5-Bromovanillin

Base Information

• Chemical Name: 5-Bromovanillin
• CAS No.: 2973-76-4
• Molecular Formula: C8H7BrO3
• Molecular Weight: 231.046
• Hs Code.: 29130000
• European Community (EC) Number: 221-016-6
• NSC Number: 29037,10073
• UNII: 508WVS56PW
• DSSTox Substance ID: DTXSID7022203
• Nikkaji Number: J30.765C
• Wikidata: Q21045306
• Metabolomics Workbench ID: 137049
• ChEMBL ID: CHEMBL467332
• Mol file: 2973-76-4.mol

Synonyms:3-bromo-4-hydroxy-5-methoxy-benzaldehyde;Vanillin, 5-bromo-;Benzaldehyde, 3-bromo-4-hydroxy-5-methoxy-;5-Bromo vanillin;5-Bromovanillin 97%;5-Bromo-4-hydroxy-3-methoxybenzaldehyde;3-bromo-4-hydroxy-5-methoxybenzaldehyde;

Chemical Property of 5-Bromovanillin

Chemical Property:

• Appearance/Colour: light brown crystalline powder
• Vapor Pressure: 1.47E-05mmHg at 25°C
• Melting Point: 164-166 °C(lit.)
• Refractive Index: 1.62
• Boiling Point: 289.5 °C at 760 mmHg
• PKA: 6.26±0.23(Predicted)
• Flash Point: 128.9 °C
• PSA: 46.53000
• Density: 1.653 g/cm³
• LogP: 1.97580
• Storage Temp.: Keep in dark place,Inert atmosphere,Room temperature
• Sensitive.: Air & Light Sensitive
• Solubility.: DMSO (Slightly), Methanol (Slightly)
• XLogP3: 1.7
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 229.95786
• Heavy Atom Count: 12
• Complexity: 162

Purity/Quality:

99% ^*data from raw suppliers

5-Bromovanillin ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-37/39-36/37/39-22-24/25-20/21

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: COC1=C(C(=CC(=C1)C=O)Br)O
• Uses: 5-Bromovanillin was used to enrich the metabolically stable anaerobic cultures to study dechlorination of chlorocatechols. It was also used to prepare 2, 5-dihydroxy-4-methoxy-6-bromobenzaldehyde and 5-bromovanillate.

Technology Process of 5-Bromovanillin

There total 29 articles about 5-Bromovanillin which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 99.5%

vanillin (121-33-5,8014-42-4) → 3-bromo-4,5-dihydroxybenzaldehyde (16414-34-9) + 2,3-dibromo-4,5-dihydroxybenzylaldehyde (14045-41-1) + 2-Methoxy-4,5,6-tribromophenol (38926-85-1) + 5-bromo-4-hydroxy-3-methoxybenzaldehyde (2973-76-4)

Guidance literature:

With sulfuric acid; dihydrogen peroxide; bromine; In dichloromethane; at 45 ℃; for 2h; Further byproducts given;

DOI:10.1007/BF01151189

Reference yield: 94.0%

C8H7BF3O3(1-)*K(1+) → 5-bromo-4-hydroxy-3-methoxybenzaldehyde (2973-76-4)

Guidance literature:

With tetra-N-butylammonium tribromide; In tetrahydrofuran; water; at 20 ℃; for 0.666667h; chemoselective reaction;

DOI:10.1016/j.tet.2012.03.016

Reference yield: 86.2%

di-isopropyl ether (108-20-3) + vanillin (121-33-5,8014-42-4) → 5-bromo-4-hydroxy-3-methoxybenzaldehyde (2973-76-4)

Guidance literature:

upstream raw materials:

N-Bromosuccinimide

chloroform

vanillin

1-methyl-4-nitrosobenzene

Downstream raw materials:

1-(3-bromo-4-hydroxy-5-methoxy-phenyl)-propan-1-ol

5-Brom-4-hydroxy-3-methoxy-β-nitrostyrol

3-bromo-4-hydroxy-5-methoxy-mandelonitrile

trans-3-(5-bromo-4-hydroxy-3-methoxyphenyl)-2-propenoic acid

Refernces

Synthesis and bactericidal activity of 6-H(nitro)-9- arylidenedeoxyvasicinones and their perchlorates

10.1007/s10600-008-9105-0

The research focuses on the synthesis and bactericidal activity of 6-H(nitro)-9-arylidenedeoxyvasicinones and their perchlorates. Deoxyvasicinone and 6-nitrodeoxyvasicinone were reacted with various aromatic aldehydes, including 3,4-dimethoxybenzaldehyde, isovanillin, 2-bromoisovanillin, 5-bromovanillin, and furfurol, in glacial acetic acid to produce a series of target compounds (2a-e and 3a-i). These compounds were characterized by IR, PMR, and mass spectra. The study also involved the preparation of perchlorates (4a-i) by heating the synthesized compounds in acetic acid in the presence of concentrated HClO4. The synthesized compounds were tested for their bactericidal properties against various gram-positive and gram-negative bacterial strains, showing moderate to low activity.

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