Methyl 4-bromo-3-methylbenzoate CAS 148547-19-7

Introduction：Basic information about Methyl 4-bromo-3-methylbenzoate CAS 148547-19-7, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Methyl 4-bromo-3-methylbenzoate Basic information

• Product Name: Methyl 4-bromo-3-methylbenzoate
• Synonyms: METHYL 4-BROMO-3-METHYLBENZOATE;METHYL 4-BROMO-M-TOLUATE;Methyl 4-bromo-3-met;2-Bromo-5-(methoxycarbonyl)toluene;4-Bromo-m-toluic Acid Methyl Ester4-Bromo-3-methylbenzoic Acid Methyl EsterMethyl 4-Bromo-m-toluate;2-Bromo-5-(methoxycarbonyl)toluene, Methyl 4-bromo-m-toluate;Methyl 4-Bromo-3-Methoxynicotinate;Methyl 4-broMo-3-Methylbenzoate, 97%, 97%
• CAS: 148547-19-7
• MF: C9H9BrO2
• MW: 229.07
• EINECS: 629-103-4
• Product Categories: blocks;Bromides;Carboxes;Aromatic Esters;Benzene series;Benzoic acid;Acids & Esters;Bromine Compounds;C8 to C9;Carbonyl Compounds;Esters;Pyridines;bc0001
• Mol File: 148547-19-7.mol

Methyl 4-bromo-3-methylbenzoate Chemical Properties

• Melting point: 38-44 °C (lit.)
• Boiling point: 287.4±20.0 °C(Predicted)
• density: 1.433±0.06 g/cm3(Predicted)
• Fp: >230 °F
• storage temp.: Sealed in dry,Room Temperature
• solubility: soluble in Methanol
• form: Low Melting Solid or Liquid
• color: White to yellow
• BRN: 6593534
• InChI: InChI=1S/C9H9BrO2/c1-6-5-7(9(11)12-2)3-4-8(6)10/h3-5H,1-2H3
• InChIKey: GTZTYNPAPQKIIR-UHFFFAOYSA-N
• SMILES: C(OC)(=O)C1=CC=C(Br)C(C)=C1
• CAS DataBase Reference: 148547-19-7(CAS DataBase Reference)

Safety Information

• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• Hazard Note: Irritant
• HS Code: 29163990
• Storage Class: 10 - Combustible liquids
• Hazard Classifications: Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

Methyl 4-bromo-3-methylbenzoate Usage And Synthesis

Chemical Properties

Colorless low melting solid

Uses

Methyl 4-bromo-3-methylbenzoate may be used in the preparation of:

• 4-bromo-3-vinylbenzoic acid
• 4-bromo-3-(methylphenyl)methanol
• methyl (E)-4-bromo-3-[(phenylmethoxyimino)methyl]benzoate

It may be used as a starting material in the total synthesis of (-)-martinellic acid.

General Description

Methyl 4-bromo-3-methylbenzoate, an aromatic ester, undergoes Suzuki coupling with 2-chloroboronic acid to afford the corresponding biaryl.

Synthesis

67-56-1

7697-28-1

148547-19-7

To a concentrated solution of 4-bromo-3-methylbenzoic acid (3 g, 13.19 mmol) in methanol (15 ml) was added concentrated sulfuric acid (catalytic amount). The reaction mixture was heated to reflux for 14 hours and subsequently cooled to 0°C. The reaction mixture was neutralized with saturated sodium bicarbonate solution and the precipitated solid product was collected by filtration. The crude product was purified by silica gel column chromatography to afford methyl 4-bromo-3-methylbenzoate (3.1 g, 97% yield) as a white solid.

References

[1] Patent: US2011/71150, 2011, A1. Location in patent: Page/Page column 33
[2] Angewandte Chemie - International Edition, 2008, vol. 47, # 44, p. 8482 - 8486
[3] Patent: WO2006/110173, 2006, A2. Location in patent: Page/Page column 78
[4] Chemical Communications, 2018, vol. 54, # 65, p. 9051 - 9054
[5] Patent: US2013/131016, 2013, A1. Location in patent: Paragraph 0189

Methyl 4-bromo-3-methylbenzoate Preparation Products And Raw materials

• Raw materials: 4-Bromo-3-methylbenzoic acid-->Methyl 4-amino-3-methylbenzoate-->Methanol-->Sulfuric acid-->2,4-Dimethylbromobenzene-->Iodomethane