Methyl 3-amino-4-methylthiophene-2-carboxylate CAS 85006-31-1

Introduction：Basic information about Methyl 3-amino-4-methylthiophene-2-carboxylate CAS 85006-31-1, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Methyl 3-amino-4-methylthiophene-2-carboxylate Basic information

• Product Name: Methyl 3-amino-4-methylthiophene-2-carboxylate
• Synonyms: M3A4MT2C;METHYL 3-AMINO-4-METHYLTHIOPHENE-2-CARBOXYLATE;Methyl 3-amino-4-methyl-2-thenoate;METHYL 3-AMINO-4-METHYL-2-THIOPHENECARBOXYLATE;LABOTEST-BB LT00453517;3-AMINO-4-METHYL-2-THIOPHENECARBOXYLIC ACID METHYL ESTER;3-AMINO-4-METHYLTHIOPHENE-2-CARBOXYLIC ACID METHYL ESTER;3-AMINO-4-METHYLTHIOPHENECARBOXYLIC ACID METHYL ESTER
• CAS: 85006-31-1
• MF: C7H9NO2S
• MW: 171.22
• EINECS: 285-060-8
• Product Categories: Thiophenes & Benzothiophenes;Building Blocks;C7 to C9;Chemical Synthesis;Heterocyclic Building Blocks;Thiophenes;Esters;Thiophenes & Benzothiophenes;Thiophene&Benzothiophene;Organic acids;API intermediates;Thiophen;1;ADVANCED INT.
• Mol File: 85006-31-1.mol

Methyl 3-amino-4-methylthiophene-2-carboxylate Chemical Properties

• Melting point: 85-88 °C (lit.)
• Boiling point: 318.6±37.0 °C(Predicted)
• density: 1.264±0.06 g/cm3(Predicted)
• Fp: >100°C
• storage temp.: Keep in dark place,Sealed in dry,Room Temperature
• solubility: Chloroform (Slightly), Methanol (Slightly)
• pka: 1.71±0.10(Predicted)
• form: Solid
• color: Pale Yellow
• Water Solubility: 1g/L at 35℃
• BRN: 973196
• InChI: 1S/C7H9NO2S/c1-4-3-11-6(5(4)8)7(9)10-2/h3H,8H2,1-2H3
• InChIKey: YICRPERKKBDRSP-UHFFFAOYSA-N
• SMILES: COC(=O)c1scc(C)c1N
• LogP: 1.28
• CAS DataBase Reference: 85006-31-1(CAS DataBase Reference)
• NIST Chemistry Reference: Methyl 3-amino-4-methylthiophene-2-carboxylate(85006-31-1)

Safety Information

• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36-24/25-22
• WGK Germany: 2
• Hazard Note: Irritant
• HS Code: 29349990
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

Methyl 3-amino-4-methylthiophene-2-carboxylate Usage And Synthesis

Chemical Properties

white to light yellow crystal powder

Uses

Methyl 3-Amino-4-methylthiophene-2-carboxylate is a versatile reactant used in various syntheses. It is used in the preparation of (oxalylamino)benzoic acids and (carboxyheteroarylamino)oxalic acids as selective and orally bioavailable nonpeptide inhibitors of protein-tyrosine phosphatase 1B.

Application

methyl 3-amino-4-methylthiophene-2-carboxylate is the starting material used in the synthesis of the local anesthetic articaine.
7-Methylthieno[3,2-d]pyrimidin-4(3H)-one was prepared using methyl 3-amino-4-methylthiophene-2-carboxylate.
The reaction of 4-bromotoluene (0.171 g, 1 mmol), methyl 3-amino-4-methylthiophene-2-carboxylate(0.342 g, 2 mmol) and KOAc (0.196 g, 2 mmol) in the presence of PdCl(C3H5)(dppb) (12.2 mg, 0.02mmol) in DMAc at 120 °C affords the corresponding Methyl 3-amino-4-methyl-5-p-tolylthiophene-2-carboxylate in 81% (0.212 g) isolated yield.

Definition

ChEBI: Methyl 3-amino-4-methylthiophene-2-carboxylate is a thiophenecarboxylic acid.

Methyl 3-amino-4-methylthiophene-2-carboxylate Preparation Products And Raw materials

• Raw materials: Ethanol-->Sodium hydride-->Hydroxylamine hydrochloride-->Methyl methacrylate-->Methyl thioglycolate-->Methyl 2-Methyl-3-Oxo-Tetrahydrothiophene-2-Carbonate-->4-METHYL-3-AMINO-2-(METHOXYCARBONYL)-4,5-DIHYDROTHIOPHENE
• Preparation Products: Thieno[3,2-d]pyrimidine-7-carboxylic acid, 4-chloro--->METHYL 3-CHLORO-4-METHYLTHIOPHENE-2-CARBOXYLATE-->Methyl 3-dimethylamino-4-methylthiophene-2-carboxylate, 97%-->Thieno[3,2-d]pyriMidine, 2-chloro-7-Methyl-4-(4-Morpholinyl)--->7-(BROMOMETHYL)-2-CHLOROTHIENO[3,2-D]PYRIMIDINE-->7-Methylthieno[3,2-d]pyrimidine-2,4-diol-->tert-butyl 4-methylthiophen-3-ylcarbamate-->5-Chlorothieno[3,2-b]pyridine-3-carboxylic acid