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Methyl 6-methylnicotinate

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Methyl 6-methylnicotinate Basic information
Uses
Product Name:Methyl 6-methylnicotinate
Synonyms:LABOTEST-BB LT00847843;METHYL 6-METHYLPYRIDINE-3-CARBOXYLATE;METHYL 6-METHYLNICOTINATE;6-METHYL PYRIDINE-3-CARBOXYLIC ACID METHYL ESTER;6-METHYLNICOTINIC ACID METHYL ESTER;5-CARBOMETHOXY-2-PICOLINE;3-PYRIDINECARBOXYLIC ACID, 6-METHYL-, METHYL ESTER;Methyl-6-methylnictinate
CAS:5470-70-2
MF:C8H9NO2
MW:151.16
EINECS:1308068-626-2
Product Categories:Aromatics;Esters;Pyridines;Organic acids;Nicotine Derivatives;Pyridine;CARBOXYLICESTER;Acids and Derivatives;Heterocycles;bc0001
Mol File:5470-70-2.mol
Methyl 6-methylnicotinate Structure
Methyl 6-methylnicotinate Chemical Properties
Melting point 34-37 °C (lit.)
Boiling point 160 °C/106 mmHg (lit.)
density 1.2023 (rough estimate)
refractive index 1.5810 (estimate)
Fp 218 °F
storage temp. Inert atmosphere,Room Temperature
solubility Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
pka3.92±0.10(Predicted)
form Liquid
color Clear colorless to slightly yellow
BRN 122940
InChIInChI=1S/C8H9NO2/c1-6-3-4-7(5-9-6)8(10)11-2/h3-5H,1-2H3
InChIKeyVYPPZXZHYDSBSJ-UHFFFAOYSA-N
SMILESC1=NC(C)=CC=C1C(OC)=O
CAS DataBase Reference5470-70-2(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26
WGK Germany 3
Hazard Note Irritant
HS Code 29333990
Storage Class11 - Combustible Solids
Hazard ClassificationsEye Irrit. 2
Skin Irrit. 2
STOT SE 3
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
Methyl 6-methylnicotinate Usage And Synthesis
UsesIt is used in the treatment of CNS disorders using D-amino acid oxidase and D-aspartate oxidase inhibitors.
Chemical PropertiesBrown Solid
UsesMethyl 6-methylnicotinate is used in the treatment of CNS disorders using D-amino acid oxidase and D-aspartate oxidase inhibitors.
UsesMethyl 6-methylpyridine-3-carboxylate may be used in chemical synthesis studies.
Synthesis Reference(s)Journal of the American Chemical Society, 97, p. 4409, 1975 DOI: 10.1021/ja00848a053
Synthesis
Methanol

67-56-1

6-Methylnicotinic acid

3222-47-7

Methyl 6-methylnicotinate

5470-70-2

To a stirred solution of 6-methylpyridine-3-carboxylic acid (40 g; 290 mmol; 1 equiv.) in methanol (0.75 L) was slowly added concentrated sulfuric acid (40 mL), and the reaction mixture was heated to reflux and held for 17 hours. Upon completion of the reaction, the mixture was concentrated to dryness under reduced pressure. Subsequently, the pH of the residue was adjusted to 7 with ice-cold saturated aqueous NaHCO3 and solid NaHCO3. The aqueous layer was extracted with ethyl acetate (3 x 500 mL), the organic layers were combined, washed with saturated brine, dried with anhydrous sodium sulfate, and the solvent was removed by filtration and under reduced pressure to give methyl 6-methylnicotinate (33 g, 75% yield) as an off-white solid. The product was confirmed by 1H NMR (CDCl3): δ 9.06 (s, 1H), 8.13 (dd, 1H, J = 2,8Hz), 7.20 (d, 1H, J = 8Hz), 3.89 (s, 3H), 2.58 (s, 3H).LCMS analysis showed: m/z = 152.4 [M + H]+, retention time RT = 2.36 min (using program P1, column W).

References[1] Patent: WO2015/95128, 2015, A1. Location in patent: Paragraph 0152; 0153; 0154
[2] Journal of Organic Chemistry, 1981, vol. 46, # 15, p. 3040 - 3048
[3] Journal of Medicinal Chemistry, 2002, vol. 45, # 23, p. 5005 - 5022
[4] Patent: WO2010/48010, 2010, A1. Location in patent: Page/Page column 35-36
[5] Patent: WO2013/128421, 2013, A1. Location in patent: Page/Page column 80
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