety

Hazard Codes 

Xi

Safety Statements 

22-24/25

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

CHOLIC ACID METHYL ESTER Chemical Properties,Usage,Production

Chemical Properties

Off-White Solid

Uses

Protected Cholic Acid

Uses

Methyl cholate, is used as a bile acid derivative as anti-inflammatory and antitumor agent.

Uses

A bile acid derivative as anti-inflammatory and antitumor agent.

Definition

ChEBI: Cholic Acid Methyl Ester is a bile acid.

Synthesis

To a mixed toluene/methanol (30 ml, V/V=2:1) solution of cholic acid (2.0 g, 4.9 mmol) was added trimethylsilyl diazomethane (3.67 ml, 7.34 mmol), and the reaction was stirred for 2 h at 20 °C. The reaction was monitored by thin layer chromatography (TLC, spreader ratio of methanol/dichloromethane=1:10). The progress of the reaction was monitored by thin layer chromatography (TLC, spreading agent ratio methanol/dichloromethane=1:10) to confirm complete consumption of cholic acid and generation of new spots. Upon completion of the reaction, the reaction mixture was concentrated to afford (R)-methyl 4-((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthracen-17-yl)pentanoate (2.08 g, 100% yield) as a white foamy solid. Its hydrogen NMR spectrum (400MHz, CDCl3) data were as follows: δ 3.98(m, 1H, C12-H), 3.85(m, 1H, C7-H), 3.45(m, 1H, C3-H), 3.66(s, 3H, OCH3), 0.98(d, 3H, 21-Me), 0.89(s, 3H, 19-Me), 0.69 (s, 3H, 18-Me).

References

[1] Drug Metabolism and Disposition, 2017, vol. 45, # 7, p. 721 - 733
[2] Patent: WO2009/146218, 2009, A2. Location in patent: Page/Page column 141
[3] Tetrahedron Letters, 2010, vol. 51, # 1, p. 93 - 95
[4] Steroids, 2010, vol. 75, # 10, p. 701 - 709
[5] Tetrahedron Letters, 2011, vol. 52, # 52, p. 7128 - 7131